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Department of Physics and Engineering

Publications


2 Book chapters, 63 Refereed journal papers, 18 Invited Conference papers, 155 Contributed Conference papers, 2 Full Patents.

Chapters/Papers/Articles in Books

  1. D. J. W. Brown, M. J. Withford, R. P. Mildren and J. A. Piper, "The effects of impurities on metal vapour laser performance", in Pulsed Metal Vapour Lasers-Physics and Emerging Applications in Industry, Medicine and Science; C E Little (ed), Kluwer Academic; Dordrecht, (ISBN 0-7923-4002-7), pp. 161-168, 1996.

  2. R. I. Trickett, M. J. Withford and D. J. W. Brown, Reprint: "4.7W, 255nm source based on second harmonic generation of a copper vapor laser in cesium lithium borate", in SPIE’s Milestone Series of Selected Reprints on Gas Laser Technology, Gary Eden (ed), vol. 159, (ISBN 0-8194-3519-8), pp. 454-456, 1999.

Journal Articles

  1. M. J. Withford, D. J. W. Brown and J. A. Piper, "Investigation of the effects of hydrogen and deuterium on copper vapour laser performance", Opt. Commun. (ISSN 0030-4018), vol. 110, pp. 699-707, 1994.

  2. M. J. Withford, D. J. W. Brown and J. A. Piper, "Effects of H2 buffer gas additive on repetition rate scaling of a copper vapour laser", Opt. Quantum Electron. (ISSN 0306-8919), vol. 26, pp. 1089-1100, 1994.

  3. M. J. Withford, D. J. W Brown, D. W. Coutts and J. A. Piper, "Increased efficiency of high-beam quality extraction from a copper vapor laser with H2-Ne admixtures", IEEE J. Quantum Electron. (ISSN 0018-9197), vol. 31 (5), pp. 898-902, 1995.

  4. M. J. Withford and D. W. J. Brown, "Improved ultra-violet second-harmonic generation at elevated repetition rates from a medium scale copper vapour laser", IEEE J. Selected Topics on Quantum Electron. (ISSN 1077-260X), vol 1 (3), pp. 779-783, 1995.

  5. M. J. Withford, D. J. W Brown and J. A. Piper, "Investigation of the evolution of trace impurities during the processing phase of a newly constructed copper vapour laser discharge tube", J. Phys. D: Appl. Phys. (ISSN 0022-3727), vol. 29, pp. 315-321, 1996.

  6. M. J. Withford, D. J. W. Brown and J. A. Piper, "Optimisation of H2-Ne buffer gas mixtures for copper vapour lasers", IEEE J. Quantum Electron. (ISSN 0018-9197), vol. 32 (8), pp. 1310-1315, 1996.

  7. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Investigation of the effects of bromine and hydrogenated bromide additives on copper vapour laser performance", Opt. Commun. (ISSN 0030-4018), vol. 135, pp. 164-170, 1997.

  8. R. I. Trickett, M. J. Withford and D. J. W. Brown, "4.7W, 255nm source based on second harmonic generation of a copper vapor laser in cesium lithium borate", Optics Letters (ISSN 0030-4018), vol. 23 (3), pp. 189-191, 1998.

  9. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Enhanced performance of elemental copper vapor lasers using H2-HCl-Ne buffer gas mixtures", Optics Letters (ISSN 0030-4018), vol. 23, pp. 706-708, 1998.

  10. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Kinetically enhanced copper vapour lasers employing H2-HCl-Ne buffer gas mixtures", Opt. Commun. (ISSN 0030-4018), vol. 154, pp. 160-166, 1998.

  11. R. J. Carman, M. J. Withford, D. J. W. Brown and J. A. Piper, “Influence of the pre-pulse plasma electron density on the performance of elemental copper vapour lasers”, Opt. Commun. (ISSN 0030-4018), vol. 157, pp. 99-104, 1998.

  12. M. J. Withford, D. J. W. Brown and J. A. Piper, “Repetition rate scaling of a kinetically enhanced copper vapor laser”, Optics Letters (ISSN 0030-4018), vol. 23, pp. 1538-1540, 1998.

  13. R. P. Mildren, M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, “Afterglow ground state copper density behaviour kinetically enhanced copper vapour laser“, IEEE J. Quantum Electron. (ISSN 0018-9197), vol. 34, pp. 2275-2278, 1998.

  14. C. J. Paddison, J. M. Dawes, D. J. W. Brown, M. J. Withford, R. I. Trickett and P. A. Krug, “Multiple fibre gratings fabricated using frequency doubled copper vapour lasers”, Electron. Lett. (ISSN 0013-5194), vol. 34, pp. 2407-2408, 1998.

  15. M. J. Withford and D. J. W. Brown, “A 60W, High beam quality single-oscillator copper-vapour laser”, IEEE J. Quantum Electron. (ISSN 0018-9197), vol. 35, pp. 997-1003, 1999.

  16. E. K. Illy, D. J. W. Brown, M. J. Withford and J. A. Piper, “Enhanced polymer ablation rates using high-repetition-rate ultra-violet lasers”, IEEE J. Select. Topics Quantum Electron. (ISSN 1077-260X), vol. 5, pp. 1543-1548, 1999.

  17. R. J. Carman, R. P. Mildren, M. J. Withford, D. J. W. Brown and J. A. Piper, “Modelling the plasma kinetics in a kinetically enhanced copper vapour laser utilizing HCl + H2 admixtures”, IEEE J. Quantum Electron. (ISSN 0018-9197), vol. 36, pp. 438-449, 2000.

  18. D. J. W. Brown, M. J. Withford and J. A. Piper, “High Power, High Brightness Master Oscillator Power Amplifier Copper Laser System based on Kinetically Enhanced Active Elements”, IEEE J. Quantum Electron. (ISSN 0018-9197), vol. 37, pp. 518-524, 2001.

  19. S. Saghafi, M. J. Withford and J. A. Piper, “Characterising output beams for lasers using high magnification unstable resonators”, J. Opt. Soc. Am: A. (ISSN 1084-7529), vol. 18, pp. 1634-1643, 2001.

  20. D. J. W. Brown and M. J. Withford, “High average power (15W) 255nm source based on second harmonic generation of a copper laser MOPA system in cesium lithium borate”, Optics Letters (ISSN 0030-4018), vol. 26, pp. 1885-1887, 2001.

  21. B. F. Johnston, A. J. Lee, M. J. Withford and J. A. Piper, “Laser assisted jacket removal and writing of fiber Bragg gratings using a single laser source”, Opt. Exp. (ISSN 1094-4087), vol. 10, pp. 818-823, 2002.

  22. R.P. Mildren, G. D. Marshall, M.J. Withford, D. W. Coutts and J.A. Piper and, “Input / output power scaling of a compact (0.8L) kinetically enhanced copper- vapor laser”, IEEE J. Quantum Electron. (ISSN 0018-9197), vol. 39 (6), pp. 773-777, 2003.

  23. H. Oglivy, M. J. Withford, P. Dekker and J. A. Piper, “Efficient diode doubled-end pumped Nd:YVO4 laser operating at 1342nm”, Opt. Exp. (ISSN 1094-4087), vol. 11, pp. 2411-2415, 2003.

  24. M. J. Withford, D. J. W. Brown, R. P. Mildren, R. J. Carman, G. D. Marshall and J. A. Piper, “Recent advances in copper laser technology: kinetic enhancement”, Prog. Quantum. Electron. (ISSN 0079-6727), vol. 28, pp. 165-196, 2004.

  25. H. Ogilvy, M. J. Withford, P. Dekker and J. A. Piper, “High repetition rate, q-switched and intracavity frequency doubled Nd:YVO4 laser at 671nm”, Opt. Exp. (ISSN 1094-4087), vol. 12 (15), pp. 3543-3547, 2004.

  26. J. M. Fishburn, M. J. Withford, D. W. Coutts and J. A. Piper, “A method for determination of the volume of material ejected as molten droplets during visible nanosecond ablation”, Appl. Opt. (ISSN 0003-6935), vol. 43, pp. 6473-6476, 2004.

  27. A. J. Lee, M. J. Withford and J. M. Dawes, “Direct write nanosecond laser microstructuring of heat shrinkable films”, Applied Physics A (ISSN 0947-8396), vol. 80, pp. 1447-1449, 2005.

  28. B. F. Johnston and M. J. Withford, “Dynamics of domain inversion in periodically poled lithium niobate fabricated using laser based methods”, Appl. Phys. Lett. (ISSN 0003-6951), vol. 86, pp. (262901) 1-3, 2005.

  29. K. S. Johnson, H. M. Pask, M. J. Withford and D. W. Coutts,, “Efficient all-solid-state Ce:LiLuF laser source at 309nm”, Opt. Commun. (ISSN 0030-4018), vol. 252, pp. 132-137, 2005.

  30. L. Fu, G. D. Marshall, J. A. Bolger, P. Steinvurzel, E. C. Mägi, M. J. Withford and B. J. Eggleton, “Femtosecond laser writing Bragg gratings in pure silica photonic crystal fibres”, Electron. Lett. (ISSN 0013-5194), vol. 41, pp. 638-640, 2005.

  31. M. Ams, G. D. Marshall,.D. J. Spence and M. J. Withford, “Slit beam shaping method for femtosecond laser direct-write fabrication of symmetric waveguides in bulk glasses”, Opt. Exp. (ISSN 1094-4087), vol. 13, pp. 5676-5681, 2005.

  32. H Oglivy, M. J. Withford, R. P. Mildren and J. A. Piper, “Investigation of the pump wavelength influence on pulsed laser pumped Alexandrite lasers”, Appl. Phys. B (ISSN 0946-2171), vol. 81, pp. 637-644, 2005.

  33. J. M. Fishburn, M. J. Withford, D. W. Coutts and J. A. Piper, “Study of the fluence dependent interplay between laser induced material removal mechanisms in metals: vaporization, melt displacement and melt ejection”, Appl.. Surf. Sci. (ISSN 0169-4332), vol. 252, pp. 5182-5188, 2006.

  34. A. J. Lee, M. J. Withford and J. M. Dawes, “Investigation into the power-law dependence of fibre Bragg grating growth”, Opt. Commun. (ISSN 0030-4018), vol. 257 (2), pp. 261-269, 2006.

  35. H. Oglivy, M. J. Withford and J. A. Piper, “Stable, red laser pumped, multi-kiloHertz Alexandrite laser”, Opt. Commun. (ISSN 0030-4018), vol. 260, pp. 207-210, 2006.

  36. S. Saghafi, M. J. Withford and J. A. Piper, "Propagation of laser beams formed by unstable resonators with different magnifications", Can J. Phys. (ISSN: 0008-4204), vol. 84, pp. 241-252, 2006

  37. S. Saghafi, M. J. Withford and Z. Ghoranneviss, “Characterising flat-top laser beams using standard beam parameters”, Can J. Phys. (ISSN: 0008-4204), vol. 84, pp. 223-240, 2006.

  38. J. M. Fishburn, M. J. Withford, D. W. Coutts and J. A. Piper”, Study of the interplay of vaporisation, melt displacement and melt ejection mechanisms under multiple pulse irradiation”, Appl.. Surf. Sci. (ISSN 0169-4332), vol. 253, pp. 662-667, 2006.

  39. D. J. Baer, G. D. Marshall, D. W. Coutts, R. P. Mildren and M. J. Withford, “A simple method enabling pulse-on-command from high power, high frequency lasers”, Rev. Sci. Instru. (ISSN: 0034-6748), vol. 77, pp. (093103) 1-5, 2006.

  40. G. D. Marshall, M. Ams and M. J. Withford, “Direct laser written waveguide-Bragg gratings in bulk fused silica”, Opt. Lett. (ISSN 0030-4018), vol. 31, pp. 2690-2691, 2006.

  41. B. F. Johnston, P. Dekker, M. J. Withford, S. M. Saltiel and Y. S. Kivshar, “Simultaneous phase matching and internal interference of two second order parametric processes”, Opt. Exp. (ISSN 1094-4087), Vol. 14, pp. 11756-11765, 2006.

  42. M. Ams, G. D. Marshall and M. J. Withford, “Study of the influence of femtosecond laser polarisation on direct writing of waveguides”, Opt. Exp. (ISSN 1094-4087), Vol. 14, pp. 13158-13163, 2006.

  43. S. Hahne, B. F. Johnston and M. J. Withford, “Pulse-to-pulse polarization switching method for high repetition rate lasers”, Appl. Opt. (ISSN 0003-6935), Vol. 46 (6), pp. 954-958, 2007.

  44. N. Jovanovic, A. Fuerbach, G. D. Marshall, M. J. Withford, S. D. Jackson, “Stable high-power CW Yb3+-doped silica fiber laser utilizing point-by-point inscribed fiber Bragg grating” Opt. Lett. (ISSN 0030-4018), Vol. 32 (11), pp. 1486-1488, 2007.

  45. D. Yeom, J. A. Bolger, G. D. Marshall, D. R. Austin, B. T. Kuhlmey, M. J. Withford, C. M. de Sterke and B. J. Eggleton, “Tunable spectral enhancement of fiber supercontinuum”, Opt. Lett. (ISSN 0030-4018), Vol. 32 (12), pp. 1644-1646, 2007.

  46. G. D. Marshall, D. J. Kan, A. A. Asatryan, L. C. Botten and M. J. Withford, “Transverse coupling to the core of a photonic crystal fiber: the photo-inscription of gratings”, Opt. Exp. (ISSN 1094-4087), Vol. 15 (12), pp. 7876-7887, 2007.

  47. A. Fuerbach, M. Lenner and M. J. Withford, “Photonic band gap fibre compressed Chirped-pulse oscillator”, New J. Phys. (ISSN 1367-2630), Vol. 9, pp. 248, 2007.

  48. N. Jovanovic, A. Fuerbach, G. D. Marshall, M. Aslund, S. D. Jackson and M. J. Withford, “Narrow Linewidth, 100 W CW Yb3+-Doped Silica Fiber Laser with a Point-by-Point Bragg Grating Inscribed Directly into the Active Core”, Opt. Lett. (ISSN 0030-4018), Vol. 32(19), pp. 2804-2806, 2007.

  49. B. F. Johnston, P. Dekker, S. M. Saltiel, Y. S. Kivshar and M. J. Withford, “Energy exchange between two orthogonally polarized waves by cascading of two quasi-phase-matched quadratic processes”, Opt. Exp. (ISSN 1094-4087), Vol. 15 (21), pp. 13630-13639, 2007.

  50. A. J. Lee, A. Rahmani, J. M. Dawes, G. D. Marshall and M. J. Withford, “Point by point inscription of narrow band gratings in polymer ridge waveguides”, Appl. Phys. A (ISSN 0947-8396), Vol. 90(2), pp. 273-276, 2008.

  51. A. J. Lee, J. M Dawes and M. J. Withford, “Investigation of femtosecond laser induced thermal ablation of polyethylene”, J. Laser Appl. (ISSN 1042-346X), Vol. 20, pp. 154-159, 2008.

  52. N. Jovanovic, G. D. Marshall, A. Fuerbach, G. E. Town, S. Bennetts, D. G. :Lancaster and M. J. Withford, “Highly-narrow linewidth, cw, all-fibre oscillator with a switchable linear polarisation”, Photon. Technol. Lett., Vol. 20, pp. 809-811, 2008.

  53. G. D. Marshall, P. Dekker, M. Ams, J. A. Piper, M. J. Withford, “A Directly-Written Monolithic Waveguide-Laser Incorporating a DFB Waveguide-Bragg Grating”, Opt. Lett., Vol. 33(9), pp. 956-958, 2008.

  54. M. L Aslund, S. D Jackson, N. Jovanovic and M. J Withford, “Efficient double-clad Yb3+-doped silica fibre laser pumped by an unfocused diode laser”, Opt. Commun., Vol. 281(15), pp. 4092-4094, 2008.

  55. M. L. Åslund, N. Jovanovic, N. Groothoff, J. Canning, G. D. Marshall, S. D. Jackson, A. Fuerbach and M. J. Withford, “Optical loss mechanisms in femtosecond laser-written point-by-point fibre Bragg gratings”, Opt. Exp. (ISSN 1094-4087), Vol. 16 (18), pp. 14248-14254, 2008.

  56. M. Ams, G. D. Marshall, P. Dekker, M. Dubov, V. K. Mezentsev, I. Bennion and M. J. Withford, "Investigation of ultrafast laser-photonic material interactions: challenges for directly written glass photonics", Invited Paper IEEE J. Select. Topics Quantum Electron. (ISSN 1077-260X), Vol. 14 (5), pp. 1370-1381, 2008.

  57. D. J. Little, M. Ams, P. Dekker, G. D. Marshall, J. M. Dawes and M. J. Withford, “Femtosecond laser modification of fused silica: the effect of writing polarization on Si-O ring structure”, Opt. Exp. (ISSN 1094-4087), Vol. 16 (24), pp. 20029-20037, 2008.

  58. M. Ams, P. Dekker, G. D. Marshall and M. J. Withford, “A 100 mW monolithic Yb waveguide laser fabricated using the femtosecond laser direct-write technique”, Opt. Lett., Vol. 34 (3), pp. 247-249, 2009.

  59. N. Groothoff, N. Jovanovic, G. D. Marshall, J. Canning and M. J. Withford, “Femtosecond Laser Writing of Fibre Bragg Gratings in Large Diameter Air-clad Optical Fibre”, Glass Technology: The European Journal of Glass Science & Technology Part A, Vol. 50 (1) , pp. 75-78, 2009.

  60. Y. Li, B. F. Johnston, M. J. Withford and K. P. Esselle, “Design, fabrication, simulation, and measurement of a dual-band, planar, compact artificial magnetic conductor”, Microwave and Optical Technol. Lett. (ISSN 1098-2760), Vol. 51 (6), pp. 1524-1527, 2009.

  61. N. Jovanovic, J. Thomas, R. J. Williams, M. J. Steel, G. D. Marshall, A. Fuerbach, S. Nolte, A. Tünnermann and M. J. Withford, “Polarization-dependent effects in point-by-point fiber Bragg gratings enable simple, linearly polarized fiber lasers”, Opt. Exp., Vol. 17 (8), pp. 6082-6095, 2009.

  62. M. A. Sobhan, M. Ams, M. J. Withford and E. M. Goldys, “Formation of colloidal gold nanoparticles using femtosecond laser ablation”, Int. Journal of Nanoscience, Vol. 8 (1-2), pp. 209-212, 2009.

  63. M. Ams, G. D. Marshall, P. Dekker, J. A. Piper and M. J. Withford, "Ultrafast laser written active devices", Laser & Photonics Reviews, accepted Oct 2008, 2009.

Invited Conference Papers

  1. M. J. Withford, D. J. W. Brown, R. J. Carman, R. P. Mildren and J. A. Piper, “Development of hundred-watt, high repetition rate small scale copper vapour lasers”, paper 271, ACOLS ‘98, Christchurch, New Zealand, 1998.

  2. M. J. Withford, D. J. W. Brown, R. J. Carman, R. P. Mildren and J. A. Piper, "Kinetic enhancement of copper vapour lasers for high power, high beam quality output", Conference on Lasers and Electro-optics/Europe (ECLEO) '98 (ISBN 0-7803-4233-X), Glasgow, Scotland, paper CThM1, 1998.

  3. D. J. W. Brown, M. J. Withford, R. P. Mildren, R. J. Carman, E. K. Illy, J. M. Fishburn and J. A. Piper, “Recent advances in copper vapour laser technology and applications”, keynote address, paper LA68, AOS’ 99, University of Sydney, Australia, 1999.

  4. M. J. Withford, D. J. W. Brown, D. W. Coutts and J. A. Piper, “Recent developments in UV copper lasers for optical fibre processing”, 6th Optoelectronics and Communications Conference (OECC/IOOC ’01) (ISBN 0-646-41752-5), Sydney, Australia, 2001.

  5. S. Saghafi, M. J. Withford and J. A. Piper, "Characterising flat-top beams produced in lasers employing unstable resonator", Progress In Electromagnetics Research Symposium (PIERS)’02 (ISBN 0-9679674-2-2), (July 1-5), Cambridge, Massachusetts, USA, 2002.

  6. M. J. Withford, A. J. Lee, B. F. Johnston, M. Ams, J.M. Dawes and J. A. Piper, “Fabrication of photonic devices using novel laser assisted methods”, Proc. of SPIE: Conference on Microelectronics, MEMS and Nanotechnology, Perth, Australia 2003 (ISBN 0-8194-5170-3), vol. 5277, pp. 174-185, 2004.

  7. R.P. Mildren, M.J. Withford, G.D. Marshall, D.W. Coutts and J.A. Piper, “New power scaling laws for copper vapour lasers and recent advances”, XV Int. Symp. on Gas, Chemical Laser and High Power Lasers Conference (GCL-HPL 2004) (ISSN: 80726279X), Prague Czech Republic, 30 Aug - 3 Sept, 2004.

  8. G. D. Marshall, M. Ams, D. Little, N. Jovanovic, A. Fuerbach, P. Dekker, A. Rahmani, J. M. Dawes, J. A. Piper and M. J. Withford, “Direct writing of planar lightwave devices using ultrafast lasers”, TuC3-3 in Technical Digest of COIN_ACOFT 2007 International Conference, Melbourne, Australia, 2007.

  9. G. Marshall, N. Jovanovic, D. Kan, A. Fuerbach, A. Asatryan, L. Botten, M. Withford, “Ultrafast laser direct-writing of Bragg –glass photonic devices”, in Technical Digest of Asia Optical Fiber Communication and Optoelectronic Exposition and Conference (AOE), Optical Society of America and IEEE Lasers and Electro-optics Society, Shanghai, China, 2007.

  10. G. D. Marshall, M. Ams, N. Jovanovic, P. Dekker, A. Fuerbach, J. A Piper and M. J. Withford, “Ultrafast laser direct writing of resonant photonic devices”, in SPIE Photonics West Technical Abstract Summaries, Laser Applications in Microelectronic and Optoelectronic Manufacturing XII, 6879A-19, 2008.

  11. G. D. Marshall, M. Ams, R. J. Williams, P. Dekker, M. J. Withford, “A new approach to fabricating glass photonics”, Congress of the International Commission for Optics, Sydney, Australia, 2008.

  12. M. Ams, D. Little, R. Williams, P. Dekker, G. Marshall, J. Dawes, M. Withford, “Overview of laser microfabrication techniques for photonic devices”, Optoelectronics and Communications Conference and ACOFT, Sydney, Australia, 2008.

  13. J. R. Rabeau, Y.-H. Zhai, L. Stewart, M. J. Steel, J. M. Dawes, M. J. Withford, “Nanodiamond single colour centres in an opal photonic crystal”, Paper Su21D(2)3 in the XII International Conference on Quantum Optics and Quantum Information (ICQO'2008), Vilnius, Lithuania, 2008.

  14. A. Politi, J. C. F. Matthews, A. Laing, A. S. Clark, J. Fulconis, G. D. Marshall, P. Dekker, M. Ams, M. J. Withford, W. J. Wadsworth, T. Rudolph, M. J. Cryan, J. G. Rarity, A. Stefanov, S. Yu and J. L. O'Brien, "Quantum information science with photons on a chip," Paper 258 in the 18th National Congress of the Australian Institute of Physics (AIP), Adelaide, Australia, 2008.

  15. J. C. F. Matthews, A. Politi, A. Laing, A. S. Clark, J. Fulconis, G. D. Marshall, P. Dekker, M. Ams, M. J. Withford, W. J. Wadsworth, T. Rudolph, M. J. Cryan, J. G. Rarity, A. Stefanov, S. Yu, and J. L. O'Brien, "Fabricating and identifying photonic quantum devices," Paper Su21A(Z)a in the XII International Conference on Quantum Optics and Quantum Information (ICQO'2008), Vilnius, Lithuania, 2008.

Contributed International Conference Proceedings (full length papers)

  1. A. C. J. Glover, E. K. Illy, M. J. Withford and J. A. Piper, "Ablation threshold and etch rate measurements in high-speed ultra-violet micromachining of polymers with uv-copper vapour lasers," Proc. Laser Institute of America: Laser Materials Processing (ISBN 0-912035-53-6), vol. 80, pp. 361-370, 1995.

  2. E. K. Illy, A. C. J. Glover, M. J. Withford and J. A. Piper, "High speed micro-machining with uv-copper vapour lasers", Proc. SPIE Lasers as tools for manufacturing of durable goods and microelectronics (ISBN 0-8194-2077-8), vol. 2703, pp. 432-441, 1996.

  3. E. K. Illy, M. J. Withford, D. J. W. Brown and J. A. Piper, “Effects of high pulse repetition frequency on the ablation of polymers”, Proc. Laser Institute of America: Laser Materials Processing, vol. 81E, pp. 92-98, 1996.

  4. R. J. Carman, M. J. Withford, D. J. W. Brown and J. A. Piper, "Performance enhancement of elemental copper vapour laser performance by bromine and hydrogenated bromide additives", Proc. SPIE High Power Gas and Chemical Lasers (ISBN 0-8194-2507-9), vol. 3092, pp. 68-71, 1997.

  5. E. K. Illy, M. J. Withford, D. J. W. Brown and J. A. Piper "Direct write microcutting and micropatterning of polymers using high prf UV copper lasers", Proc. Of Laser Institute of America: Laser Materials Processing (ISBN 0-912035-58-7), vol. 85E, pp. 81-88, 1998.

  6. E. K. Illy, D. J. W. Brown, M. J. Withford and J. A. Piper, “Optimisation of trepanning strategies for micromachining of polymers with high pulse rate UV lasers”, Proc. of SPIE: High Power Lasers in Manufacturing (ISBN 0-8194-3486-8), X. Chen et al (eds), vol. 3888, pp. 608-616, 2000.

  7. J. M. Fishburn, R. P. Mildren, D. Kapitan, M. J. Withford, D. J. W. Brown and J. A. Piper, “Exploring the explosive ablation regime of metals in nanosecond micromachining”, Proc. of SPIE: High Power Laser Ablation II (ISBN 0-8194-3483-3), C. R. Phipps et al (eds), vol. 3885, pp. 453-460, 2000.

  8. D. J. W. Brown, M. J. Withford, R. J. Carman, R. P. Mildren and J. A. Piper, “High-average-power, high-beam-quality vis-uv sources based on kinetically enhanced copper vapour lasers”, Proc. of SPIE: Advanced High Power Lasers (ISBN 0-8194-3487-6), M. Osinski et al (eds), vol. 3889, pp. 261-272, 2000.

  9. D. W. Coutts, M. J. Withford, J. A. Piper, G. Rutterford, A. I. Bell and M. Knowles “Generation of flat-top focused beams for percussion drilling of ceramic and metal”, Proc. Laser Institute of America: Laser Microfabrication Conference (incorporated into ICALEO 2002), Scottsdale, Arizona, USA, Oct., vol. 2, pp. 1073-82, 2002.

  10. S. Saghafi, M. Withford and J. A. Piper, "Beam propagation analysis in unstable laser resonators (ULR); low to high magnification”, Proc. Of SPIE, Vol. 4829, p. 8-9, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; Giancarlo C. Righini, Anna Consortini; Eds. 2003.

  11. A. J. Lee, M. J. Withford and J. M. Dawes, “Photonic crystal based circuitry fabricated using laser-assisted processes”, in Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) ‘04 (ISBN 0-912035-76-5), Melbourne, Australia, section MNUFC-I, pp. 7-10, 2004.

  12. M. Ams, M. J. Withford, J. M. Dawes and J. A. Piper “Characterisation of waveguides written in bulk materials with femtosecond laser pulses”, in Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) ’04 (ISBN 0-912035-76-5), Melbourne, Australia, section MNUFC-V, 2004.

  13. B. Johnston and M. Withford, “Laser based direct write techniques for electrode patterning of quasi-phase-matching media”, in Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) ’04 (ISBN 0-912035-76-5), Melbourne, Australia, section MNUFC-V, pp. 26-29, 2004.

  14. B. Kwok, M. J. Withford and J. M. Dawes, “Fabrication of tilted fibre gratings for medical applications” in Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, section MNUFC-V, pp. 7-11, 2004.

  15. M. Ams, M. J. Withford, J. M. Dawes and J. A. Piper, “Active waveguides written in rare earth doped materials with femtosecond laser pulses” in Proceedings of the 23rd International Congress on Applications of Lasers and Electro-optics ‘04, San Francisco, USA, 2004.

  16. A. J. Lee, M. J. Withford and J. M. Dawes, “Laser based fabrication of micro and nano-structures using sacrificial layers” in Proceedings of the 23rd International Congress on Applications of Lasers and Electro-optics ‘04, San Francisco, USA, 2004.

  17. H. Ogilvy, M. J. Withford, J. A. Piper, “Pulsed Laser Pump Wavelength Influence on the Efficiency and Stability of the Alexandrite Laser”, paper MB50 in Proceedings of ASSP ’05, Vienna, Austria, 2005.

  18. H. Ogilvy, M. J. Withford, J. A. Piper, “Intracavity Second and Third Harmonic Generation at 671 and 447nm from a Q-Switched Nd:GVO4 Laser”, paper TuB26 in Proceedings of ASSP ’05, Vienna, Austria, 2005.

  19. D. Little, G. D. Marshall, M. Ams and M. J. Withford, “Near field scanning optical microscopy of femtosecond laser written waveguides”, paper WB13, Advanced Solid State Photonics (ASSP’05), Vienna, Austria, 2005.

  20. G. D. Marshall, M. Ams and J. A. Withford, “Point by point femtosecond laser inscription of fibre and waveguide Bragg gratings for photonic device fabrication” Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  21. B. F. Johnston and M. J. Withford, “Topographical electrodes for poling lithium niobate”, Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  22. D. J. Little, G. D. Marshall and M. J. Withford, “Fabrication of periodic, resonant features in optical fibres using a CO2 laser micro-tapering system”, Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  23. A. J. Lee, M. J. Withford , J. M. Dawes and G. D. Marshall, “Fabrication of C-Band resonant structures in rib waveguides”, Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  24. J. M. Fishburn, M. J. Withford, D. W. Coutts and J. A. Piper, “Study of the interplay of vaporisation, melt displacement and melt ejection mechanisms under single and multiple pulse irradiation”, Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  25. J. M. Dawes, G. D. Marshall and M. J. Withford, “Tilted fibre gratings for sideways light delivery”, Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  26. M. Ams, G. D. Marshall, J. A. Piper and M. J. Withford, “Active devices fabricated in bulk glass via femtosecond laser pules”, Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  27. G. D. Marshall, M. Ams, M. J. Withford, “Femtosecond inscription of wavelength specific features in optical waveguide structures”, Proceedings of SPIE. Vol. 6183 Photonics Europe ‘06, Giancarlo C. Righini Ed., paper 61830Q, 2006.

  28. S. Saghafi, M. Withford, M. Farhadi, R. Ghaderi, A. Granmayeh, Z. Ghoranneviss and F. Moravej, “Effects of laser beam shapes on depths of penetration in dermatology”, Proceedings of SPIE. Vol. 6191 Biophotonics and New Therapy Frontiers, Editors R. Grzymala and O. Haeberle, paper 6191-07, 2006.

  29. B. F. Johnston, S. Saltiel, P. Dekker, M. J. Withford and Y. Kivshar, "Simultaneous SHG of orthogonally polarized fundamentals in single QPM crystals" Proceedings of SPIE: Vol. 6455, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VI, San Jose, USA, paper 6455-26, 2007.

  30. D. Kan, G. D. Marshall. A. A. Asatryan and L. C. Botten and M. J. Withford, ”Transverse coupling of light into the core of a photonic crystal fiber”; paper P4 in Technical Digest of COIN_ACOFT 2007 International Conference, Melbourne, Australia, 2007.

  31. N. Groothoff, J. Canning, N. Jovanovic, G. D. Marshall and M. J. Withford, “Bragg Gratings in Large Diameter Air-Clad Optical Fibre Using a Femtosecond Laser”, paper MoB2-3 in Technical Digest of COIN_ACOFT 2007 International Conference, Melbourne, Australia, 2007.

  32. J. Bolger, D-I. Yeom, G. D. Marshall, D. Austin, B. Kuhlmey, M. J. Withford, M. De Sterke and B. J. Eggleton, “Tunable spectral enhancement of supercontinuum with long period gratings”, paper P16 in Technical Digest of COIN_ACOFT 2007 International Conference, Melbourne, Australia, 2007.

  33. N. Jovanovic, G D. Marshall, A. Fuerbach, G. E. Town, M. J. Withford, S. Bennetts and D. G. Lancaster, “Compact, all-fibre, linearly polarised, single-mode Ytterbium doped fibre laser utilizing point-by-point inscribed intra-core fibre Bragg gratings”, in Proceedings of SPIE: Vol. 6801, Conference on Microelectronics, MEMS and Nanotechnology, Canberra, Australia 2007.

  34. B. F. Johnston, P. Dekker, M. J. Withford, S. M. Saltiel and Y. S. Kivshar, “Energy exchange between two orthogonally polarized waves by cascading of two quasi-phase matched quadratic processes”, in Proceedings of SPIE: Vol. 6455, Conference on Microelectronics, MEMS and Nanotechnology, Canberra, Australia 2007.

  35. L. Stewart, M. J. Withford, J. Dawes, G. D. Marshall and A. Rahmani, “Self-assembly around curved surfaces”, in Proceedings of SPIE: Vol. 6801, Conference on Microelectronics, MEMS and Nanotechnology, Canberra, Australia 2007.

  36. D. Little, P. Dekker, A. Rahmani, J. Dawes, G. Marshall and M. Withford, “Characterisation of fs-laser written refractive index changes using Near-field Scanning Optical Microscopy”, in Proceedings of SPIE: Vol. 6801, Conference on Microelectronics, MEMS and Nanotechnology, Canberra, Australia 2007.

  37. M. L. Åslund, N. Jovanovic, N. Groothoff, J. Canning, G. D. Marshall , S. D. Jackson, A. Fuerbach and M. J. Withford, “Photodarkening study of gratings written into rare-earth doped optical fibres using a femtosecond laser”, in Proceedings of SPIE: Vol. 6800, Conference on Microelectronics, MEMS and Nanotechnology, Canberra, Australia 2007.

  38. G. D. Marshall, P. Dekker, M. Ams, J. A. Piper, M. J. Withford, “Monolithic Waveguide-Lasers Created in Bulk Glass Using the Direct Write Technique”, Advanced Solid State Photonics (ASSP’08) paper MD5, Nara, Japan, 2008.

  39. N. Jovanovic, R. Williams, G. D. Marshall, A. Fuerbach, M. J. Withford, “Polarised High Power Fibre Lasers by Combining Low Birefringence Fibres and Point-by-point Bragg Gratings”, Optoelectronics and Communications Conference and ACOFT paper ThC-6, Sydney, Australia, 2008.

  40. M. L. Åslund, N. Jovanovic, N. Groothoff, J. Canning, G. D. Marshall , S. D. Jackson, A. Fuerbach and M. J. Withford, “Large diffractive scattering losses in the visible region produced by femtosecond laser written Bragg gratings”, Optoelectronics and Communications Conference and ACOFT paper TuC-3, Sydney, Australia, 2008.

  41. M. L. Åslund, N. Jovanovic, S. D. Jackson, J. Canning, G. D. Marshall, A. Fuerbach and M. J. Withford, “Photo-annealing of femtosecond laser written Bragg gratings”, Optoelectronics and Communications Conference and ACOFT paper 69, Sydney, Australia, 2008.

  42. D. Haynes, J. M. Dawes, M. J. Withford, R. Haynes, J. Bland-Hawthorn, “Focal ratio degradation: A new perspective”, Proc. Of SPIE: Vol. 7018, Conference on Astronomical Instrumentation, Marseilles, France, 2008.

  43. M. Ams, G. D. Marshall, P. Dekker and M. J. Withford, “Photonic waveguide devices directly written into dielectric materials using femtosecond laser pulses”, in Proc. of Progress in Electromagnetics Research Symposium (PIERS), Hangzhou, China, pp. 937-941, 2008.

  44. J. C. F. Matthews, A. Politi, A. S. Clark, J. Fulconis, A. Stefanov, M. J. Cryan, J. G. Rarity, T. Rudolph, S. Yu, G. D. Marshall, M. Ams, P. Dekker, M. Withford, and J. L. O'Brien, "Quantum Photonics on a chip" Paper 7092-46 in SPIE Proc. 7092 Quantum Communications and Quantum Imaging VI, San Diego, USA, 2008.

  45. M. Ams, P. Dekker, G. D. Marshall and M. J. Withford, “Ultrafast Laser Written 102 mW Monolithic Waveguide Laser in Yb-doped Phosphate Glass”, paper MD5 Advanced Solid State Photonics, Denver, USA, 2009.

  46. M. L. Åslund, N. Jovanovic, S. D. Jackson, J. Canning, G. D. Marshall, A. Fuerbach, M. J. Withford and K. Cook, “Photo-erasure of Type-II femtosecond laser written Bragg gratings employed as high reflectors in moderate power Q-switch fibre laser”, in SPIE Europe 2009: Optics + Optoelectronics, Prague, Czech Republic, 2009.

International Conference Proceedings (extended abstracts)

  1. M. J. Withford, D. J. W. Brown and J. A. Piper, “Trace impurity effects in copper vapour lasers”, Conference on Lasers and Electro-optics (CLEO) ’92 (ISBN 1-55752-237-5), Anaheim, USA, paper CThR5, 1992.

  2. M. J. Withford, D. J. W. Brown and J. A. Piper, “Hydrogen induced radial effects in the output of a copper vapour laser”, Conference on Lasers and Electro-optics (CLEO) ’93 (ISBN 1-55752-299-5), Baltimore, USA, paper CWJ3, 1993.

  3. M. J. Withford, D. J. W. Brown, D. W. Coutts and J. A. Piper, "Increased efficiency of high beam quality extraction from a copper vapour laser with H2/Ne admixtures", Conference on Lasers and Electro-optics (CLEO) '94 (ISBN 1-55752-340-1), Anaheim USA, paper CFD3, 1994.

  4. M. J. Withford, D. J. W. Brown, D. W. Coutts and J. A. Piper, "Improved repetition rate scaling of copper vapour lasers using H2 buffer gas additive", Conference on Lasers and Electro-optics (CLEO) '95 (ISBN 1-55752-399-1), Baltimore USA, paper CWF22, 1995.

  5. S. E. French, M. J. Withford and D. J. W. Brown, "Improved performance of a Cr,Nd:GSGG laser by stacking multiple pump pulses from a high repetition rate pump source", International Quantum Electronics Conference (IQEC)'96 (ISBN 1-55752-459-9), Sydney, Australia, paper WL80, 1996.

  6. R. I. Trickett, M. J. Withford and D. J. W. Brown, "Nonlinear frequency conversion of copper vapour lasers at elevated pulse repetition frequencies", International Quantum Electronics Conference (IQEC) '96 (ISBN 1-55752-459-9), Sydney, Australia, paper FE5, 1996.

  7. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Kinetic enhancement of copper vapour lasers using halogen donor gas additives", International Quantum Electronics Conference (IQEC '96) (ISBN 1-55752-459-9), Sydney, Australia, post-deadline paper ThQ8, 1996.

  8. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Boosted laser output by kinetics enhancement in copper vapour lasers," European Conference on Lasers and Electro-optics (CLEO/Europe) '96, Hamburg, Germany, paper CTuD4, 1996.

  9. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Performance enhancement of elemental copper vapour lasers by bromine and hydrogenated bromine additives", Gas Flow and Chemical Lasers / High Power Laser Conference (GCL/HPL)'96, Edinburgh, Scotland, 1996.

  10. S. E. French, M. J. Withford and D. J. W. Brown, "Characterization of `pulse stacking': A new high repetition rate pulsed pumping technique", Conference on Lasers and Electro-optics (CLEO) '97 (ISBN 1-55752-485-8), Baltimore USA, paper CThL14, 1997

  11. E. K. Illy, M. J. Withford, D. J. W. Brown and J. A. Piper, "High-speed microdrilling of polymers using high prf uv lasers", Conference on Lasers and Electro-optics (CLEO) '97 (ISBN 1-55752-485-8), Baltimore USA, paper CThL5, 1997.

  12. C. J. Paddison, J. M. Dawes, D. J. W. Brown, M. J. Withford, R. I. Trickett and P. A. Krug, "Simultaneous fabrication of multiple fiber gratings using a frequency-doubled copper vapor laser", Optical Fiber Communication Conference (OFC '98) (ISBN 1-55752-521-8), San Jose USA, paper WM1, 1998.

  13. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Optimisation of H2-HCl-Ne buffer gas mixtures for kinetically enhanced copper vapour laser", paper CThM2, Conference on Lasers and Electro-optics/Europe (ECLEO) '98 (ISBN 0-7803-4233-X), Glasgow, Scotland, 1998.

  14. R. P. Mildren, M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Afterglow ground state copper density behaviour in kinetically enhanced copper vapour lasers", paper CThM3, Conference on Lasers and Electro-optics/Europe (ECLEO) '98 (ISBN 0-7803-4233-X), Glasgow, Scotland, 1998.

  15. R. J. Carman, M. J. Withford, D. J. W. Brown, and J. A. Piper, "Computer modelling of the plasma kinetics and spatio-temporal evolution of the intra cavity, laser field intensity in a kinetically enhanced copper vapour laser", paper CThM4, Conference on Lasers and Electro-optics/Europe (ECLEO) '98 (ISBN 0-7803-4233-X), Glasgow, Scotland, 1998.

  16. E. K. Illy, M. J. Withford, D. J. W. Brown and J. A. Piper, "Direct write micromachining using a high repetition rate UV laser", paper CThA6, Conference on Lasers and Electro-optics/Europe (ECLEO) '98 (ISBN 0-7803-4233-X), Glasgow, Scotland, 1998.

  17. R. J. Carman, M. J. Withford, D. J. W. Brown and J. A. Piper, “Modelling the kinetics of a copper vapour laser with H2-HCl-Ne buffer gas mixtures”, paper NW2 2, 51st Gaseous Electronics Conference (GEC) ‘98, Maui, Hawaii, 1998.

  18. E. K. Illy, M. J. Withford, D. J. W. Brown and J. A. Piper, “Optimisation of ablation parameters for direct-write micro-machining of polymers using high-pulse-rate UV lasers”, paper CThK9, CLEO’ 99 (ISBN 1-55752-595-1), Baltimore, USA, 1999.

  19. J. M. Fishburn, D. Kapitan, M. J. Withford, D. J. W. Brown and J. A. Piper, “Effect of cumulative heating on micro-machining in the explosive ablation regime with copper vapour lasers”, paper CThC7, Conference on Lasers and Electro-optics (CLEO)’ 99 (ISBN 1-55752-595-1), Baltimore, USA, 1999.

  20. D. J. W. Brown, R. P. Mildren, Rodney I. Trickett, M. J. Withford, David R. Jones and J. A. Piper, “High power UV second harmonic generation from kinetically enhanced copper vapour lasers and copper HyBrID lasers”, paper 30, 4th Int. Conf. Atomic and Molecular Pulsed Lasers, Tomsk, Russia, 1999.

  21. D. J. W. Brown, M. J. Withford and J. A. Piper, “High-power, high brightness master oscillator/power amplifier copper laser system based on kinetically enhanced elements”, paper QFD7, IQEC’00 (ISBN 0-7803-6318-3), Nice, France, 2000.

  22. D. J. W. Brown and M. J. Withford, “A 15W, 255nm source based on SHG of copper laser oscillator-amplifier output”, postdeadline paper C-NLP252, Conference on Lasers and Electro-optics/Europe (ECLEO) ’01, Munich, Germany, 2001.

  23. J. M. Fishburn, M. J. Withford, J. A. Piper, D. W. Coutts and A. Wybrew, “High speed image analysis of melted ejecta during visible nanosecond ablation of aluminium”, in Conference on Lasers and Electro-optics (CLEO) ’03, Baltimore, USA, paper CThR5, 2003.

  24. J. M. Fishburn, M. J. Withford, J. A. Piper, D. W. Coutts and A. Wybrew, “Recoil studies in aluminium with a nanosecond copper laser”, Conference on Lasers and Electro-optics/Europe (ECLEO) ’03 (ISBN 0-7803-7734-6), Munich, Germany, paper CK1-4-Thu, 2003.

  25. R. P. Mildren, M. J. Withford and J. A. Piper, “New power scaling laws for copper vapour lasers”, Conference on Lasers and Electro-optics/Europe (ECLEO) ’03 (ISBN 0-7803-7734-6), Munich, Germany, paper CB1-1-Mon, 2003.

  26. B. F. Johnston and M. J. Withford, “Rapid prototyping of periodically poled lithium niobate”, Conference on Lasers and Electro-optics/Pacific Rim (CLEO-PacRim) ’03 (ISBN 0-7803-7766-4), Tapei, Taiwan, paper Th2H-(7)-3, 2003.

  27. A. J. Lee, M. J. Withford, D. R. Baer and J. M. Dawes, “Microstructure fabrication using heat shrinkable polymer films”, Conference on Lasers and Electro-optics/Pacific Rim (CLEO-PacRim) ’03 (ISBN 0-7803-7766-4), Tapei, Taiwan, paper F2F-(11)-6, 2003.

  28. R. P. Mildren, M. J. Withford, J. A. Piper, G. D. Marshall and D. W. Coutts, “Second-generation kinetically enhanced copper vapour lasers”, Conference on Lasers and Electro-optics/Pacific Rim (CLEO-PacRim) ’03 (ISBN 0-7803-7766-4), Tapei, Taiwan, paper TH4I-(1)-5, 2003.

  29. D. J Baer and M. J. Withford, “Novel applications for Direct-write laser micromachining”, Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America)’04, Melbourne, Australia, paper M307, 2004.

  30. S.J. Myers, J.M. Dawes, M.J. Withford, E.C. Mägi, D.P. Fussell, B.J. Eggleton, R.C. McPhedran, C.M. de Sterke, “Radiation dynamics in tapered photonic crystal fibres”, Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’05 (ISBN 0-7803-8974-3), Munich, Germany, paper CK2, 2005.

  31. M. Ams, M. J. Withford, G. D. Marshall, J. M. Dawes and J. A. Piper, “Spatially profiling femtosecond laser pulses to direct-write optical waveguides in phosphate glass”, Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’05 (ISBN 0-7803-8974-3), Munich, Germany, paper CJ3, 2005.

  32. L. Fu, G. D. Marshall, J. A. Bolger, P. E. Steinvurzel, E. C. Mägi, M. J. Withford, B. J. Eggleton, “Fibre Bragg Gratings Written in Pure Silica Photonic Crystal Fibres with Ultraviolet Femtosecond Laser Pulses”, Technical Digest of Bragg Gratings, Poling and Photosensitivity and 30th Australian Conference on Optical Fibre Technology (BGPP/ACOFT 2005), Darling Harbour, 2005.

  33. J. M. Dawes, G. D. Marshall, M. J. Withford and B. Kwok, “Tilted fibre Bragg gratings written using a subpicosecond pulsed laser” in Technical Digest of Bragg Gratings, Poling and Photosensitivity and 30th Australian Conference on Optical Fibre Technology (BGPP/ACOFT 2005), Darling Harbour, 2005.

  34. A. Lee, M. J. Withford, J. M. Dawes, “Comparative study of UV-laser ablation of PETG under nanosecond and femtosecond exposure”, in Technical Digest of Conference on Lasers and Electro-optics/Pacific Rim (CLEO-PacRim) ’03 (ISBN 0-7803-7766-4), Tokyo, Japan, paper CFE1-2, 2005.

  35. M. J. Withford, J. M. Fishburn, D. W. Coutts and J. A. Piper, “Quantitative study of laser induced material removal mechanisms in aluminium: contributions due to vaporization, melt displacement and ejection”, in Technical Digest of CLEO/Pac Rim ’03 (ISBN 0-7803-7766-4), Tokyo, Japan, paper CFE1-4, 2005.

  36. M. Ams, G. D. Marshall, J. A. Piper, M. J. Withford, “Femtosecond laser writing of symmetric, low loss waveguides in active glasses”, in Technical Digest of LEOS 2005, 18th Annual Meeting of the IEEE Lasers and Electro-optics Society, Sydney, paper WBB2, 2005.

  37. G. D. Marshall, M. J. Withford, “Rapid production of arbitrary fiber Bragg gratings using femtosecond laser radiation” in Technical Digest of LEOS 2005, 18th Annual Meeting of the IEEE Lasers and Electro-optics Society, Sydney, paper ThY5, 2005.

  38. S. Saghafi, M. Hantehzadeh, M. Ghoranneviss and M. J. Withford, “Novel laser beam shaping design using reflection principal for micromachining”, in Laser Applications in Europe ‘05, Dresden, Germany, paper 32, 2005.

  39. D. J. Baer, G. D. Marshall, D. W. Coutts, R. P. Mildren and M. J. Withford, “A simple method for dynamically addressing individual output pulses from high power, high frequency lasers”, Proceedings of the Pacific International Conference on Appl. Of Lasers and Optics (Laser Institute of America) 04 (ISBN 0-912035-76-5), Melbourne, Australia, 2006.

  40. R. M. Chaplin, G. E. Town, M. J. Withford, D. J. Baer, “Fabrication Conditions for Randomly Microstructured Polymer”, in Integrated Photonics Research and Applications (IPRA) Topical Meeting or the Nanophotonics (NANO) Topical Meeting (Optical Society of America), Connecticut, USA, paper NFC4, 2006.

  41. G. D. Marshall and M. J. Withford, “Direct written Bragg grating structures in optical waveguides” in SPIE Photonics West Technical Abstract Summaries, Laser Applications in Microelectronic and Optoelectronic Manufacturing XII, paper 6458A-22, 2007.

  42. A. Fuerbach, G.D. Marshall, N. Jovanovic, M. Ams, M.J. Withford: “Femtosecond Laser Fabrication Techniques for Nanophotonics Devices”, The 1st European Topical Meeting on Nanophotonics and Metamaterials, Seefeld, Austria, 2007.

  43. G. D. Marshall, D. Kan, A. A. Asatryan, L. C. Botten, M. J. Withford, “Side Coupling Light into the Core of Photonic Crystal Fiber”, in Conference on Lasers and Electro-optics (CLEO) ’07, Baltimore, USA, paper CWO2, 2007.

  44. D. Yeom, J. A. Bolger, G. D. Marshall, D. R. Austin, B. T. Kuhlmey, C. M. de Sterke, M. J. Withford, B. J. Eggleton; “Tunable Spectral Enhancement in Supercontinuum with a Long-Period Fiber Grating”, in Conference on Lasers and Electro-optics (CLEO) ’07, Baltimore, USA, paper CThH3, 2007.

  45. A. Fuerbach, N. Jovanovic, G. Marshall, S. Jackson and M. Withford, “High power fibre lasers based on point-by-point inscribed fibre-Bragg gratings” paper CJ6 in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’07 (ISBN 0-7803-8974-3), Munich, Germany, 2007.

  46. L. Stewart, G. D. Marshall, J. M. Dawes, A. Rahmani and M. J. Withford, “Photonic Bandgap Guiding in an Opal Clad Fibre”, paper CK15 in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’07 (ISBN 0-7803-8974-3), Munich, Germany, 2007.

  47. N. Jovanovic, M. Åslund, A. Fuerbach, S. D. Jackson, G. D. Marshall and M. J. Withford, “Narrow (100pm) Linewidth Fibre Laser Operating in Excess of 50 W”, in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’07 (ISBN 0-7803-8974-3), Munich, Germany, post-deadline paper, 2007.

  48. N. Jovanovic, M. Åslund, A. Fuerbach, S. D. Jackson, G. D. Marshall and M. J. Withford, “100 W CW Yb3+-doped silica fiber laser utilizing a active-core inscribed point-by-point Bragg grating” in Proceedings of Bragg Gratings, Poling and Photosensitivity (BGPP), Optical Society of America, Quebec City, Canada, 2007.

  49. N. Groothoff, J. Canning, N. Jovanovic, G. D. Marshall, M. J. Withford, “Gratings in Large Diameter Air-clad Optical Fibre using femtosecond laser”, in Proceedings of Bragg Gratings, Poling and Photosensitivity (BGPP), Optical Society of America, Quebec City, Canada, 2007.

  50. G. D. Marshall and M. J. Withford, "Annealing properties of Femtosecond Laser Inscribed Point-by-Point Fiber Bragg Gratings," in Proceedings of Bragg Gratings, Poling and Photosensitivity (BGPP), Optical Society of America, Quebec City, Canada, paper JWA30, 2007.

  51. G. D. Marshall, P. Dekker, M. Ams, J. A. Piper and, M. J. Withford, "Monolithic Waveguide-Laser Created Using the Direct Write Technique," in Proceedings of Bragg Gratings, Poling and Photosensitivity (BGPP), Optical Society of America, Quebec City, Canada, postdeadline paper 2007.

  52. S. Ek, L. A. Stewart, J. M. Dawes and M. J. Withford, “Artificial Opals for Photonic Crystal Devices”, Congress of the International Commission for Optics, Sydney, Australia, 2008.

  53. L. A. Stewart, Y. Zhai, J. R. Rabeau, J. M. Dawes and M. J. Withford, “Controlling Emission in Diamond Doped Opals”, Congress of the International Commission for Optics, Sydney, Australia, 2008.

  54. D. J. Little, P. Dekker, G. D. Marshall, J. M. Dawes and M. J. Withford, “Spatial Correlation of the topographical and mode features of fs-Laser Written Waveguides using NSOM”, Congress of the International Commission for Optics, Sydney, Australia, 2008.

  55. A. Fuerbach, N. Jovanovic, G. Marshall, M. Åslund, S. Jackson and M. Withford, “Novel fibre laser sources based on point-by-point femtosecond laser inscribed fibre Bragg gratings”, paper FRoB.3, Technical Digest of the 3rd EPS-QEOD Europhoton Conference on Solid-state, Fiber and Waveguided Light Sources, Paris, France, 2008.

  56. M. Ams, G. D. Marshall, P. Dekker, M. J. Withford, “A compact, monolithic, 36mW Yb-doped DFB waveguide laser fabricated using femtosecond laser direct-write techniques”, postdeadline paper in Digest of European Optical Society Annual Meeting’08, Paris, France, 2008.

  57. A. Politi, J. C. F. Matthews, A. Laing, A. S. Clark, J. Fulconis, G. D. Marshall, P. Dekker, M. Ams, M. Withford, W. J. Wadsworth, T. Rudolph, M. J. Cryan, J. G. Rarity, A. Stefanov, S. Yu, and J. L. O'Brien, "Quantum information science with photons on a chip," Quantum Optics IV, Florianopolis, Brazil, 2008.

  58. J. C. F. Matthews, A. Politi, A. Laing, A. S. Clark, J. Fulconis, G. D. Marshall, P. Dekker, M. Ams, M. J. Withford, W. J. Wadsworth, T. Rudolph, M. J. Cryan, J. G. Rarity, A. Stefanov, S. Yu, and J. L. O'Brien, "Integrated quantum photonics," Quantum-Atom Optics beyond Bells, Lorne, Victoria, 2008.

  59. G. D. Marshall, J. C. F.Matthews, A. Politi, P.Dekker, M.Ams, M. J. Withford and J. L. O’Brien, ”Quantum Optics in Laser-Written Waveguide Circuits”, in Technical Digest for Conference on Lasers and Electro-optics (CLEO) ’09, Baltimore, USA, paper IMI7, 2009.

  60. M. Ams, G. D. Marshall, P.Dekker and M. J. Withford, “Ultrafast-Laser Inscription of Active Devices in Glass”, in Technical Digest for Conference on Lasers and Electro-optics (CLEO) ’09, Baltimore, USA, paper CFT2, 2009.

  61. D. J. Little, M. Ams, P. Dekker, G. D. Marshall, J. M. Dawes and M. J. Withford, “Polarization Dependence of Photo-Ionization in Glasses and Applications to Direct-Write Photonics”, in Technical Digest for Conference on Lasers and Electro-optics (CLEO) ’09, Baltimore, USA, paper CFT4, 2009.

  62. L. A. Stewart,Y.-H. Zhai, M. J. Steel, J. M. Dawes,J. R. Rabeau and M. J. Withford, “Emission Control of NV Centers Embedded in an Opal Photonic Crystal”, in Technical Digest for Conference on Lasers and Electro-optics (CLEO) ’09, Baltimore, USA, paper JWA99, 2009.

  63. G. Marshall, P. Dekker, M. Ams and M.. Withford, “Annealing properties of waveguides and Bragg gratings fabricated in a phosphate glass host using the femtosecond laser direct write technique”, in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’09, Munich, Germany, paper CF.P.7 (520), 2009.

  64. M. Ams, P. Dekker, G. Marshall and M. Withford, “Performance studies of directly written high power monolithic ytterbium waveguide oscillators”, in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’09, Munich, Germany, paper CJ7.2 (250), 2009.

  65. A. Politi, J. C. F. Matthews, A. Laing, A. Peruzzo, P. Kalasuwan, M. Zhang, X. –Q. Zhou, G.D. Marshall, P. Dekker, M. Ams, M. Withford, M. Rodas, M. J. Cryan, J. G. Rarity, A. Stefanov, S. Yu, M. G. Thompson and J. L. O’Brien, “Integrated quantum information science with photons”, in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’09, Munich, Germany, paper ED3.5 (934), 2009.

  66. C. Miese, A. Fuerbach and M. Withford, “Dynamics of waveguide writing using a high pulse energy (600 nJ) MHz femtosecond oscillator”, in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’09, Munich, Germany, paper CM.P.12 (253), 2009.

  67. M. K. Bhuyan, F. Courvoiser, P. –A. Larcourt, M. Jacquot, L. Furfaro, M. J. Withford and J. M. Dudley, “Femtosecond micromachining of high aspect ratio structures in fused silica using Bessel beams”, in Technical Digest of Conference on Lasers and Electro-optics/Europe (ECLEO)’09, Munich, Germany, paper CM3.5 (1023), 2009.

National Conference Papers (extended abstracts)

  1. M. J. Withford, D. J. W. Brown and J. A. Piper, “Investigation of trace gas impurity effects in copper vapour lasers”, paper PW26, Australian Conference on Optics, Lasers and Spectroscopy (ACOLS) ’91, Australian National University, Canberra, 1991.

  2. M. J. Withford, D. J. W. Brown and J. A. Piper, “Hydrogen induced radial effects in the output of a copper vapour lasers”, paper F6, 8th Conference of the Australian Optical Society (AOS), University of Sydney, Sydney, 1992.

  3. M. J. Withford, D. J. W. Brown and J. A. Piper, Improved beam quality in a copper vapour laser with H2/Ne admixtures”, paper 241, ACOLS ’93, University of Melbourne, Melbourne, 1993.

  4. R. J. Carman and M. J. Withford, "Kinetics modelling of hydrogen admixtures in pulse copper-vapour lasers discharges", 9th Gaseous Electronics Meeting (GEM) '96, Flinders University, Adelaide, 1996.

  5. C. J. Paddison, J. M. Dawes, D. J. W. Brown, M. J. Withford, R. I. Trickett and P. A. Krug, "Fabrication of optical fibre bragg gratings using a frequency-doubled copper vapour laser", paper TP2, AOS '97, University of Adelaide, Adelaide, 1997.

  6. S. E. French, M. J. Withford and D. J. W. Brown, "Comparison of the ‘pulse stacking' performance of a solid state laser for three different pump pulse repetition rates", paper WP5, AOS '97, University of Adelaide, Adelaide, 1997.

  7. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Performance enhancement of elemental copper vapour lasers using halogen donor buffer gas admixtures", 10th Gaseous Electronics Meeting (GEM) '98, Sydney, 1998.

  8. R. J. Carman, M. J. Withford, D. J. W. Brown and J. A. Piper, “Performance enhancement and plasma kinetics studies in a copper vapour laser with HCl additives”, paper 51, ACOLS’ 98, Christchurch, New Zealand, 1998.

  9. E. K. Illy, D. J. W. Brown, M. J. Withford and J. A. Piper, “Laser micromachining: Common applications utilising high-pulse-rate frequency doubled copper lasers”, paper 219, ACOLS’ 98, Christchurch, New Zealand, 1998.

  10. J. Fishburn, M. J. Withford, D. J. W. Brown, E. K. Illy and J. A. Piper, “Micromachining of common and refractory metals using a CVL-MOPA chain”, paper 129, ACOLS’ 98, Christchurch, New Zealand, 1998.

  11. E. K. Illy, D. J. W. Brown, M. J. Withford and J. A. Piper, “Direct micro-drilling and trepanning in polymers by high-pulse-rate UV lasers”, paper OF67, AOS’ 99, University of Sydney, Australia, 1999.

  12. D. J. W. Brown, R. I. Trickett, R. P. Mildren, M. J. Withford, D. R. Jones and J. A. Piper, “High power UV second harmonic generation from copper lasers”, paper LA070, AOS’ 99, University of Sydney, Australia, 1999.

  13. S.E. French, M.J. Withford and D.J.W. Brown, “The buildup of the upper state population in a laser rod pumped by a high repetition rate, pulsed pump source”, paper LA118, AOS’ 99, University of Sydney, Australia, 1999.

  14. J. M. Fishburn, D. Kapitan, D. J. W. Brown, M. J. Withford and J. A. Piper, “Phase explosion during micromachining of metals with copper lasers”, paper OF69, AOS’ 99, University of Sydney, Australia, 1999.

  15. J. M. Fishburn, M. J. Withford, D. J. W. Brown and J. A. Piper, “Spot-size dependence of ablation parameters in visible nanosecond ablation of metallic substrates”, paper MT 056, 14th National Congress of the Australian Institute of Physics, Adelaide University, Australia, 2000.

  16. Thang Ha, J. Dawes, M. J. Withford, D. Guy and D. Ross, “Laser-induced lesions in heart muscle to treat atrial fibrillation”, paper MT 062, 14th National Congress of the Australian Institute of Physics, Adelaide University, Australia, 2000.

  17. D. J. W. Brown, M. J. Withford and J. A. Piper, “Second harmonic generation of high power UV”, paper TF 056, 14th National Congress of the Australian Institute of Physics, Adelaide University, Australia, 2000.

  18. J. M. Fishburn, D. W. Coutts, M. J. Withford, J. A. Piper, “Phase explosion thresholds in metals ablated under pulsed nanosecond radiation”, paper T9, ACOLs 2001, Brisbane, Australia, 2001.

  19. R. P. Mildren, G. D. Marshall, R. J. Carmen, D. W. Coutts, M. J. Withford, J. A. Piper “Copper vapour lasers: Have they reached their limits?”, paper M20, ACOLs 2001, Brisbane, Australia, 2001.

  20. M. J. Withford, D. R. J. Baer, J. A. Piper “Recent advances in laser micromachining”, paper W(f)2, ACOLs 2001, Brisbane, Australia, 2001.

  21. A. J. Lee, M. J. Withford, J. M. Dawes “Optical fibre photosensitivity and the dynamics of fibre Bragg grating growth”, paper Th(d)3, ACOLs 2001, Brisbane, Australia, 2001.

  22. S. Saghafi, M. J. Withford and J. A. Piper, "How far the modal analysis goes in laser beam characterisation", paper T60, ACOLs 2001, Brisbane, Australia, 2001.

  23. S. Saghafi, M. J. Withford and J. A. Piper, "Improving the quality of output beams produced with unstable laser resonators (ULRs) employing on-axis spot reflectors", 15th Biennial Congress 2002, Incorporating ACOFT & AOS, Feb. 2002.

  24. K. S. Johnson, D. W. Coutts, H. M. Pask and M. J. Withford, “Efficient lasing of a Ce:LiLuF laser pumped with a frequency doubled, all solid-state, yellow laser source”, Applied Optics and Optoelectronics Conference, University of Wales, UK., Sept. 2002.

  25. A. J. Lee , M. J. Withford and J. M. Dawes, “Fabrication of photonic crystal structures using a two-step mould process”, Australasian Conference for optics, lasers and spectroscopy (ACOLs), Melbourne, 2003.

  26. B. F. Johnston and M. J. Withford, “Novel techniques for fabricating periodically poled lithium niobate” Australasian Conference for optics, lasers and spectroscopy (ACOLs), Melbourne, 2003.

  27. M. Ams, M. J. Withford, J. M. Dawes and J. A. Piper, “Fabrication of optical waveguides in bulk materials using a femtosecond laser”, Australasian Conference for optics, lasers and spectroscopy (ACOLs), Melbourne, 2003.

  28. B. Kwok, M. J. Withford and J. M. Dawes, “Long period fibre gratings for laser surgery”, Australasian Conference for optics, lasers and spectroscopy (ACOLs), Melbourne, 2003.

  29. G. D. Marshall and M. J. Withford, “Femtosecond inscription of fibre Bragg gratings in active and passive fibres: the point by point method”, paper ThC3, Australasian Conference for optics, lasers and spectroscopy (ACOLS), Rotorua, New Zealand, 2005.

  30. B. J. Johnston and M. J. Withford, “Laser machined topographical structures for poling ferroelectrics”, paper ThP28, Australasian Conference for optics, lasers and spectroscopy (ACOLS), Rotorua, New Zealand, 2005.

  31. M. Ams, G. D. Marshall, J. A. Piper, M. J. Withford, “Photonic devices fabricated in bulk glass by femtosecond laser pulses”, paper ThP1, Australasian Conference for optics, lasers and spectroscopy (ACOLS), Rotorua, New Zealand, 2005.

  32. Y. Li, B. F. Johnston, M. J. Withford and K. P. Esselle, “Prototyping dual band artificial magnetic conductors with laser micromachining”, in Proceedings of Workshop on the Application of Radio Science (WARS), Leura, NSW, 2006.

  33. R. M. Chaplin, G. E. Town, M. J. Withford, D. R. Baer, “Randomly Microstructured Polymer Optical Fibre” in Proceedings of ACOFT&AOS 2006 Conference, Melbourne, Australia, 2006.

  34. A. Fuerbach, G. Marshall, M. Ams, N. Jovanovic, M. Withford, A. Fernandez, R. Graf, A. Isemann, T. Mueller, ”High precision material processing using ultrashort laser pulses”, ARNAM 2006 Annual Workshop, Brisbane, Australia, 2006.

  35. M. Ams, G. D. Marshall and M. J. Withford, “Realising photonic circuitry for future optical networks”, paper WC0588 in Technical Digest of Australian Institute of Physics 17th National Congress, Brisbane, 2006.

  36. L. Stewart, G. D. Marshall, J. M. Dawes and M. J. Withford, “Fabricating opals to control the flow of light”, paper WC0280, in Technical Digest of Australian Institute of Physics 17th National Congress, Brisbane, 2006.

  37. D. Haynes, J.M. Dawes, R. Haynes, M Withford, “Fibre losses in astronomical instrumentation due to end-face surface roughness”, Astronomical Society of Australia, Annual Conference, Sydney July 2007.

  38. M. Ams, G. D. Marshall, P. Dekker and M. J. Withford, "Active waveguide devices directly written into glass materials using a femtosecond laser", Paper 237 in the 18th National Congress of the Australian Institute of Physics (AIP), Adelaide, Australia, 2008.

  39. G. D. Marshall, M. Ams, J. C. F. Matthews, A. Politi, P. Dekker, J. L. O'Brien and M. J. Withford, "Optical Quantum Circuits Created Using the Femtosecond Laser Direct Write Technique", Paper 646 in the 18th National Congress of the Australian Institute of Physics (AIP), Adelaide, Australia, 2008.

  40. N. Jovanovic, R. J. Williams, M. Aslund, G. D. Marshall, A. Fuerbach, S. D. Jackson and M. J. Withford, “Functionalizing fibre lasers by exploiting the properties of Point-by-Point fibre Bragg gratings”, Paper 770 in the 18th National Congress of the Australian Institute of Physics (AIP), Adelaide, Australia, 2008.

  41. Douglas J. Little, Peter Dekker, Judith M. Dawes, Graham D. Marshall and Michael J. Withford, “Investigation of fs-Laser Induced Modification of Fused Silica by Circularly and Linearly Polarised Beams", Paper 531 in the 18th National Congress of the Australian Institute of Physics (AIP), Adelaide, Australia, 2008.

Non-Peer reviewed Published Articles

  1. "Small-scale copper-vapor laser produces 150W visible output at 22 kHz", Laser Focus World, Newsbreak, Penwell publications, September issue, 1997.

  2. E. K. Illy, M. J. Withford, D. J. W. Brown and J. A. Piper, "Micro-machining cuts costs for copper vapour lasers", Photonics Spectra (Laurin publications), vol. 32, pp. 106-110, 1998 (amended author list published on page 13, May issue).

  3. M. J. Withford, “Laser micromachining breaks new ground”, Manufacturers Monthly (Reed Business publications) pp. 48, August, 2002.

  4. M. J. Withford, “Photonic Crystal Chips”, Science Education News, vol. 52, issue 4, pp. 188-189, 2003.

  5. M. Ams, G. D. Marshall, D. Spence, J. M. Dawes, J. A. Piper and M. J. Withford, “Direct writing of guided wave devices inside bulk glass using femtosecond lasers”, Australian Optical Society News (ISSN 1832-4436), Vol. 19, No. 1, pp. 8-11, 2006.

  6. D. Haynes, M. Withford, J. Dawes, R. Haynes, J. Bland-Hawthorn, “Analysis of the output light distribution from multimode optical fibres used for astronomical instrumentation”, Australian Optical Society News (ISSN 1832-4436), Vol. 22, No. 1, pp. 13-17, 2008.

Unpublished Articles

  1. M. J. Withford, D. J. W. Brown, R. J. Carman, J. A. Piper, "Kinetic Enhancement of Copper Vapour Laser Performance," Preliminary Report to Lawrence Livermore National Laboratory October 1996 (39pp) (COMMERCIAL-IN-CONFIDENCE).

  2. M. J. Withford, D. J. W Brown, R. J. Carman, J. A. Piper, "Kinetic Enhancement of Copper Vapour Laser Performance," Final Report, Stage 1 to Lawrence Livermore National Laboratory October 1996 (48pp) (COMMERCIAL-IN-CONFIDENCE).

  3. D. J. W Brown, M. J. Withford, "Kinetic Enhancement of Plant-Scale Copper Laser Amplifiers," Final Report, Stage 2/3 to Lawrence Livermore National Laboratory November 1997 (39pp) (COMMERCIAL-IN-CONFIDENCE).

  4. M. J. Withford, J. M. Tocher and D. R. Baer, “Development of temperature sensing techniques for heated optical fibre”, Final Report to Bishop Innovations, January 2002 (14pp) (COMMERCIAL IN CONFIDENCE).

  5. J. Carew, D. R. Baer, M. J. Withford, “Feasibility study: laser ablation of tap hole clay”, Final Report to BHP Billiton 29th June 2005 (15pp) (COMMERCIAL IN CONFIDENCE).

Patents

  1. M. J. Withford, D. J. W. Brown, R. J. Carman and J. A. Piper, "Metal Vapour Laser",
    Australian Patent: AU1712697, 1997
    European patent: EP0880811, 1999
    United States patent: US6175583, 2001
    Canadian patent: CA2245892, 2005.

  2. M. J. Withford, D. J. W. Brown and J. A. Piper, “Ferroelectric Material”, Provisional Number PQ 6615, 2000.
    Lapsed 2001.

  3. M. J. Withford, D. Baer, A. J. Lee and J. M. Dawes, “Microstructures and Methods for fabricating, US patent US 2005/0011873, awarded 20th Jan., 2005.

  4. D. J. Baer and M. J. Withford, “Laser dicing method”, Provisional Patent filed 28th April, 2005
    Refiled May 2006

  5. M. J. Withford, G. D. Marshall, M. Ams, P. Dekker and J. A. Piper, “An optical amplifier, a laser and methods of manufacture thereof”,
    International (PCT) Patent Application No. PCT/AU2007/001250 filed 29th Aug. 2007.

Useful Links

Research

Macquarie University, NSW 2109
W: www.physeng.mq.edu.au

Personal

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W: www.physeng.mq.edu.au