Imperial College London

ProfessorMichaelDamzen

Faculty of Natural SciencesDepartment of Physics

Professor of Experimental Laser Physics
 
 
 
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Contact

 

+44 (0)20 7594 7783m.damzen Website

 
 
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Location

 

610Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

363 results found

Thompson BA, Jackson T, Minassiam A, Damzen MJet al., 2003, Unidirectional ring laser using novel parasitic directionality control

In this paper we have shown a simple technique for creating unidirectional ring lasers without the inclusion of an intracavity isolator. Experimentally and numerically, this device gives high output powers, up to 14 W from 30 W of diode pumping, in a TEM/sub 00/ and single longitudinal mode of operation. The system was numerically modelled, with incorporation of multiple frequencies, polarisations and directions of oscillation. © 2003 IEEE.

Conference paper

Thompson BA, Minassian A, Damzen MJ, 2003, Self-adaptive aberration correction in a 33 W laser oscillator

In this paper we present a self-adaptive laser oscillator with higher output powers, and also show the correction of further intracavity aberrations by the inclusion of a further amplifier to give output powers up to 33 W from a total of 103 W of diode pumping. The adaptive nature of the cavity successfully corrects for severe thermal lensing within the gain medium, and the use of image-relay optics enables the system to run over a wide range of diode pump powers. © 2003 IEEE.

Conference paper

Minassian A, Thompson B, Damzen MJ, 2003, 42.5 W output from a compact Nd:YVO<inf>4</inf> bounce oscillator power amplifier laser

In recent years, diode-end-pumped solid-state lasers have become important sources of 1 /spl mu/m radiation, offering high efficiency output with excellent beam quality. In this paper, we report operation of the grazing-incidence bounce geometry oscillator-amplifier Nd:YVO/sub 4/ laser incorporating intracavity cylindrical optics to maximise the mode-matching between pump and laser radiation. It is concluded that it has a very high efficiency output from a diode-side-pumped Nd:YVO/sub 4/ bounce laser. A maximum optical conversion efficiency of >68% is obtained with 26.1W of multimode output power and 23.1 W of single spatial mode output power. Finally, in an oscillator-amplifier configuration 42.5 W of multimode output with 60% conversion efficiency is achieved. © 2003 IEEE.

Conference paper

Damzen MJ, 2003, Self-adaptive laser resonators with wave mixing in gain media

This paper will overview the key theoretical concepts and experimental results in lamp-pumped and diode-pumped solid-state lasers based on adaptive laser resonators with wave-mixing in the gain medium. We describe the key results of injected and self-starting resonators. In particular, we will describe our own developments towards >100 W of diode-pumped solid-state laser power with near diffraction-limited beam quality and single-longitudinal mode based on adaptive resonators. © 2003 IEEE.

Conference paper

Lam SY, Damzen MJ, 2003, Self-adaptive tunable visible solid-state dye laser

In this paper, a self-adaptive holographic solid-state dye laser, which adaptively corrects for thermally induced aberrations, is described. The laser is seeded with a probe beam which self-intersects in the solid-state dye to write a gain grating hologram. Aberrations experience by the probe beam is encoded into the gain hologram. When lasing threshold is attained, a backward mode occurs that is the spatial phase conjugate of the (forward) probe beam, with correction of loop aberrations. © 2003 IEEE.

Conference paper

Vlad VI, Fazio E, Damzen M, 2003, Editorial: Photorefractive materials and effects for photonics, Journal of Optics A: Pure and Applied Optics, Vol: 5, ISSN: 1464-4258

Journal article

Lam SY, Damzen MJ, 2003, Characterisation of solid-state dyes and their use as tunable laser amplifiers, APPLIED PHYSICS B-LASERS AND OPTICS, Vol: 77, Pages: 577-584, ISSN: 0946-2171

Journal article

Corner L, Kaczmarek M, Damzen MJ, 2003, Application of the three-valence model of photorefraction to rhodium-doped barium titanate, JOURNAL OF MODERN OPTICS, Vol: 50, Pages: 2173-2183, ISSN: 0950-0340

Journal article

Kir'yanov A, Aboites V, Belovolov AM, Damzen MJ, Minassian A, Timoshechkin MI, Belovolov MIet al., 2003, Visible-to-near-IR luminescence at stepwise up-conversion in Yb,Ho:GGG under IR diode pumping, International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, Publisher: ELSEVIER, Pages: 715-721, ISSN: 0022-2313

Conference paper

Thompson BA, Minassian A, Damzen MJ, 2003, Operation of a 33-W, continuous-wave, self-adaptive, solid-state laser oscillator, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, Vol: 20, Pages: 857-862, ISSN: 0740-3224

Journal article

Lam SY, Damzen MJ, 2003, Self-adaptive holographic solid-state dye laser, OPTICS COMMUNICATIONS, Vol: 218, Pages: 365-370, ISSN: 0030-4018

Journal article

Minassian A, Thompson B, Damzen MJ, 2003, Ultrahigh-efficiency TEM<sub>00</sub> diode-side-pumped Nd:YVO<sub>4</sub> laser, APPLIED PHYSICS B-LASERS AND OPTICS, Vol: 76, Pages: 341-343, ISSN: 0946-2171

Journal article

García-López JH, Aboites V, Kir'yanov AV, Damzen MJ, Minassian Aet al., 2003, High repetition rate Q-switching of high power Nd:YVO<sub>4</sub> slab laser, OPTICS COMMUNICATIONS, Vol: 218, Pages: 155-160, ISSN: 0030-4018

Journal article

Lam SY, Damzen MJ, 2003, Self-adaptive Nd:YLF holographic laser with selectable wavelength operation, APPLIED PHYSICS B-LASERS AND OPTICS, Vol: 76, Pages: 237-240, ISSN: 0946-2171

Journal article

Bermudez JC, Kir'yanov AV, Pinto-Robledo VJ, Damzen MJet al., 2003, The influence of thermally induced effects on operation of a compact diode-side-pumped Nd:YVO<sub>4</sub> laser, 11th International Laser Physics Workshop (LPHYS 02), Publisher: INTERPERIODICA, Pages: 255-263, ISSN: 1054-660X

Conference paper

Gutierrez JCB, Damzen MJ, Pinto-Robledo VJ, Kir'yanov AV, Soto-Bernal JJet al., 2003, Compact diode-side-pumped Nd: YVO<sub>4</sub> laser in grazing-incidence configuration, APPLIED PHYSICS B-LASERS AND OPTICS, Vol: 76, Pages: 13-16, ISSN: 0946-2171

Journal article

Damzen MJ, 2003, Self-adaptive loop resonators with gain gratings, Phase conjugate laser optics, Editors: Brignon, Huignard, Hoboken, NJ, Publisher: Wiley-Interscience, Pages: 367-406, ISBN: 9780471439578

Book chapter

Damzen MJ, Vlad VI, Mocofanescu V, 2003, Stimulated brillouin scattering: fundamentals and applications, Bristol, Publisher: Institute of Physics Publishing, ISBN: 9780750308700

Book

Omatsu T, Ojima Y, Damzen MJ, 2003, High quality multi-watt output from a diode-pumped CWNd:YVO<sub>4</sub> laser with a photorefractive phase conjugate mirror, 9th International Conference on Photorefractive Effects, Materials, and Devices, Publisher: OPTICAL SOC AMERICA, Pages: 524-528, ISSN: 1094-5695

Conference paper

Petris A, Damzen MJ, Vlad VI, 2003, Adaptive optical interconnection using double phase conjugation in Rh:BaTiO<sub>3</sub> photorefractive crystals, 19th Congress of the International-Commission-for-Optics, Publisher: SPIE-INT SOC OPTICAL ENGINEERING, Pages: 938-938, ISSN: 0277-786X

Conference paper

Omatsu T, Ojima Y, Thompson BA, Minassian A, Damzen MJet al., 2002, 150-times phase conjugation by degenerate four-wave mixing in a continuous-wave Nd:YVO<sub>4</sub> amplifier, APPLIED PHYSICS B-LASERS AND OPTICS, Vol: 75, Pages: 493-495, ISSN: 0946-2171

Journal article

Thompson BA, Minassian A, Eason RW, Damzen MJet al., 2002, Efficient operation of a solid-state adaptive laser oscillator, APPLIED OPTICS, Vol: 41, Pages: 5638-5644, ISSN: 1559-128X

Journal article

Bermudez JC, Pinto-Robledo VJ, Kir'yanov AV, Damzen MJet al., 2002, The thermo-lensing effect in a grazing incidence, diode-side-pumped Nd:YVO<sub>4</sub> laser, OPTICS COMMUNICATIONS, Vol: 210, Pages: 75-82, ISSN: 0030-4018

Journal article

Kir'yanov AV, Aboites V, Belovolov AM, Timoshechkin MI, Belovolov MI, Damzen MJ, Minassian Aet al., 2002, Powerful visible (530-770 nm) luminescence in Yb,Ho:GGG with IR diode pumping, OPTICS EXPRESS, Vol: 10, Pages: 832-839, ISSN: 1094-4087

Journal article

Petris A, Damzen MJ, Vlad VI, 2002, Adaptive self-aligning, bi-directional interconnection using double phase conjugation in Rh:BaTiO3, OPTICS COMMUNICATIONS, Vol: 205, Pages: 437-448, ISSN: 0030-4018

Journal article

Hendricks JM, Hillier DI, Barrington SJ, Shepherd DP, Eason RW, Damzen MJ, Minassian A, Thompson Bet al., 2002, Power scaling of continuous-wave adaptive gain-grating laser resonators, OPTICS COMMUNICATIONS, Vol: 205, Pages: 197-205, ISSN: 0030-4018

Journal article

Omatsu T, Minassian A, Damzen MJ, 2002, High quality 7.5W continuous-wave operation of a Nd:YVO<sub>4</sub> laser with a Rh:BaTiO<sub>3</sub> phase conjugate mirror, JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, Vol: 41, Pages: 2024-2027, ISSN: 0021-4922

Journal article

García-López JH, Aboites V, Kir'yanov AV, Holmgren S, Damzen MJet al., 2002, Experimental study and modelling of a diode-side-pumped Nd:YVO<sub>4</sub> laser, OPTICS COMMUNICATIONS, Vol: 201, Pages: 425-430, ISSN: 0030-4018

Journal article

Hillier DI, Hendricks JM, Barrington SJ, Shepherd DP, Easan RW, Damzen MJ, Minassian A, Thompson Bet al., 2002, Power-Scaling Continuous-Wave Adaptive Laser Resonators

Conference paper

Omatsu T, Minassian A, Damzen MJ, 2002, High Quality 7.5 Watt Output from a CW Nd:YVO<inf>4</inf>Photorefractive Phase Conjugate Resonator

Conference paper

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