Research on the large-aperture high power laser diode arrays end-pumped coupling system

jia wei; li ming-zhong; ding lei; luo yi-ming; tang jun; zhang xiao-min

Volume 17 Issue 05s

May 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(05s): 0-

huang zu xin, jiang xiao dong, ren huan, et al. Effect of beam diameter for high accuracy laser damage testing[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

jia wei, li ming-zhong, ding lei, et al. Research on the large-aperture high power laser diode arrays end-pumped coupling system[J]. High Power Laser and Particle Beams, 2005, 17.

huang zu xin, jiang xiao dong, ren huan, et al. Effect of beam diameter for high accuracy laser damage testing[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

jia wei, li ming-zhong, ding lei, et al. Research on the large-aperture high power laser diode arrays end-pumped coupling system[J]. High Power Laser and Particle Beams, 2005, 17.

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Research on the large-aperture high power laser diode arrays end-pumped coupling system

1.
Research Center of Laser Fusion,P.O.Box 919-988,Mianyang 621900,China;
2.
College of Optoelectronic Engineering,College of Science,National University of Defense Technology,Changsha 410073,China

Publish Date: 2005-05-20

Abstract

Abstract

Hollow lens duct is a good choice for the coupling system of the large-aperture high power diode arrays. With numerical analysis of three-dimension ray tracing, a computer simulation program was developed for end-pumped LD arrays coupling system. Based on the result of simulation, a coupling system for a large-aperture(>100 cm2) high-power(48 kW) LD arrays was built, which has a hollow lens duct and a homogenizer. The pumping radiations was coupled into a laser crystal of only about 4 cm2, with coupling efficiency beyond 70% and perfect pumping-uniformity in the gain material.
- diode arrays,
- amplifier,
- end-pumped

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