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Proceedings Paper

Coupling system of the high-power LD arrays end-pumped amplifier
Author(s): Mingzhong Li; Wei Jia; Lei Ding; Yi-ming Luo; Jun Tang
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Paper Abstract

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

Paper Details

Date Published: 26 January 2005
PDF: 4 pages
Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); doi: 10.1117/12.572466
Show Author Affiliations
Mingzhong Li, Laser Fusion Research Ctr. (China)
National Univ. of Defense Technology (China)
Wei Jia, Laser Fusion Research Ctr. (China)
National Univ. of Defense Technology (China)
Lei Ding, Laser Fusion Research Ctr. (China)
National Univ. of Defense Technology (China)
Yi-ming Luo, Laser Fusion Research Ctr. (China)
National Univ. of Defense Technology (China)
Jun Tang, Laser Fusion Research Ctr. (China)
National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 5627:
High-Power Lasers and Applications III
Dianyuan Fan; Ken-ichi Ueda; Jongmin Lee, Editor(s)

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