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Proceedings Paper

Pump uniformity study of a side-pumped DPSS laser
Author(s): Jianhui Gu; Siu Chung Tam; Yee Loy Lam; Hongru Yang; Jingang Liu; Deyuan Shen; Wenjie Xie; Wilson Tan; Desheng Xu; ZuHai Cheng
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Paper Abstract

We reported pump uniformity study of a side-pumped DPSS laser, which produced CW output of 30 W with a proper uniform pumping. An JR camera was employed to study the pump energy distribution as well as the thermal effect inside the laser crystal. Theoretically simulated energy distributions were compared with the experimentally measured JR images. Jt is found that the JR imaging technology is an effective method to study pump uniformity of side-pumped DPSS lasers, and uniform pumping is very essential to achieve a good beam quality and a wider stable operating range for high-power DPSS lasers.

Paper Details

Date Published: 16 April 2001
PDF: 7 pages
Proc. SPIE 4267, Solid State Lasers X, (16 April 2001); doi: 10.1117/12.424598
Show Author Affiliations
Jianhui Gu, Nanyang Technological Univ. (Singapore)
Siu Chung Tam, Nanyang Technological Univ. (Singapore)
Yee Loy Lam, Nanyang Technological Univ. (Singapore)
Hongru Yang, Nanyang Technological Univ. (Singapore)
Jingang Liu, Nanyang Technological Univ. (Singapore)
Deyuan Shen, Nanyang Technological Univ. (Singapore)
Wenjie Xie, Nanyang Technological Univ. (United States)
Wilson Tan, Nanyang Technological Univ. (Singapore)
Desheng Xu, Huazhong Univ. of Science and Technology (China)
ZuHai Cheng, Huazhong Univ. of Science and Technology (China)

Published in SPIE Proceedings Vol. 4267:
Solid State Lasers X
Richard Scheps, Editor(s)

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