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Proceedings Paper

DPAL research in Changsha
Author(s): Hongyan Wang; Xiaojun Xu; Zining Yang; Weihong Hua
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Paper Abstract

Alkali laser has been one of the most promising paths to high energy laser during past dozen years. As the first group realized DPAL and XPAL lasing in China, we had done lots of theoretical and experimental works to further clarify the mechanism of alkali lasers, such as exploring scaling parameters design balance and MOPA configuration amplified spontaneous emission suppression in DPAL based on our self-developed fast converging algorithm, XPAL’s continuous wave operation threshold, performance degradation of VBG narrowed diode laser array and stacks due to conductive thermal flow, heat deposition induced gas dynamic parameters variation estimation, local atomic number density change measurement with single frequency tunable diode laser, ionization and other higher level nonlinear effects with opto-galvanometer method. Based on above research works, preliminary c onsiderations and conclusions for alkali laser scaling are given.

Paper Details

Date Published: 3 February 2015
PDF: 8 pages
Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92551X (3 February 2015); doi: 10.1117/12.2066962
Show Author Affiliations
Hongyan Wang, National Univ. of Defense Technology (China)
Xiaojun Xu, National Univ. of Defense Technology (China)
Zining Yang, National Univ. of Defense Technology (China)
Weihong Hua, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 9255:
XX International Symposium on High-Power Laser Systems and Applications 2014
Chun Tang; Shu Chen; Xiaolin Tang, Editor(s)

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