DPAL research in Changsha

Hongyan Wang; Xiaojun Xu; Zining Yang; Weihong Hua

doi:10.1117/12.2066962

3 February 2015 DPAL research in Changsha

Hongyan Wang, Xiaojun Xu, Zining Yang, Weihong Hua

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 92551X (2015) https://doi.org/10.1117/12.2066962
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

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.

Citation Download Citation

Hongyan Wang, Xiaojun Xu, Zining Yang, and Weihong Hua "DPAL research in Changsha", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92551X (3 February 2015); https://doi.org/10.1117/12.2066962

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