Discharge initiated high power repetitively pulsed HF/DF laser

Ke Huang; Aiping Yi; Ying Tang; Feng Zhu; Lianying Ma; Chao Huang; Songqing Zhou; Liu Zhao; Guobin Feng; Xisheng Ye; Jingru Liu; Jun Zhao

doi:10.1117/12.2071033

3 February 2015 Discharge initiated high power repetitively pulsed HF/DF laser

Ke Huang, Aiping Yi, Ying Tang, Feng Zhu, Lianying Ma, Chao Huang, Songqing Zhou, Liu Zhao, Guobin Feng, Xisheng Ye, Jingru Liu, Jun Zhao

Author Affiliations +

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 92552X (2015) https://doi.org/10.1117/12.2071033
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

Abstract

The design and performance of a closed cycle, repetitively pulsed HF/DF laser is described. For obtained higher stable laser pulse energy and running frequency, discharge stability with different electrode profile and different gas circulation structure are researched. The functional relations of laser pulse energy with electric field strength (E) and gas mixture pressure (P) for various gas flow velocity are studied. It is shown that with preliminary optimized of the gas injection segment structure before pump region and optimal E/P conditions, maximal running frequency of 100Hz is obtained and operating stability keeps well. Under these conditions, the laser average power is 40W and peak power is 4MW.

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Ke Huang, Aiping Yi, Ying Tang, Feng Zhu, Lianying Ma, Chao Huang, Songqing Zhou, Liu Zhao, Guobin Feng, Xisheng Ye, Jingru Liu, and Jun Zhao "Discharge initiated high power repetitively pulsed HF/DF laser", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92552X (3 February 2015); https://doi.org/10.1117/12.2071033

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