1KHz high average power single-frequency Nd:YAG laser

Xiaolei Zhu; Xiuhua Ma; Shiguang Li; Weibiao Chen

doi:10.1117/12.2070591

3 February 2015 1KHz high average power single-frequency Nd:YAG laser

Xiaolei Zhu, Xiuhua Ma, Shiguang Li, Weibiao Chen

Proceedings Volume 9255, XX International Symposium on High-Power Laser Systems and Applications 2014; 92550A (2015) https://doi.org/10.1117/12.2070591
Event: XX International Symposium on High Power Laser Systems and Applications, 2014, Chengdu, China

Abstract

A laser-diode-pumped master oscillator and power amplifier was developed with high efficiency, high average power and high beam quality. The oscillator is an injection-seeding, fiber coupled diode-end-pumped E-O Q-switched Nd:YAG laser, producing single frequency pulse laser output with pulse energy of 8mJ and pulse width of 11ns at a pulse repetition rate of 1KHz，The 1KHz was divided into four chains with frequency of 250Hz, through E-O modulation technology, The power amplifier utilizes conductively-cooling Nd:YAG zigzag slab with two sides’ pump architecture at bounce point. Pulse energy of more than 800mJ with pulse widths of 12.6ns was obtained at repetition rate of 250Hz in every amplifier chain, the frequency-doubled pulse energy of 360mJ when KTP crystal was used was obtained at a repetition of 250Hz.

Citation Download Citation

Xiaolei Zhu, Xiuhua Ma, Shiguang Li, and Weibiao Chen "1KHz high average power single-frequency Nd:YAG laser", Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92550A (3 February 2015); https://doi.org/10.1117/12.2070591

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