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Proceedings Paper

1KHz high average power single-frequency Nd:YAG laser
Author(s): Xiaolei Zhu; Xiuhua Ma; Shiguang Li; Weibiao Chen
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Paper 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.

Paper Details

Date Published: 3 February 2015
PDF: 6 pages
Proc. SPIE 9255, XX International Symposium on High-Power Laser Systems and Applications 2014, 92550A (3 February 2015); doi: 10.1117/12.2070591
Show Author Affiliations
Xiaolei Zhu, Shanghai Institute of Optics and Fine Mechanics (China)
Xiuhua Ma, Shanghai Institute of Optics and Fine Mechanics (China)
Shiguang Li, Shanghai Institute of Optics and Fine Mechanics (China)
Weibiao Chen, Shanghai Institute of Optics and Fine Mechanics (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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