High-Brightness 100 Hz/363 mJ Picosecond Nd:YAG Laser System for Ultra-Remote Laser Ranging

A high pulse energy and high beam quality Nd:YAG laser system with extremely high brightness of 105 PW/sr \cdot cm 2 is reported. The system is based on a master oscillator power amplifier scheme containing a Nd:YVO 4 mode-locked oscillator, laser diode end-pumped Nd:YAG regenerative amplifier, Ø6.3...

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Veröffentlicht in:IEEE journal of quantum electronics 2020-10, Vol.56 (5), p.1-10
Hauptverfasser: Huang, Yutao, Zhang, Hongbo, Yan, Xiaochao, Guo, Guangyan, Bai, Zhenao, Lin, Weiran, Kang, Zhijun, Qiu, Jisi, Zhao, Tianzhuo, Fan, Zhongwei
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Sprache:eng
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Zusammenfassung:A high pulse energy and high beam quality Nd:YAG laser system with extremely high brightness of 105 PW/sr \cdot cm 2 is reported. The system is based on a master oscillator power amplifier scheme containing a Nd:YVO 4 mode-locked oscillator, laser diode end-pumped Nd:YAG regenerative amplifier, Ø6.35-mm double-pass amplifier, and two Ø15-mm double-pass amplifiers. Laser pulses with energy of 363 mJ and pulse duration of 63 ps were obtained at a repetition rate of 100 Hz, corresponding to a peak power of ~5.76 GW. A near-Gaussian beam with M^{2} < 2.2 and a narrow bandwidth with 0.17 nm were achieved, which make this laser system an attractive light source for ultra-remote laser ranging.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2020.3004139