Diode-pumped high-peak-power nanosecond Nd,Y: SrF2 regenerative laser amplifier

被引：1
|
作者：
Guo, Jiangtao [1 ]
Wang, Jiangfeng [1 ]
Lu, Xinghua
Zhang, Yenan [1 ,2 ]
Wang, Xiaochao [1 ]
Zhang, Zhen [3 ]
Jiang, Dapeng [3 ]
Su, Liangbi [3 ]
Fan, Wei [1 ]
Li, Xuechun [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Natl Lab High Power Laser & Phys, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent & Optofunct Adv Inorgan Mat, Shanghai 201800, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2024年 / 557卷
关键词：
Nd; Y:SrF2; Solid-state lasers; Broadband amplification; Spectral control; Diode-pumped laser;
D O I：
10.1016/j.optcom.2024.130298
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a regenerative laser amplifier based on laser-diode-pumped Nd, Y:SrF2 crystals with an output of approximately 9.78 mJ/10 Hz. A specially designed birefringent filter was inserted into the cavity to compensate the gain narrowing and amplify the seed pulse with a center wavelength of 1053.3 nm. To optimize the design of the resonator, the thermal wavefront of the laser gain module was simulated and experimentally measured. When a laser pulse with a duration of 9 ns and energy of 1 nJ was injected into the regenerative amplifier, the output energy was 9.78 mJ with peak power of 1.1 MW. The energy stability was 0.72 % RMS. The horizontal and vertical beam quality M-2 was 1.18 and 1.23 respectively. The results show the potential of the developed amplifier for application in high -power laser facilities.
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页数：6
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