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.

引用

页数：6

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