Double Fabry–Pérot etalons assistant injection-seeded single-frequency Tm,Ho:YLF laser

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作者：
Fangxin Yue
Junxuan Zhang
Jie Meng
Ting Yu
Decang Bi
Xiaolei Zhu
Jiqiao Liu
Weibiao Chen
机构：
[1] Chinese Academy of Sciences,Laboratory of Space Laser Engineering, Shanghai Institute of Optics and Fine Mechanics
[2] University of Chinese Academy of Sciences,Center of Materials Science and Optoelectronics Engineering
[3] Chinese Academy of Sciences,Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics
[4] Pilot National Laboratory for Marine Science and Technology (Qingdao),undefined
来源：
Applied Physics B | 2023年 / 129卷
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摘要：
In this paper, we report a diode side-pumped injection-seeded single-frequency Tm,Ho:YLF laser, which operated at lasing threshold and emitted at 2051.2 nm. The assistance of Fabry–Pérot (FP) etalons to seed injection via mode selection was investigated. An acousto-optic Q-switched output of 6.7 mJ was achieved at 5 Hz. A temporal pulse duration of 310 ns with spectral linewidth of 2.0 MHz and frequency stability of 0.8 MHz root-mean-square (rms) was detected. The beam profile was a high-quality Gaussian TEM00 mode with M2x/y of ~ 1.15/1.14. This 2 μm laser source would be a good candidate for ground-based wind-detection coherent Lidar system.
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