High-peak-power long-wave infrared BaGa4Se7 optical parametric oscillator with 6.7-13.9 μm widely tunable range

被引：0

作者：

Liu, Yu ^{[1
,2
]}

Li, Zhiyong ^{[1
]}

Yao, Jiyong ^{[3
]}

Wang, Hai ^{[1
,2
]}

Zhu, Ziren ^{[1
,2
]}

Bai, Jinzhou ^{[1
,2
]}

Fu, Jingjing ^{[1
]}

Lu, Yue ^{[1
]}

Zheng, Yijun ^{[1
,2
]}

Tan, Rongqing ^{[1
,2
]}

Ke, Changjun ^{[1
]}

Yuan, Hongrui ^{[4
]}

机构：

[1] Chinese Acad Sci, Aerosp Informat Res Inst, Beijing 100094, Peoples R China

[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 101408, Peoples R China

[3] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China

[4] Sci & Technol Particle Transport & Separat Lab, Tianjin 300180, Peoples R China

来源：

OPTICS LETTERS | 2024年 / 49卷 / 11期

关键词：

lishing Group; HIGH-EFFICIENCY; MID-IR;

D O I：

10.1364/OL.522496

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A high-peak-power, widely tunable range long-wave infrared optical parametric oscillator (OPO) based on the BaGa4Se7 (BGSe) crystal is demonstrated in this Letter. Pumped by a 1064 nm Nd:YAG laser, a high-peak-power of 0.15 MW was achieved at 9.8 mu m with a pulse width of 5.0 ns. At 11.0 mu m, a high beam quality of M2x = 4.1 and M2y = 3.3 was achieved. By rotating the BGSe crystal, a broad tuning range of 6.7-13.9 mu m was realized. Furthermore, a theoretical analysis was conducted to elucidate the reasons behind the improvement in beam quality in the x-direction as the wavelength of the idler wave increases. (c) 2024 Optica Pub

引用

页码：3255 / 3258

页数：4

共 33 条

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APPLIED PHYSICS B-LASERS AND OPTICS, 2017, 123 (03):
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