Output characteristics of 3-8?m mid-infrared source based on BaGa4Se7 crystal

被引：4
作者：
Li, Weifan [1 ,2 ,3 ,4 ]
Cheng, Naijun [1 ,3 ,4 ]
Qi, Feng [1 ,3 ,4 ]
Yao, Jiyong [2 ]
Guo, Liyuan [1 ,3 ,4 ]
Liu, Pengxiang [1 ,3 ,4 ]
机构：
[1] Chinese Acad Sci, Key Lab Optoelect Informat Proc, Shenyang 110169, Peoples R China
[2] Chinese Acad Sci, Beijing Ctr Crystal Res & Dev, Tech Inst Phys & Chem, Key Lab Funct Crystals & Laser Technol, Beijing 100049, Peoples R China
[3] Key Lab Terahertz Imaging & Sensing, Shenyang 110169, Liaoning, Peoples R China
[4] Chinese Acad Sci, Shenyang Inst Automat, Shenyang 110169, Peoples R China
来源：
APPLIED OPTICS | 2023年 / 62卷 / 01期
关键词：
DIFFERENCE-FREQUENCY-GENERATION; HIGH-REPETITION-RATE; MU-M; LASER; SPECTROSCOPY; RANGE;
D O I：
10.1364/AO.478246
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical parametric oscillator based on BaGa4Se7 crystal is constructed for use as a 3-8 mu m mid-infrared source. The output characteristics of the light source, including wavelength tuning, beam quality, and energy stability, are studied, which are usually concerned differently in spectral analysis, imaging, and laser processing. When the light source operates far from the threshold, the mid-infrared output is poor in beam quality and good in energy stability, and the contradiction should be addressed in practice. The results provide guidance on the selection of operating parameters and performance optimization for the application of the BaGa4Se7 based mid-infrared source in various settings.(c) 2022 Optica Publishing Group
引用
收藏
页码：172 / 177
页数：6
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