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Widely tunable and high resolution mid-infrared laser based on BaGa4Se7 optical parametric oscillator |
Qing Ye1,2, Hui Kong1,2( ), Jintian Bian1,2, Jiyong Yao3, Enlong Wang1,2, Yunlong Wu1,2, Haiping Xu1,2, Kaihua Wen1,2, Yihua Hu1,2() |
1. State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China
2. Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China
3. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China |
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Abstract The widely tunable and high resolution mid-infrared laser based on a BaGa4Se7 (BGSe) optical parametric oscillator (OPO) was demonstrated. A wavelength tuning range of 2.76–4.64 μm and a wavelength tuning resolution of about 0.3 nm were obtained by a BGSe (56.3°, 0°) OPO, which was pumped by a 1064 nm laser. It is the narrowest reported wavelength tuning resolution for BGSe OPO, and was obtained by simultaneously controlling the angle and temperature of BGSe.
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| Keywords
Widely tunable
High resolution
BaGa4Se7
Optical parametric oscillator
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Corresponding Author(s):
Hui Kong,Yihua Hu
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| About author: Peng Lei and Charity Ngina Mwangi contributed equally to this work. |
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Issue Date: 26 October 2023
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