High-repetition-rate mid-infrared optical parametric oscillator based on BaGa4Se7 crystal pumped by a 1064nm laser

Yue Sun; Degang Xu; Yuantao Zhao; Kai Chen; Yuye Wang; Kai Zhong; Jining Li; Jiyong Yao; Jianquan Yao

doi:10.1117/12.3037123

4 December 2024 High-repetition-rate mid-infrared optical parametric oscillator based on BaGa₄Se₇ crystal pumped by a 1064nm laser

Yue Sun, Degang Xu, Yuantao Zhao, Kai Chen, Yuye Wang, Kai Zhong, Jining Li, Jiyong Yao, Jianquan Yao

Author Affiliations +

Proceedings Volume 13283, Conference on Spectral Technology and Applications (CSTA 2024); 132833H (2024) https://doi.org/10.1117/12.3037123
Event: Conference on Spectral Technology and Applications (CSTA 2024), 2024, Dalian, China

Abstract

A mid-infrared BaGa₄Se₇ (BGSe) optical parametric oscillator (OPO) pumped by a 1064 nm laser with a repetition frequency of 1 kHz was demonstrated. The maximum output power at the wavelength of 6.48 μm was 40.2 mW with a pulse width of 6.45 ns, corresponding to the peak power of 6.23 kW. The characteristics of MIR tuning for BGSe-OPO were investigated using temperature and angle tuning methods. A tunable output in the 6.48-6.89 μm range was obtained. The high-repetition-rate MIR lasers within the 6-7 µm range provide a kind of new source for a variety of practical applications.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yue Sun, Degang Xu, Yuantao Zhao, Kai Chen, Yuye Wang, Kai Zhong, Jining Li, Jiyong Yao, and Jianquan Yao "High-repetition-rate mid-infrared optical parametric oscillator based on BaGa₄Se₇ crystal pumped by a 1064nm laser", Proc. SPIE 13283, Conference on Spectral Technology and Applications (CSTA 2024), 132833H (4 December 2024); https://doi.org/10.1117/12.3037123

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