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  • Received: Jun. 14, 2020

    Accepted: Sep. 11, 2020

    Posted: Dec. 3, 2020

    Published Online: Dec. 18, 2020

    The Author Email: Jintian Bian (bianjt@126.com), Xiaoquan Sun (sun_xq@nudt.edu.cn)

    DOI: 10.3788/COL202119.021901

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    Hui Kong, Jintian Bian, Jiyong Yao, Qing Ye, Xiaoquan Sun. Temperature tuning of BaGa4Se7 optical parametric oscillator[J]. Chinese Optics Letters, 2021, 19(2): 021901

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Chinese Optics Letters, Vol. 19, Issue 2, 021901 (2021)

Temperature tuning of BaGa4Se7 optical parametric oscillator

Hui Kong1,2, Jintian Bian1,2,*, Jiyong Yao3, Qing Ye1,2, and Xiaoquan Sun1,2,**

Author Affiliations

  • 1State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China
  • 2Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China
  • 3Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Abstract

The temperature tuning of BaGa4Se7 (BGSe) was demonstrated for the first time, to the best of our knowledge. When the temperature of BGSe (56.3°,0°) was raised from 30°C to 140°C, the idler light under type I raised from 3637 nm to 3989 nm, the tunable range reached 352 nm, and Δλ2/ΔT reached 3.20 nm/°C. We calculated the phase matching curve of BGSe when ? and T took different values. The relationship between θ and Δλ2/ΔT was obtained by fixing ? at 0°. The maximum Δλ2/ΔT and its corresponding (θ, ?) phase matching type were reported under different fixed λ2 (3 μm, 3.2 μm,, 5 μm).

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