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Infrared and Laser Engineering, Volume. 52, Issue 6, 20230178(2023)

Mid-infrared BaGa4Se7 optical parametric oscillator with high conversion efficiency (invited)

Jintian Bian1,2,3, Hui Kong1,2、*, Qing Ye1,2, Jiyong Yao4, Guorui Lv1,2,3, Haiping Xu1,2,3, Quan Zhou1,2, and Kaihua Wen1,2
Author Affiliations
  • 1State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China
  • 2Anhui Laboratory of Advanced Laser Technology, Electronic Countermeasure Institute, National University of Defense Technology, Hefei 230037, China
  • 3Nanhu Laser Laboratory, National University of Defense Technology, Changsha 410073, China
  • 4Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(5)
    Experimental setup of BGSe OPO

    Fig. 1. Experimental setup of BGSe OPO

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    The idler laser output energy under the L-shaped cavity

    Fig. 2. The idler laser output energy under the L-shaped cavity

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    (a) Parametric light waveforms in BGSe-L cavity (without LBO) with a pump energy of 30 mJ; (b) Parametric light waveforms in BGSe-L cavity (with LBO) with a pump energy of 30 mJ; (c) Parametric light waveforms in BGSe-L cavity (without LBO) with a pump energy of 50 mJ; (d) Parametric light waveforms in BGSe-L cavity (with LBO) with a pump energy of 50 mJ; (e) Parametric light waveforms in BGSe-L cavity (without LBO) with a pump energy of 80 mJ; (f) Parametric light waveforms in BGSe-L cavity (with LBO) with a pump energy of 80 mJ

    Fig. 3. (a) Parametric light waveforms in BGSe-L cavity (without LBO) with a pump energy of 30 mJ; (b) Parametric light waveforms in BGSe-L cavity (with LBO) with a pump energy of 30 mJ; (c) Parametric light waveforms in BGSe-L cavity (without LBO) with a pump energy of 50 mJ; (d) Parametric light waveforms in BGSe-L cavity (with LBO) with a pump energy of 50 mJ; (e) Parametric light waveforms in BGSe-L cavity (without LBO) with a pump energy of 80 mJ; (f) Parametric light waveforms in BGSe-L cavity (with LBO) with a pump energy of 80 mJ

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    Temporal profile of the idler in BGSe-L cavity at a 78 mJ pump energy: (a) with LBO; (b) without LBO

    Fig. 4. Temporal profile of the idler in BGSe-L cavity at a 78 mJ pump energy: (a) with LBO; (b) without LBO

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    (a) The relationship between the output wavelength and θ angle of BGSe; (b) The relationship between the output wavelength and φ angle of BGSe （56.3, 0）

    Fig. 5. (a) The relationship between the output wavelength and θ angle of BGSe; (b) The relationship between the output wavelength and φ angle of BGSe （56.3, 0）

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    Jintian Bian, Hui Kong, Qing Ye, Jiyong Yao, Guorui Lv, Haiping Xu, Quan Zhou, Kaihua Wen. Mid-infrared BaGa4Se7 optical parametric oscillator with high conversion efficiency (invited)[J]. Infrared and Laser Engineering, 2023, 52(6): 20230178

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    Paper Information

    Category: Invited paper

    Received: Mar. 30, 2023

    Accepted: --

    Published Online: Jul. 26, 2023

    The Author Email: Kong Hui (.konghui17@nudt.edu.cn)

    DOI:10.3788/IRLA20230178

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology