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Chinese Optics Letters, Volume. 17, Issue 12, 121402(2019)

A compact and efficient 4.25 μm BaGa4Se7 optical parametric oscillator

Minqiang Kang1, Ying Deng1,2,3, Xiongwei Yan1, Xiaoming Zeng1,2,3, Yangwu Guo4, Jiyong Yao4、*, Fa Zeng1, Jiangang Zheng1,2,3, Kainan Zhou1,2,3, Chongbing Qu5, Jingqin Su1,2,3, and Qihua Zhu1,2,3、**
Author Affiliations
  • 1Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
  • 2Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiao Tong University, Shanghai 200240, China
  • 3Science and Technology on Plasma Physics Laboratory, Mianyang 621900, China
  • 4Center for Crystal Research and Development, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
  • 5Graduate School of China Academy of Engineering Physics, Beijing 100088, China
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    Type-I phase matching curve of the OPO by 1064 nm in BGSe.

    Fig. 1. Type-I phase matching curve of the OPO by 1064 nm in BGSe.

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    Experimental configuration of the extracavity BGSe OPO.

    Fig. 2. Experimental configuration of the extracavity BGSe OPO.

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    Pulse energy and pulse width at 1064 nm versus the diode pump current of the Q-switched Nd:YAG laser.

    Fig. 3. Pulse energy and pulse width at 1064 nm versus the diode pump current of the Q-switched Nd:YAG laser.

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    Beam profile of the pump light of 1064 nm.

    Fig. 4. Beam profile of the pump light of 1064 nm.

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    Spectrum of the pump and signal waves.

    Fig. 5. Spectrum of the pump and signal waves.

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    Output pulse energy at 4.25 μm idler light versus the pump (1064 nm) pulse energy.

    Fig. 6. Output pulse energy at 4.25 μm idler light versus the pump (1064 nm) pulse energy.

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    Measured temporal pulse shapes of the 1064 nm pump wave and 1.419 μm signal wave for BGSe-II at a pump energy of 13.5 mJ.

    Fig. 7. Measured temporal pulse shapes of the 1064 nm pump wave and 1.419 μm signal wave for BGSe-II at a pump energy of 13.5 mJ.

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    Minqiang Kang, Ying Deng, Xiongwei Yan, Xiaoming Zeng, Yangwu Guo, Jiyong Yao, Fa Zeng, Jiangang Zheng, Kainan Zhou, Chongbing Qu, Jingqin Su, Qihua Zhu, "A compact and efficient 4.25 μm BaGa4Se7 optical parametric oscillator," Chin. Opt. Lett. 17, 121402 (2019)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: May. 8, 2019

    Accepted: Jul. 19, 2019

    Published Online: Oct. 8, 2019

    The Author Email: Jiyong Yao (jyao@mail.ipc.ac.cn), Qihua Zhu (qhzh@163.com)

    DOI:10.3788/COL201917.121402

    Topics

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