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首页> 中文期刊> 《中国物理快报：英文版 》 >A High Conversion Efficiency Q-Switched Intracavity Nd∶YVO4/KTA Optical Parametric Oscillator under Direct Diode Pumping at 880 nm

A High Conversion Efficiency Q-Switched Intracavity Nd∶YVO4/KTA Optical Parametric Oscillator under Direct Diode Pumping at 880 nm

         
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摘要

We report a high conversion efficiency Q-switched Nd∶YVO4/KTiOAsO4 (KTA) intracavity optical parametric oscillator (IOPO) operating near 3.5 μm based on direct 880 nm laser diode (LD) pumping.A maximum average idler output power of 2.6 W with a pulse width of about 7.9as is achieved under an absorbed LD power of 45.4 W at a pulse repetition rate (PRR) of 10 kHz.The maximum optical-optical conversion efficiency from LD power to OPO mid-infrared (MIR) output of 6.74％ is achieved.To our knowledge,this is the highest conversion efficiency for a KTA-IOPO by exploiting a Q-switched laser as the parent fundamental pump source.The beam quality factors M2 of the MIR beam at the full output power with a PRR of 10 kHz are within 2.12 in both the horizontal and vertical directions,indicating a near Gaussian mode.

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  • 来源
    《中国物理快报：英文版 》 |2019年第4期|23-26|共4页
  • 作者

    Li-Jiao He; Zu-Yan Xu; Ke Liu; Nan Zong; Zhao Liu; Zhi-Min Wang; Yong Bo; Xiao-Jun Wang; Qin-Jun Peng; Da-Fu Cui;

  • 作者单位

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    University of Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Solid-state Lasers, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

    Key Lab of Functional Crystal and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190;

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