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首页> 中文期刊> 《中国物理快报：英文版》 >High Power Continuous-Wave and Acousto-Optic Q-Switched Nd:GdVO4 Laser Operated at 912 nm

High Power Continuous-Wave and Acousto-Optic Q-Switched Nd:GdVO4 Laser Operated at 912 nm

         
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摘要

We present a high power and efficient operation of the 4F3/2→4I9/2transition in Nd:GdVO4 at 912 nm.In the cw mode,the maximum output power of 8.6 W is achieved when the incident pump power is 40.3W,leading to a slope efficiency of 33.3%and an optical-optical efficiency of 21.3%.To the best of our knowledge,this is the highest cw laser power at 912nm obtained with the conventional Nd:GdVO4 crystal.Pulsed operation of 912 nm laser has also been realized by inserting a small acousto-optic (A-O)Q-Switch inside the resonator.As a result,the minimal pulse width of 20ns and the average laser power 1.43 W at the repetition rate of 10kHz are obtained,corresponding to 7.1 kW peak power.We believe that this is the highest laser peak power at 912 nm.Furthermore.duration of 65 ns has also been acquired when the repetition rate is 100 kHz.

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  • 来源
    《中国物理快报：英文版》 |2008年第1期|119-121|共3页
  • 作者

    GAO Jing; Yu Xin; CHEN Fei; LI Xu-Dong; ZHANG Zhen; YU Jun-Hua; WANG Yue-Zhu;

  • 作者单位

    Institute of Opto-Electronics,Harbin Institute of Technology,Harbin 150001;

    Institute of Opto-Electronics,Harbin Institute of Technology,Harbin 150001;

    Institute of Opto-Electronics,Harbin Institute of Technology,Harbin 150001;

    Institute of Opto-Electronics,Harbin Institute of Technology,Harbin 150001;

    Institute of Opto-Electronics,Harbin Institute of Technology,Harbin 150001;

    Institute of Opto-Electronics,Harbin Institute of Technology,Harbin 150001;

    Institute of Opto-Electronics,Harbin Institute of Technology,Harbin 150001;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 物理学;
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