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300 W two-stage Nd:YAG Innoslab microsecond amplifier

机译：300 W两级ND：YAG InnoSlab微秒放大器

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摘要

In this paper, a two-stage partially pumped slab (Innoslab) microsecond amplifier at 1064 nm is reported. The 4.4-W single-frequency seed laser is amplified to 303.6W, with an overall optical-optical efficiency of 25.7%. The overlapping efficiency of the first- and second- amplifier stage is 67% and 55.6%, respectively. The pulse width is 145.0 mu s, at a repetition rate of 500 Hz, and the beam quality factor of M-2 is 1.84 and 1.71 in the horizontal and vertical directions, respectively. With higher overlap between the pump volume and the seed laser mode, the output power and optical-optical efficiency can be further improved. (C) 2021 Optical Society of America
机译：本文报道了一种1064nm的两级部分泵浦板条（Innoslab）微秒放大器。4.4W单频种子激光器放大到303.6W，总光学效率为25.7%。第一级和第二级放大器的重叠效率分别为67%和55.6%。脉冲宽度为145.0μs，重复频率为500hz，M-2的光束质量因子在水平和垂直方向上分别为1.84和1.71。随着抽运体积和种子激光模式之间的更高重叠，输出功率和光学效率可以进一步提高。（2021）美国光学学会

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  • 来源
    《Applied optics》 |2021年第4期|共5页
  • 作者

    Zhang Xuguang; Ye Junzhi; Luo Xingwang; Chen Xiaoming; Zhang Lei; Xu Xiafei; Ren Huaijin; Lu Yanhua; Ma Yi; Gao Qingsong; Sun Jun; Wang Weimin;

  • 作者单位

    Nankai Univ Sch Phys Tianjin 300071 Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

    Nankai Univ Sch Phys Tianjin 300071 Peoples R China;

    China Acad Engn Phys Inst Appl Elect Mianyang 621900 Sichuan Peoples R China;

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