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Pulse delay-controlled passive Q-switched laser with tunable pulse width

机译:脉冲延迟控制的无源Q开关激光可调脉冲宽度

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摘要

We present a method for obtaining a passive Q-switched Nd: YAG/Cr~(4+): YAG laser with tunable pulse width. The output pulse width is tuned based on the delay time between the pumping pulse and trigger pulse. An auxiliary laser with a narrow pulse is used to trigger the laser pulse generation at different delay times during the pumping pulse duration. It is found that the output pulse width can be continuously adjusted from 1415 to 562 ps with an output peak power ranging from 44 to 240 kW at a fixed pumping power. The beam quality factor M~2 is kept <1.5 with changing of the pulse width.
机译:我们介绍了一种获取被动Q开关的Nd:YAG / Cr〜(4+):YAG激光器,可调脉冲宽度。基于泵浦脉冲和触发脉冲之间的延迟时间来调谐输出脉冲宽度。具有窄脉冲的辅助激光器用于在泵送脉冲持续时间期间在不同延迟时间处触发激光脉冲产生。发现输出脉冲宽度可以从1415到562 PS连续调节,输出峰值功率在固定泵送电力下的44至240kW。光束质量因子M〜2保持<1.5,随着脉冲宽度的变化而保持<1.5。

著录项

  • 来源
    《Optical engineering》 |2019年第3期|036102.1-036102.7|共7页
  • 作者

    Teng Sun; Jianguo Xin;

  • 作者单位

    Beijing Institute of Technology School of Information and Electronics Haidian District Beijing China;

    Beijing Institute of Technology School of Information and Electronics Haidian District Beijing China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    solid state lasers; tunable pulse width; passive Q-switched lasers;

    机译:固态激光器;可调脉冲宽度;被动Q切换激光器;

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