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Optimization of the pulse width and injection time in a double-pass laser amplifier

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摘要

We have optimized the input pulse width and injection time to achieve the highest possible output pulse energy in a double-pass laser amplifier using two Nd:YAG rods. For this purpose, we have extended the Frantz-Nodvik equation by simultaneously including both spontaneous emission and pump energy variation. The effective pump energy of the flash-lamp was 8.84 <i></i>J for each gain media. The energy of 1 <i></i>J could be amplified to output energy of 12.17 <i></i>J with the maximum achieved extraction efficiency of 63.18% when an input pulse having a pulse width of 168 <i></i>μs is sent 10 <i></i>μs after the absorbed pump energy becomes the maximum value.

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作者单位:

    Handong Global University
    Handong Global University
    Handong Global University

引用该论文

Park Daewoong,Jeong Jihoon,Yu Tae Jun. Optimization of the pulse width and injection time in a double-pass laser amplifier[J].High Power Laser Science and Engineering,,():.