Research for the relation between small signal gain coefficientand pump-energy density of high-power off-axis two-pass amplification
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jiang dong-bin,
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zhu qi-hua,
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jing feng,
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liu hong-jie,
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zhang qing-quan,
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zuo ming,
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zhang kun,
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peng zhi-tao,
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liu lan-qin,
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cheng xiao-feng,
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chen bo,
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xie xu-dong,
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su chun-yan
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Abstract
The purpose of this experiment is to describe that high-power large-aperture, square beam off-axis two-pass amplifier in multi-pass laser amplifier facility have been realized, and the gain coefficient of the laser amplifier have been tested. Under the condition of charge voltage 22kV and pump-energy density 10.24J/cm3, obtain small signal gain coefficient 4.08%cm-1.
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