Passively Q-switched Nd~(3+):YAG laser with corner cube 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Passively Q-switched Nd~(3+):YAG laser with corner cube

作者姓名：	高伟清姚功民许立新程勇明海谢建平

作者单位：	Department of Physics University of Science and Technology of China，Department of Physics University of Science and Technology of China，Department of Physics University of Science and Technology of China，Optics Teaching and Research Room of Ordnance Noncommissioned Officer School，Department of Physics University of Science and Technology of China，Department of Physics University of Science and Technology of China Hefei 230026，Hefei 230026，Hefei 230026，Wuhan 430064，Hefei 230026，Hefei 230026

摘要：	A passively Q-switched Nd3 :YAG laser with corner cube is theoretically and experimentally studied. We analyze the polarization variation in cavity and simulate the peak power, pulse energy and pulse width changed with the rotation angle of corner cube numerically. An experiment is made to verify the theoretical results. With rotating the angle of corner cube about the axis the variation range of peak power is 1.77 MW (from 10.36 to 8.59 MW), and that of pulse energy is 14.9 mJ (from 159.5 to 174.4 mJ), the fluctuation of pulse width is 2.95 ns. The experimental results agree with the theoretical analysis to the extent of variation rules. The most dynamic to static energy ratio of 62.5% is achieved.
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