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用国产连续输出功率为１．５Ｗ的半导体激光泵浦Ｎｄ：ＹＡＧ激光器，获得了预激光调Ｑ单纵模激光输出，调Ｑ脉冲幅度起伏小于±１％，输出单纵模线宽小于２５ＭＨｚ。
The laser output of pre-laser Q-switched single longitudinal mode was obtained by using a semiconductor laser-pumped Nd: YAG laser with a continuous output power of 1.5W. The Q-switched pulse amplitude fluctuated less than ± 1% and the output single longitudinal mode linewidth was less than 25MHz.