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研究首次提出一种实现Ｑ开关、单纵模工作的新方法，用国产激光二极管泵浦可直接输出５ｎｓ的Ｑ开关激光脉冲，单纵模几率１００％，结构简单、紧凑，预计这种新性能的激光源在科研、国防军工等领域将有广泛应用。
A new method to realize Q-switch and single-longitudinal mode is proposed for the first time. The Q-switched laser pulse with 5ns can be output directly by domestic laser diode pump. The single longitudinal mode probability is 100%. The structure is simple and compact, and this new performance is expected The laser source in scientific research, national defense and other fields will have a wide range of applications.