激光技术, 2019, 43 (5): 597, 网络出版: 2019-09-09   

用于远程激光测距机的小体积高功率固体激光器

Compact solid-state lasers with high peak power used for remote laser rangefinders
作者单位
1 西南技术物理研究所, 成都 610041
2 海军装备部, 北京 100071
摘要
为了满足军用远程激光测距机对小体积高峰值功率固体激光器的应用需求, 采用短腔长、正交偏振电光调Q技术, 设计了小型风冷LD抽运Nd∶YAG固体激光器, 并对样机进行了实验验证。结果表明,激光器重量630g、重频20Hz、输出能量85mJ、脉冲宽度3.9ns、激光峰值功率21.8MW、束散角1.9mrad, 满足了小型化和高峰值功率的要求。该激光器具备较强环境适应性, 目前已实现工程化应用。
Abstract
In order to meet the application requirements of military long-distance laser rangefinders for solid-state lasers with small volume and high peak power, a small air-cooled LD-pumped Nd∶YAG solid-state laser was designed by using short cavity length and orthogonal polarization electro-optic Q-switched technology. The prototype was verified by experiments. The results show that, the laser with weight of 630g, repetition frequency of 20Hz, output energy of 85mJ, pulse width of 3.9ns, laser peak power of 21.8MW and beam divergence angle of 1.9mrad meets the requirements of miniaturization and high peak power. The laser has strong environmental adaptability and has been applied in engineering.

高恒, 刘佳铭, 杨闯, 赵刚, 李斌, 彭绪金, 刘亚萍. 用于远程激光测距机的小体积高功率固体激光器[J]. 激光技术, 2019, 43(5): 597. GAO Heng, LIU Jiaming, YANG Chuang, ZHAO Gang, LI Bin, PENG Xujin, LIU Yaping. Compact solid-state lasers with high peak power used for remote laser rangefinders[J]. Laser Technology, 2019, 43(5): 597.

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