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介绍了一种采用色散型布儒斯特棱镜扩束器调谐的脉冲钛宝石激光系统，通过泵浦光反馈泵浦，使转换效率提高了～８％；采用色散型布儒斯特棱镜扩束器加光栅（或平面镜）调谐，实现了窄线宽可调谐输出，输出激光能量为２３ｍＪ，转换效率达１９％．调谐范围为６８０～９１３ｎｍ，输出激光线宽小于０．０１ｎｍ。
A pulsed Ti: sapphire laser tuned using a dispersive Brewster prism beam expander was introduced, which improved the conversion efficiency by ~ 8% with a pump light feedback pump. The dispersive Brewster prism beam expander The device plus grating (or mirror) tuned to achieve a narrow linewidth tunable output with an output laser power of 23mJ and a conversion efficiency of 19%. Tuning range of 680 ~ 913nm, the output laser linewidth less than 0.01nm.