皮秒激光微束仪的研制  

DEVELOPMENT ON MICROBEAMER OF PS LASER

作　　者：郭启霞[1] 张家奎[1] 刘佩田[1] 王佩琳[1] 

机构地区：[1]中国科学院安徽光机所

出　　处：《激光生物学》1992年第2期92-95,共4页Acta Laser Biology Sinica

摘　　要：本文分析了激光微束仪的设计要点,通光孔径的选取,聚焦系统与观察系统的齐焦,微小光斑获得等。激光微束仪的光源是具有多次谐波功能的皮秒Nd^(+3)YAG激光器,工作频率(10PPS),输出能量为50毫焦耳,平均脉宽为30PS的基波序列脉冲,可选波长为1.06μm、0.53μm、0.355μm、0.266μm,谐波晶体用偏硼酸钡(β-BaB_2O_4),简称BBO。Some main designing parameters of Microbeamer, such as the selection of clear aperture, the confocal point of focusing and observing systems, the obtainment of microspot of light,are analysed in the paper.the optical source for the microbeamer is a Mode-locked.Nd+3 : YAG laser with output of multiharmonic.Operation frequency is lopps,output energe 50mJ,average pulse duration 30 ps of the fundamental series, selectable wave lengths l.06um 0.53um,0.355um,0.266um,the harmonic crystal is (β-BaB2O4,called BBO for short.

关 键 词：皮秒激光器 微光束 细胞 

分 类 号：TN24[电子电信—物理电子学]