高光束质量磷酸盐钕玻璃板条多程放大系统的研究  

Study of phosphate Nd∶glass slab multipass amplifier system with high beam quality

作　　者：吕百达[1] 邵怀宗[1] 冯国英 罗时荣 蔡邦维 

机构地区：[1]四川大学激光物理与化学研究所

出　　处：《激光技术》1998年第5期261-264,共4页Laser Technology

基　　金：国家高技术惯性约束聚变主题

摘　　要：建立了磷酸盐钕玻璃布儒斯特角板条激光振荡多程放大系统，其中，提出了用两棱镜折返光路的新型三程放大器，用Ｃｒ４＋∶ＹＡＧ色心晶体作为被动Ｑ开关。实验得到高光束质量（Ｍ２ｘ＝１．４９和Ｍ２ｙ＝１．５７）和能量增益为２３的激光脉冲输出。实验数据与数值计算结果比较，符合得较好。A phosphate Nd∶glass Brewster angled slab oscillator and multipass amplifier system has been built up,where a novel three pass amplifier with two prisms has been proposed and a Cr 4+ ∶YAG colour center crystal has been used as the passive Q switcher.In our experiment the output with high beam quality of M 2 x =1.49 and M 2 y =1.57 and with an energy gain of 23 has been achived.The experimental data have been compared with the numerical calculation results,showing a good consistency.

关 键 词：磷酸盐钕玻璃 板条 多程放大器 光束质量 激光 

分 类 号：TN244[电子电信—物理电子学] TN241