大能量多波段皮秒激光技术研究  

Key technology of large energy multi-band picosecond laser

作　　者：姜志兴 毛小洁[1] 庞庆生[1] 邹跃[1] 秘国江[1,2] 姜东升[1,2] 

机构地区：[1]华北光电技术研究所,北京100015 [2]固体激光技术重点实验室,北京100015

出　　处：《激光与红外》2014年第9期994-997,共4页Laser & Infrared

摘　　要：针对大能量多波段皮秒激光器的技术要求,提出了采用新型无独立单选模块再生放大技术,研究和分析了高功率密度下大能量激光放大系统的抗激光损伤技术、高效倍频、和频及四倍频技术。在重复频率10 Hz时,实现1064μnm输出单脉冲能量239.8 mJ,放大倍数达到108倍,峰值功率密度为40 GW/cm2以上。For the technical requirements of large energy multi-band picosecond laser,the regenerative amplification technology of new non-independent radio modules is proposed,laser damage resistance technology,efficient frequency doubling,sum frequency and quadruplicated frequency technology of large energy laser amplifier system were re-searched and analyzed under high power density.When the repetition frequency is 10 Hz,the output pulse energy of 1064 μm is 239.8 mJ,magnification reaches to 108 times,the peak power density is above 40 GW/cm2.

关 键 词：皮秒激光器 再生放大技术 倍频 和频 四倍频 多波段 大能量 

分 类 号：TN248.1[电子电信—物理电子学]