强激光内光路传输的热晕效应实验研究  

Experimental Research on Thermal Blooming Effects of High Energy Laser Internal Optical Transmission

作　　者：张建晖 史春鹏 ZHANG Jian-hui;SHI Chun-peng(Academy of Opto-Electronics,China Electronics Technology Group Corporation(AOE CETC),Tianjin 300308,China)

机构地区：[1]中国电子科技集团公司光电研究院,天津300308

出　　处：《光电技术应用》2020年第3期45-49,共5页Electro-Optic Technology Application

摘　　要：讨论了强激光大气传输,特别是在内光路传输时的热晕效应问题,分析了热晕效应中不同影响因素对输出光束质量的影响,设计并搭建测试系统,实验验证了内光路热晕效应对光束质量影响的存在,以及内光路气体流动与密封充氮两种手段对消除热晕影响的积极作用,同时总结了强激光系统设计过程中降低内光路热晕影响的几点思路。The thermal blooming effects of high-energy laser atmospheric transmission is discussed,especially in the internal optical path.The influence elements on output beam quality in thermal blooming effects are analyzed.Testing systems are designed and built.Experimental results verify that the beam quality is influenced by thermal blooming effects in internal optical path and two methods such as atmospheric flowing in optical path and filling N2 after sealing for eliminating thermal blooming effectively.And ideas reducing the influence from thermal blooming effects in internal optical path during high energy laser system design are summarized.

关 键 词：热晕效应 强激光系统 内光路 光束质量 

分 类 号：TN241[电子电信—物理电子学]