焦耳级放电激励紫外预电离HF激光器  

Discharge-pumped joule-level HF laser with ultraviolet spark pre-ionization

作　　者：王庆胜[1] 游利兵[1] 尹广玥 褚状状 方晓东[1] 

机构地区：[1]中国科学院安徽光学精密机械研究所,合肥230031

出　　处：《强激光与粒子束》2016年第8期13-16,共4页High Power Laser and Particle Beams

基　　金：国家自然科学基金项目(61205138)

摘　　要：研制了一台采用紫外火花预电离和横向放电结构的非链式电激励脉冲HF激光装置,采用氢闸流管结合一级磁脉冲压缩开关的高功率电激励系统。实验研究了激光工作介质SF6,H2不同压强比和总工作气压对激光输出能量的影响,得出了最佳气体组分,确定了最佳工作气压。总气压在8.8kPa,气体组分H2与SF6气压比为1:9时,获得最佳的激光输出,输出能量达到1.3J,激光器的光电转换效率达到2.4%。The design and performance of a non-chain transverse excited HF laser with ultraviolet spark is described.It has high energy implantation and great energy output,and takes a high power excitation system with thyratron combined magnetic pulse compression switch.The laser pulse energy was studied in different gas pressure and fractions of the media SF6 and H2.The maximal output energy 1.3Jwas achieved under the condition of 88 kPa gas pressure with 10% H2 and 90% SF6.Laser electrooptical conversion efficiency 5.3% were obtained.

关 键 词：非链式 HF激光器 磁脉冲压缩开关 紫外预电离 

分 类 号：TN248.22[电子电信—物理电子学]