100J侧面滑闪预电离TE CO_2激光器  

100J TE CO_2 Laser with Side-Sliding Discharge Preionization

作　　者：柯常军[1] 谭荣清[1] 郑义军[1] 张阔海[1] 吴谨[1] 万重怡[1] 刘世明[1] 石海霞[1] 

机构地区：[1]中国科学院电子学研究所,北京100080

出　　处：《中国激光》2006年第8期1009-1012,共4页Chinese Journal of Lasers

基　　金：中国科学院知识创新工程领域前沿项目(D5067)资助课题

摘　　要：提出了一种新型侧面滑闪放电技术,为TE CO2激光器均匀放电提供高效、均匀的紫外预电离。采用这种技术,成功实现5.5 cm电极间距的高气压CO2均匀放电,放电截面达27.5 cm2。放电体积为5.5 cm×5 cm×90 cm的单元模块采用V(CO2)∶V(N2)∶V(He)=1∶1∶4的混合气体在60 kPa的气压下,获得了53 J的激光脉冲输出,激光比输出能量达3.46×10-4J/(L.Pa)。采用简单的谐振腔,利用两个相同的单元模块串联实现了103 J的激光输出。实验表明双模块器件存在很强的激光脉冲能量增强效应,双模块串联输出的激光能量比单模块激光能量的两倍还大15%。The development of a new side-sliding discharge scheme can provide efficient uniform ultraviolet （UV） preionization for transverse excitation （TE） CO2 laser. The use of the scheme has resulted in the successful generation of CO2 laser discharges between electrodes separated by 5.5 cm, total cross section is 27.5 cm^2. The, laser is modular in construction, under the condition of V（CO2 ）：V（N2 ）：V（He）= 1：1：4 mixtures and 60 kPa gas pressure, a modular with active discharge volume 5.5 cm× 5 cm× 90 cm has yielded output energy of 53 J, the specific output energy ratio is 3.46 × 10^-4 J/（L · Pa）. When a pair of discharge modulars are employed in series in a simple oscillator configuration, output energy of 103 J is yielded. An effect of laser energy enhancement occurs in dual-modular, the output energy of dual-modular is 15 % higher than twifold energy of single modular.

关 键 词：激光技术 滑闪放电 紫外预电离 TE CO2激光器 

分 类 号：TN248.22[电子电信—物理电子学]