中国激光, 2019, 46 (2): 0208003, 网络出版: 2019-05-09
532 nm激光抽运CO2气体的多光谱拉曼激光 下载: 1197次
Multispectral Raman Laser in CO2 Gas Pumped by 532 nm Laser
激光光学 受激拉曼散射 二氧化碳 一级斯托克斯光 高级斯托克斯光 反斯托克斯光 laser optics stimulated Raman scattering carbon dioxide first-order Stokes high order Stokes anti-Stokes
摘要
基于受激拉曼散射(SRS),研究了一种获得多光谱激光的方法。以Nd∶YAG的二倍频532 nm激光为抽运光,以高压CO2作为拉曼活性介质,最多可同时输出位于390~755 nm的10种波长。通过优化CO2压力,得到一级斯托克斯光(S1,574 nm)、二级斯托克斯光(S2,624 nm)和三级斯托克斯光(S3,683 nm)的最大光子转换效率分别为36.6%、19.6%和11.2%。
Abstract
Based on stimulated Raman scattering (SRS), we study a method for obtaining multispectral laser. The frequency doubled Nd∶YAG laser at 532 nm is used as the pumping light, and the high pressure CO2 is used as Raman active medium, and ten different Stokes lasers between 390 nm and 755 nm are generated simultaneously. By optimizing CO2 pressure, the maximum photon conversion efficiencies for first-order Stokes (S1, 574 nm), second-order Stokes (S2, 624 nm) and third-order Stokes (S3, 683 nm) reach 36.6%, 19.6% and 11.2%, respectively.
李仲慧, 刘栋, 蔡向龙, 卞进田, 王颜超, 王鹏远, 陈莹, 刘金波, 胡墅, 李慧, 郭敬为. 532 nm激光抽运CO2气体的多光谱拉曼激光[J]. 中国激光, 2019, 46(2): 0208003. Zhonghui Li, Dong Liu, Xianglong Cai, Jintian Bian, Yanchao Wang, Pengyuan Wang, Ying Chen, Jinbo Liu, Shu Hu, Hui Li, Jingwei Guo. Multispectral Raman Laser in CO2 Gas Pumped by 532 nm Laser[J]. Chinese Journal of Lasers, 2019, 46(2): 0208003.