中国激光, 2018, 45 (3): 0308001, 网络出版: 2018-03-20
1064 nm Nd∶YAG激光抽运二氧化碳气体中的受激拉曼散射 下载: 1213次
Stimulated Raman Scattering in Carbon Dioxide Gas Pumped by Nd∶YAG Laser at 1064 nm
图 & 表
图 1. 二氧化碳气体中的受激拉曼散射实验装置
Fig. 1. Experimental setup of stimulated Raman scattering in CO2 gas
图 2. 不同级别的斯托克斯光和剩余抽运激光在相纸上的烧斑图
Fig. 2. Burn spots of Stokes light and residual pump laser with different orders in photographic paper
图 3. 焦距为1.0 m和不同气压下,AS1、S0、S1、S2光子转化率随抽运能量的变化。(a) 4 MPa;(b) 3 MPa;(c) 2 MPa;(d) 1 MPa
Fig. 3. Photon conversion efficiency of Stokes light AS1, S0, S1, S2 as function of pump energy under the conditions of focal length of 1.0 m and different gas pressures. (a) 4 MPa; (b) 3 MPa; (c) 2 MPa; (d) 1 MPa
图 4. 不同焦距时S1转换效率随气压的变化
Fig. 4. Photon conversion efficiency of S1 as function of pressure with different focal lengths
图 5. 1 MPa条件下模拟及实验获得的S1量子转换效率随焦距的变化关系
Fig. 5. Photon conversion efficiency of S1 as function of focal length in simulation and experiment at 1 MPa
表 1模拟参数
Table1. Simulation parameters
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李仲慧, 刘栋, 蔡向龙, 张莹莹, 王颜超, 王鹏远, 陈莹, 刘金波, 胡墅, 李慧, 郭敬为. 1064 nm Nd∶YAG激光抽运二氧化碳气体中的受激拉曼散射[J]. 中国激光, 2018, 45(3): 0308001. Li Zhonghui, Liu Dong, Cai Xianglong, Zhang Yingying, Wang Yanchao, Wang Pengyuan, Chen Ying, Liu Jinbo, Hu Shu, Li Hui, Guo Jingwei. Stimulated Raman Scattering in Carbon Dioxide Gas Pumped by Nd∶YAG Laser at 1064 nm[J]. Chinese Journal of Lasers, 2018, 45(3): 0308001.