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| 579 nm外腔式拉曼激光器传输耦合方程的数值计算 | |
| 引用本文： | 郭家锡,陆宝乐,张韧剑,惠丹,张豪磊,任兆玉,白晋涛.579 nm外腔式拉曼激光器传输耦合方程的数值计算[J].应用光学,2011,32(5):1044-1048. |
| 作者姓名： | 郭家锡 陆宝乐 张韧剑 惠丹 张豪磊 任兆玉 白晋涛 |
| 作者单位： | 1. 西北大学 光子学与光子技术研究所，陕西 西安 710069； 2.陕西省全国态激光工程及应用技术研究中心，陕西 西安 710069 |
| 摘 要： | 为了提高以KGd(WO4)2晶体为拉曼介质的外腔式拉曼激光器的输出功率和转化效率，采用面积求和法编制matlab计算程序，对该激光器的传输耦合方程进行数值求解。计算得到了一至三阶斯托克斯光输出光强随时间的变化规律和受激拉曼散射的弛豫振荡过程。得出：拉曼谐振腔输出耦合镜对一阶斯托克斯光的反射率越高，拉曼谐振腔内的一阶斯托克斯光功率密度就越高，越有利于泵浦光向二阶斯托克斯光的转换。 |
| 关 键 词： | 外腔式拉曼激光器 受激拉曼散射 传输耦合方程 数值计算 KGd(WO4)2晶体 |
Numerical calculation of transfer coupling equation of external resonator Raman laser with 579 nm |
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| GUO Jia-xi,LU Bao-le,ZHANG Ren-jian,HUI Dan,ZHANG Hao-lei,REN Zhao-yu,BAI Jin-tao.Numerical calculation of transfer coupling equation of external resonator Raman laser with 579 nm[J].Journal of Applied Optics,2011,32(5):1044-1048. | |
| Authors: | GUO Jia-xi LU Bao-le ZHANG Ren-jian HUI Dan ZHANG Hao-lei REN Zhao-yu BAI Jin-tao |
| Institution: | 1. Institute of Photonics and Photo-technology, Northwest University, Xi-an 710069, China; 2. Shaanxi Engineering Technology Research Center for Solid State Lasers and Application, Northwest University, Xi-an 710069, China |
| Abstract: | In order to increase output power and conversion efficiency of the external resonator Raman laser with KGd(WO4)2 crystal,the radiation transfer equations of the laser system were solved numerically with the method of area summation.The output intensity variation of the first order to the third order Stokes with time and the relaxation oscillation of the Raman laser were obtained.It was found that increasing the reflectivity of the output coupling mirror on the Raman cavity could increase the intracavity int... |
| Keywords: | external resonator Raman laser stimulated Raman scattering radiation transfer equation numerical modeling KGd(WO4)2 |
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