波长锁定激光二极管共振泵浦Nd:YVO4晶体连续波自拉曼激光器的设计与研究

张鑫; 张蕴川; 李建; 李仁杰; 宋庆坤; 张佳乐; 樊莉

doi:10.7498/aps.66.194203

摘要

对波长锁定878.9 nm的激光二极管共振泵浦Nd：YVO4晶体的全固态连续波自拉曼激光器进行了理论研究.考虑了激光晶体在共振泵浦时的热透镜效应，采用ABCD传输矩阵法和等效G参数法，计算了当采用不同曲率半径输出镜时腔内振荡激光的腔模参数，通过比较抽运光与振荡激光模式匹配的情况和拉曼晶体中基频光功率密度的大小，分析了不同腔结构对拉曼激光输出功率的影响，给出了实验结果的理论解释，并进一步优化设计了谐振腔结构.最终获得了5.3 W的高功率1175 nm连续拉曼激光输出，光光转换效率达到20%.

关键词:

Abstract

In this paper, a continuous-wave all-solid-state Nd:YVO4 self-Raman laser in-band pumped by a wavelength-locked laser diode at 878.9 nm is theoretically investigated in detail. Considering the thermal lens effect in the laser crystal, cavity mode parameters are calculated for several output couplers with different radii of curvature, by employing the standard ABCD matrix approach and equivalent G parameter method. The influence of cavity structure on the output characteristic of the Raman laser is investigated by analyzing mode matching between the pump and the fundamental beams, as well as the fundamental intensities in the Raman crystal. This provides theoretical explanations for the experimental results, and based on the analysis above, laser cavity is optimized. Finally, a highest Raman output of 5.3 W is obtained at 1175 nm, corresponding to a diode-to-Stokes optical conversion efficiency of 20%.

Keywords:

作者及机构信息

1.
扬州大学物理科学与技术学院, 应用光子技术研究所, 扬州 225002;

2.
南京大学, 固体微结构物理国家重点实验室, 南京 210093

通信作者: 樊莉, fanli@yzu.edu.cn

基金项目: 江苏省自然科学基金青年科学基金（批准号：BK20130453）和南京大学固体微结构物理国家重点实验室开放课题（批准号：M29027）资助的课题.

Authors and contacts

1.
College of Physics Science and Technology, Institute of Applied Photonic Technology, Yangzhou University, Yangzhou 225002, China;

2.
National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China}

Corresponding author: Fan Li, fanli@yzu.edu.cn

Funds: Project supported by the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20130453) and the State Key Laboratory for Solid State Microstructures, Nanjing University, China (Grant No. M29027).

参考文献

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施引文献

[1]	Mask H P 2003 Prog. Quan. Electron. 27 3
[2]	Murray J T, Austin W L, Powell R C 1999 Opt. Mater. 11 353
[3]	Grabtchikov A S, Lisinetskii V A, Maksimenka R, Kiefer W 2004 Opt. Lett. 29 2524
[4]	Pask H M 2005 Opt. Lett. 30 2454
[5]	Dekker P, Pask H M, Piper J A 2007 Opt. Lett. 32 1114
[6]	Fan L, Fan Y X, Zhang H J, Wang H T 2009 Opt. Lett. 34 1687
[7]	Lee C Y, Chang C C, Sung C L, Chen Y F 2015 Opt. Express 23 22765
[8]	Demidovich A A, Grabtchikov A S, Orlovich V A, Kiefer W 2005 Opt. Lett. 30 1701
[9]	Dekker P, Pask H M, Spence D J, Piper J A 2007 Opt. Express 15 7038
[10]	Zhu H Y, Duan Y M, Zhang G, Huang C H, Wei Y, Chen W D, Huang L X, Huang Y D 2011 Appl. Phys. B 103 559
[11]	Kores C C, Neto J J, Geskus D, Pask H M, Wetter N U 2015 Opt. Lett. 40 3524
[12]	Lee A J, Pask H M, Piper J A, Zhang H J, Wang J Y 2010 Opt. Express 18 5984
[13]	Neto J J, Lin J, Wetter N U, Pask H 2012 Opt. Express 20 9841
[14]	Fan L, Fan Y X, Wang H T 2010 Appl. Phys. B 101 493
[15]	Lu Y F, Zhang X H, Li S T, Xia J, Cheng W B, Xiong Z 2010 Opt. Lett. 35 2964
[16]	Wang X L, Dong J, Wang X J, Xu J, Ueda K, Kaminskii A A 2016 Opt. Lett. 41 3559
[17]	Ding X, Fan C, Sheng Q, Li B, Yu X Y, Zhang G Z, Sun B, Wu L, Zhang H Y, Liu J, Jiang P B, Zhang W, Zhao C, Yao J Q https://doi.org/10.1364/OE.22.029111 2014 Opt. Express 22 29111
[18]	Fan L, Zhao W Q, Qiao X, Xia C Q, Wang L C, Fan H B, Shen M Y 2016 Chin. Phys. B 25 114207
[19]	Innocenzi M E, Yura H T, Fincher C L, Fields R A 1990 Appl. Phys. Lett. 56 1831
[20]	Mao Y F, Zhang H L, Xu L, Deng B, Sang S H, He J L, Xing J C, Xin J G, Jiang Y 2015 Acta Phys. Sin. 64 014203 (in Chinese)[毛叶飞, 张恒利, 徐浏, 邓波, 桑思晗, 何京良, 邢冀川, 辛建国, 江毅 2015 64 014203]
[21]	Sheng Q, Ding X, Li B, Yu X Y, Fan C, Zhang H Y, Liu J, Jiang P B, Zhang W, Wen W Q, Sun B, Yao J Q 2014 J. Opt. 16 105206

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