基于MgO:APLN的1.57m/3.84m连续波内腔多光参量振荡器研究

于永吉; 陈薪羽; 成丽波; 王超; 吴春婷; 董渊; 李述涛; 金光勇

doi:10.7498/aps.64.224215

摘要

报道了一种基于MgO:APLN实现1.57 m和3.84 m跨周期参量光连续输出的内腔抽运多光参量振荡器. 采用1064 nm谐振腔与多光参量振荡腔折叠型复合结构, 综合考虑高功率抽运下谐振腔的热稳定性及多光参量振荡过程的光斑模式匹配, 通过对两个子腔谐振结构的数值模拟分析, 确定了最佳腔型参数. 在此基础上, 进一步研究了谐振参量光透过率对振荡阈值、抽运光下转换效率、输出功率稳定性的影响, 最终实现了3.13 W的1.57 m和0.85 W的3.84 m参量光输出, 对应斜效率为6.8%和1.9%, 输出功率稳定性分别达到了1.8%和3%.

关键词:

Abstract

Continuous-wave (CW) coherent sources emitting two wavelengths of 1.57 m and 3.84 m have aroused much interest of scientists due to their many applications such as military multiband composite guidance, remote monitoring of the special environment, etc. Quasi-phase matching (QPM) optical parametric oscillator (OPO) device with periodically inverted structure of nonlinear coefficient can implement an efficient and wavelength conversion at arbitrary wavelength in the transparent range of the QPM material. Nowadays, using MgO:PPLN for QPM, various MgO:PPLN-OPOs pumped by conventional 1.06 m laser source can produce 1.57 m and 3.84 m laser and also achieve good results. But as a result of the limitation of momentum conservation condition and periodically poled structure, 1.57 m and 3.84 m laser can only meet a single band. To obtain the two-wavelength laser output at the same time, the MgO:PPLN-OPO could not be applied. In this paper, a CW 1.57 m and 3.84 m intra-cavity multiple optical parametric oscillator based on MgO:APLN is reported. The cross period parameter light is obtained by using a folded type doubly cavity which consists of 1064 nm resonator and multiple optical parametric oscillator. Considering both its thermal stability under high power pump and the light spot mode matching of multiple optical parametric oscillation process, through numerical simulation and theoretical analysis of two sub cavities, the optimum parameters of the cavity structure are determined. On this basis, the influences of output coupler transmittance on oscillation threshold, the down-conversion efficiency, output power stability are investigated in experiment. With T=10% at 1.47 m and 3.3 m output coupler used, the maximum output powers of 3.13 W at 1.57 m and 0.85 W at 3.84 m are obtained, corresponding to slope efficiencies of 6.8% and 1.9%, respectively. The power stabilities are better than 1.8% and 3% at the maximum output power in half an hour. The experimental results show that the intra-cavity multiple optical parametric oscillator based on a single poled crystal MgO:APLN is an effective method of obtaining a 1.57 m and 3.84 m CW laser.

Keywords:

MgO:APLN /
multiple optical parametric oscillator /
continuous-wave /
intra-cavity oscillator

作者及机构信息

1.
长春理工大学理学院, 吉林省固体激光技术与应用重点实验室, 长春 130022;

2.
长春理工大学理学院工科数学基础教学部, 长春 130022

通信作者: 金光勇, yyjcust@163.com

基金项目: 国家自然科学基金(批准号: 61240004)、吉林省中青年科技领军人才及优秀创新团队培育计划(批准号: 20121815)和吉林省青年科研基金(批准号: 20150520103JH)资助的课题.

Authors and contacts

1.
Jilin Key Laboratory of Solid Laser Technology and Application, School of Science, Changchun University of Science and Technology, Changchun 130022, China;

2.
Department of Engineering Mathematics Basic Teaching, School of Science, Changchun University of Science and Technology, Changchun 130022, China

Corresponding author: Jin Guang-Yong, yyjcust@163.com

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61240004), the Science and Technology Department Project of Jilin Province, China (Grant No. 20121815), and the Natural Science Foundation for Young Scientists of Jilin Province, China (Grant No. 20150520103JH).

参考文献

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施引文献

[1]	Liu T, Wang X B, Liu L, Li X, Hou J 2011 Chin. J. Lasers 38 1202003 (in Chinese) [刘通, 汪晓波, 刘磊, 李霄, 侯静 2011 中国激光 38 1202003]
[2]	Lin D J, Alam S, Shen Y H, Chen T, Wu B, Richardson D J 2012 Opt. Express 20 15008
[3]	Wu B, Kong J, Shen Y H 2010 Opt. Lett. 35 1118
[4]	Peng Y F, Wang W M, Wei X B, Li D M 2009 Opt. Lett. 34 2897
[5]	Ding X, Zhang S M, Ma H M, Pang M, Yao J Q, Li Z 2008 Chin. Phys. B 17 211
[6]	Ding X, Yao J Q, Yu Y Z, Yu X Y, Xu J J, Zhang G Y 2001 Chin. Phys. 10 725
[7]	Miao J G, Pan Y Z, Qu S L 2011 Chin. Phys. Lett. 28 124206
[8]	Hemming A, Richards J, Davidson A, Carmody N, Bennetts S, Simakov N, Haub J 2013 Opt. Express 21 10062
[9]	Yao B Q, Li G, Zhu G L, Meng P B, Ju Y L, Wang Y Z 2012 Chin. Phys. B 21 034213
[10]	Taniguchi H, Yamamoto S, Hirano Y 2001 Mitsubishi Cable Industries Review 98 88
[11]	Peng Y F, Wei X B, Wang W M, Li D M 2010 Opt. Commun. 283 4032
[12]	Sowade R, Breunig I, Kiessling J, Buse K 2009 Appl. Phys. B 96 25
[13]	Kumar S C, Das R, Samanta G K, Zadeh M E 2011 Appl. Phys. B 102 31
[14]	Sheng Q, Ding X, Shi C P, Yin S J, Li B, Shang C, Yu X Y, Wen W Q, Yao J Q 2012 Opt. Express 20 8041
[15]	Li B, Ding X, Sheng Q, Yin S J, Shi C P, Li X, Yu X Y, Wen W Q, Yao J Q 2012 Chin. Phys. B 21 014207
[16]	Ding X, Sheng Q, Chen N, Yu X Y, Wang R, Zhang H, Wen W Q, Wang P, Yao J Q 2009 Chin. Phys. B 18 4314
[17]	Henderson A, Esquinasi P 2010 Proc. SPIE 7580 75800D
[18]	van Herpen M M J W, Bisson S E, Harren F J M 2003 Opt. Lett. 28 2497
[19]	Yu Y J, Chen X Y, Wang C, Wu C T, Dong Y, Li S T, Jin G Y 2015 Acta Phys. Sin. 64 044203 (in Chinese) [于永吉, 陈薪羽, 王超, 吴春婷, 董渊, 李述涛, 金光勇 2015 64 044203]
[20]	Geng A C, Zhao C, Bo Y, Lu Y F, Xu Z Y 2008 Acta Phys. Sin. 57 6987 (in Chinese) [耿爱丛, 赵慈, 薄勇, 鲁远甫, 许祖彦 2008 57 6987]
[21]	L B D 2003 Laser Optics (Beijing: Higher Education Press) p343 (in Chinese) [吕百达 2003 激光光学 (北京: 高等教育出版社) 第343页]

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