15.5 W全固态腔外和频589 nm黄光激光器

鲁燕华; 张雷; 刘晟西; 魏彬; 唐淳; 武德勇; 王卫民

doi:doi:10.3788/cjl20103709.2419

中国激光, 2010, 37 (9): 2419, 网络出版: 2010-08-19

15.5 W全固态腔外和频589 nm黄光激光器

15.5 W All-Solid-State Extra-Cavity Sum-Frequency Generation 589 nm Yellow Laser

论文大纲

鲁燕华 ^*张雷刘晟西魏彬唐淳武德勇王卫民

作者单位

中国工程物理研究院应用电子学研究所,四川绵阳 621900

激光器全固态腔外和频黄光激光 LBO晶体 lasers all-solid-state extra-cavity sum-frequency generation yellow laser LBO crystal

摘要

报道了一台平均功率15.5 W,重复频率5 kHz的激光二极管(LD)抽运全固态589 nm黄光激光器。用声光调Q的LD抽运Nd:YAG固体激光器产生1064 nm与1319 nm的基频光,并在腔外通过两块LBO晶体和频产生589 nm黄光激光。为提高和频转换效率,对1064 nm与1319 nm基频光的功率配比及脉冲宽度进行了优化设计,并采用电子学延迟技术使二者在时域上同步。当1064 nm和1319 nm基频光总平均功率为140 W,匹配温度为43.5 ℃时,获得了15.5 W的589 nm激光输出,和频效率约11.1%,重复频率5 kHz,脉宽约110 ns。

Abstract

A 15.5-W average power,5-kHz repetition rate laser diode(LD) pumped all-solid-state 589 nm yellow laser was reported.Two acoustic-optic Q-switched LD pumped Nd:YAG lasers of 1064 nm and 1319 nm were used as the basic-frequency lasers.The 589 nm yellow laser was generated by extra-cavity sum-frequency generation(SFG).To get high SFG efficiency,the power ratio and pulse widths of 1064 nm and 1319 nm were optimized.Moreover,the electronic delay technology was employed to make the two lasers time-synchronization.When the total power of 1064 nm and 1319 nm was 140 W,the output power of 589 nm laser was 15.5 W at the matching temperature of 43.5 ℃.The conversion efficiency of SFG was about 11.1%.The repetition frequency of the laser was 5 kHz with the pulse width of about 110 ns.

参考文献

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鲁燕华, 张雷, 刘晟西, 魏彬, 唐淳, 武德勇, 王卫民. 15.5 W全固态腔外和频589 nm黄光激光器[J]. 中国激光, 2010, 37(9): 2419. Lu Yanhua, Zhang Lei, Liu Shengxi, Wei Bin, Tang Chun, Wu Deyong, Wang Weimin. 15.5 W All-Solid-State Extra-Cavity Sum-Frequency Generation 589 nm Yellow Laser[J]. Chinese Journal of Lasers, 2010, 37(9): 2419.

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