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| 全固态355 nm连续紫外激光器的优化设计 | |
| 引用本文： | 申高,檀慧明,刘飞. 全固态355 nm连续紫外激光器的优化设计[J]. 光学精密工程, 2006, 14(5): 731-735 |
| 作者姓名： | 申高 檀慧明 刘飞 |
| 作者单位： | 中国科学院,长春光学精密机械与物理研究所,吉林,长春,130033;中国科学院,研究生院,北京,100039;中国科学院,长春光学精密机械与物理研究所,吉林,长春,130033;长春理工大学,吉林,长春,130022 |
| 摘 要： | 通过优化腔型设计, 实现了LD端面抽运Nd:YVO4腔内三次谐波转换全固态连续355 nm紫外激光器高效率输出。选用平-凹腔结构并考虑到Nd:YVO4晶体的热透镜效应、模式匹配、倍频晶体位相匹配等因素对输出功率的影响,对谐振腔长进行了详细的分析计算。在激光谐振腔内, 1 064 nm的基频波经KTP晶体倍频产生532 nm激光,二者再经LBO晶体和频获得了355 nm紫外激光。当LD抽运功率为3 W时,355 nm连续紫外激光输出功率达6.4 mW。与折叠腔进行比较,发现在小功率抽运情况下,直腔结构紧凑、易于调节、输出功率较大。 |
| 关 键 词： | 连续紫外激光器 全固态激光器 355nm激光 LD抽运 和频 |
| 文章编号： | 1004-924X(2006)05-0731-05 |
| 收稿时间： | 2005-12-14 |
| 修稿时间： | 2006-09-20 |
Optimization design for all-solid-sate 355 nm continuous-wave ultraviolet laser |
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| SHEN Gao,TAN Hui-ming,LIU Fei. Optimization design for all-solid-sate 355 nm continuous-wave ultraviolet laser[J]. Optics and Precision Engineering, 2006, 14(5): 731-735 | |
| Authors: | SHEN Gao TAN Hui-ming LIU Fei |
| Affiliation: | 1. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China; 2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China; 3. Changchun University of Science and Technology, Changchun 130022, China |
| Abstract: | Alaser-diode(LD) pumped Nd:YVO4all-solid-state 355 nmcontinuous-wave(cw) ultravi-olet laser withintracavity frequency tripling and efficient output was achieved by opti mization design.By consideringinfluence of the thermal lens effect of the Nd:YVO4crystal,mode matching,phasematchinget alonlaser output power,a plate-concave cavity was designed finely.In cavity,the KTPcrystal was used for second harmonic generation(SHG) of the fundamental 1 064 nmto generate 532nmradiation,and the LBOcrystal was used as a sumfrequency(SM) of the 1064 nmradiation andthe 532 nmradiation to generate 355 nmradiation.The cw355 nmradiation of 6.4 mWis obtainedwith the pump power of 3 W.In comparison withthe fold-cavity,the linear cavity has many advanta-ges of more compact,easier for adjusting,and higher output power. |
| Keywords: | continuous-wave ultraviolet laser all-solid-state laser 355 nm laser LD-pumping sumfrequency |
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