| LD脉冲侧面泵浦Nd∶YAG电光调Q低重频窄脉宽紫外激光器 |
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| 引用本文： | 白杨,刘沛沛,沈兆国,任兆玉,白晋涛.LD脉冲侧面泵浦Nd∶YAG电光调Q低重频窄脉宽紫外激光器[J].光子学报,2009,38(7):1617-1620. |
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| 作者姓名： | 白杨 刘沛沛 沈兆国 任兆玉 白晋涛 |
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| 作者单位： | 西北大学,光子学与光子技术研究所,陕西省全固态激光及应用工程技术研究中心,西安,710069 |
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| 基金项目： | 陕西省自然科学基金重点项目 |
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| 摘 要： | 介绍了在1~20 Hz电光调Q情况下,半导体脉冲激光侧面泵浦Nd∶YAG晶体腔外四倍频266 nm紫外激光器的输出特性.实验采用直腔结构,在腔外分别利用KTP和BBO晶体产生532 nm倍频绿光、266 nm四倍频紫外激光.当泵浦电流为120 A、重复率为1 Hz时,266 nm紫外激光最大单脉冲能量为15.4 mJ、脉宽8 ns,峰值功率高达1.93 mW;重复率20 Hz时,获得了最大平均功率为156.2 mW的266 nm紫外激光输出,四倍频的转换效率为10.63％.同时利用一组分光镜,获得了352 mW的532 nm脉冲绿光和423 mW的1 064 nm脉冲红外光输出.
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| 关 键 词： | 半导体激光脉冲侧面泵浦 四倍频 窄脉宽 高峰值功率 紫外激光器 |
| 收稿时间： | 2008-12-29 |
| 修稿时间： | 2009-02-17 |
LD pulse Side-pumped E-O Q-switched Nd:YAG UV Laser with Short Pulse Width at Low Repetition Rate |
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| BAI Yang,LIU Pei-pei,SHEN Zhao-guo,REN Zhao-yu,BAI Jin-tao.LD pulse Side-pumped E-O Q-switched Nd:YAG UV Laser with Short Pulse Width at Low Repetition Rate[J].Acta Photonica Sinica,2009,38(7):1617-1620. |
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| Authors: | BAI Yang LIU Pei-pei SHEN Zhao-guo REN Zhao-yu BAI Jin-tao |
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| Institution: | Institute of Photonics & Photon-technology;Shanxi Engineering Technology Research Center for All Solid State Laser and Application;Northwest University;Xi'an 710069;China |
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| Abstract: | Using BBO single pass fourth harmonic generation,the characteristic of a pulsed laser diode(LD) side-pumped Nd:YAG crystal electro-optic Q-switched with the repetition rate from 1 to 20 Hz ultraviolet laser at 266 nm was presented.In the experiment,a simple straight cavity adopted KTP and BBO crystal were used for the second-harmonic generation and the fourth-harmonic generation differently.When the incident pumping current being 120 A at the repetition rate of 1 Hz,the largest single pulse energy of 15.4 m... |
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| Keywords: | LD pulse side-pumped Fourth harmonic generation Narrow width High peak power Ultraviolet laser |
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