| Diode-pumped Q-switched Extra-cavity Frequency-doubled Nd：YVO4/KTP Green Laser |
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| 作者姓名： | YANG Ji-min LIU Jie HE Jing-liang |
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| 作者单位： | College of Phys. and Electron., Shandong Normal University, Jinan 250014, CHN |
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| 基金项目： | Foundation item： Key Project of Natural Science Foundation from Shandong Province（Z2003A01） |
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| 摘 要： | A diode-pumped acousto-optical（A-O） Q-switched extra-cavity frequency-doubled Nd：YVO4/KTP （KTiOPO4） green laser formed with a simple plane-plane cavity has been demonstrated. With the incident pump power of 12.7W, A-O Q-switched average output power at 1064nm was 3.81W with a duration of 25 ns at a repetition rate of 20 kHz, extra-cavity frequency doubling with KTP as the nonlinear crystal yielded the maximum output power of 1. 92 W at 532 nm, the corresponding optical conversion efficiency from 1064nm to 532nm light is 50.4%. The continuous-wave（CW） laser properties of diodepumped Nd：YVO4 crystal operating at 1064nm have been studied. With the incident pump power of 25 W, the maximum CW output power of 13.81 W was obtained with the corresponding optical conversion efficiency of 55.24%.
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| 关 键 词： | 二极管 转换开关 双频开关 循环率 激光技术 |
| 文章编号： | 1007-0206（2005）03-0166-04 |
| 收稿时间： | 2004-12-24 |
| 修稿时间： | 2005-01-17 |
Diode-pumped Q-switched Extra-cavity Frequency-doubled Nd∶YVO4/KTP Green Laser |
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| YANG Ji-min LIU Jie HE Jing-liang.Diode-pumped Q-switched Extra-cavity Frequency-doubled Nd∶YVO4/KTP Green Laser[J].Semiconductor Photonics and Technology,2005,11(3):166-169. |
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| Authors: | YANG;Ji-min;LIU;Jie;HE;Jing-liang |
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| Abstract: | A diode-pumped acousto-optical(A-O) Q-switched extra-cavity frequency-doubled Nd∶YVO4/ KTP (KTiOPO4) green laser formed with a simple plane-plane cavity has been demonstrated. With the incident pump power of 12.7 W, A2O Q-switched average output power at 1 064 nm was 3.81 W with a duration of -5 ns at a repetition rate of 20 kHz, extra-cavity frequency doubling with KTP as the nonlinear crystal yielded the maximum output power of 1. 9- W at 532 nm, the corresponding optical conversion efficiency from 1 064 nm to 532 nm light is 50.4%. The continuous-wave(CW) laser properties of diode- pumped Nd∶YVO4crystal operating at 1 064 nm have been studied. With the incident pump power of 25 W, the maximum CW output power of 13.81 W was obtained with the corresponding optical conversion efficiency of 55.24%. |
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| Keywords: | Diode-pump A-O Q-switch Extra-cavity frequency-doubled Nd∶YVO4 |
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