| Numerical Modelling of QCW-Pumped Passively Q-Switched Nd：YAG Lasers with Cr^4＋：yAG as Saturable Absorber |
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| 引用本文： | 王与烨,;徐德刚,;熊景平,;王卓,;王鹏,;姚建铨.Numerical Modelling of QCW-Pumped Passively Q-Switched Nd：YAG Lasers with Cr^4＋：yAG as Saturable Absorber[J].中国物理快报,2008,25(8):2880-2883. |
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| 作者姓名： | 王与烨 ;徐德刚 ;熊景平 ;王卓 ;王鹏 ;姚建铨 |
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| 作者单位： | [1]Institute of Laser and Optoelectronics, College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072; [2]Key Laboratory of Optoelectric Information Science and Technology (Ministry of Education), Tianjin University, Tianjin 300072 |
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| 基金项目： | Supported by the Research Fund for the Doctoral Programme of Higher Education under Grant No 20070420118, Tianjin Municipal Primary Application and Frontier Technology Research Plan （07JCYBJC06200）, and the National Basic Research Programme of China under Grant No 2007CB310403. |
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| 摘 要： | Passively Q-switched quasi-continuous-wave （QCW） diode-pumped Nd：YAG laser with Cr^4＋ ：YAG as saturable absorber is numerically investigated by solving the coupled rate equations. The threshold pump rate for passively Q-switched QCW-pumped laser is derived. The effects of the pump rate and pump-pulse duration on the laser operation characteristics are studied theoretically. The pump power range can be estimated according to the number of output pulses. The numerical simulation results are in good agreement with the experimental results.
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| 关 键 词： | 数学模式 QCW 连续波 光学开关 散射 |
| 收稿时间： | 2008-4-16 |
Numerical Modelling of QCW-Pumped Passively Q-Switched Nd:YAG Lasers with Cr4+:YAG as Saturable Absorber |
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| WANG Yu-Ye,XU De-Gang,XIONG Jing-Ping,WANG Zhuo,WANG Peng,YAO Jian-Quan.Numerical Modelling of QCW-Pumped Passively Q-Switched Nd:YAG Lasers with Cr4+:YAG as Saturable Absorber[J].Chinese Physics Letters,2008,25(8):2880-2883. |
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| Authors: | WANG Yu-Ye XU De-Gang XIONG Jing-Ping WANG Zhuo WANG Peng YAO Jian-Quan |
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| Institution: | Institute of Laser and Optoelectronics, College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072Key Laboratory of Optoelectric Information Science and Technology (Ministry of Education), Tianjin University, Tianjin 300072 |
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| Abstract: | Passively Q-switched quasi-continuous-wave (QCW) diode-pumped Nd:YAG laser with Cr4+:YAG as saturable absorber is numerically investigated by solving the coupled rate equations. The threshold pump rate for passively Q-switched QCW-pumped laser is derived. The effects of the pump rate and pump-pulse duration on the laser operation characteristics are studied theoretically. The pump power range can be estimated according to the number of output pulses. The numerical simulation results are in good agreement with the experimental results. |
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| Keywords: | 42 60 Gd 42 55 Xi 42 70 Mp 02 60 Cb |
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