| 用于锁模Nd：YAG激光器的单脉冲开关 |
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| 引用本文： | 张小秋,王国志,赵宝升,任友来,高宏文,桂建保,陈智,李军,程晋闽.用于锁模Nd：YAG激光器的单脉冲开关[J].强激光与粒子束,2004,16(11):1403-1405. |
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| 作者姓名： | 张小秋 王国志 赵宝升 任友来 高宏文 桂建保 陈智 李军 程晋闽 |
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| 作者单位： | 1.中国科学院 西安光学精密机械研究所, 陕西 西安710068;2.中国工程物理研究院流体物理研究所，四川 绵阳621900 |
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| 基金项目： | 国家863计划项目资助课题 |
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| 摘 要： | 锁模Nd:YAG激光器选取单脉冲时，通常采用KD*P普克尔盒。 波长1.06μm的激光半波电压为6.6kV。应用冷阴极闸流管KN-22作为开关线路比较广泛，但近年来我们改用MOS场效应管线路代替KN-22，该线路性能稳定可靠，输出脉冲幅度为－6.6～－8kV，脉冲宽度5～10ns可调，触发晃动小于0.5ns，触发延时30～40ns，单脉冲选出率为100％。经长时间使用未发现异常，此线路也可在削波器及脉冲剪切等技术中应用。
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| 关 键 词： | 锁模激光器 单脉冲开关 MOS场效应管 |
| 文章编号： | 1001-4322(2004)11-1403-03 |
| 收稿时间： | 2003/5/6 |
| 修稿时间： | 2003年5月6日 |
Single pulse switch used in mode-locked Nd:YAG laser |
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| ZHANG Xiao-qiu,WANG Guo-zhi,ZHAO Bao-sheng,REN You-lai,GAO Hong-wen,GUI Jian-bao,Chen Zhi.Single pulse switch used in mode-locked Nd:YAG laser[J].High Power Laser and Particle Beams,2004,16(11):1403-1405. |
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| Authors: | ZHANG Xiao-qiu WANG Guo-zhi ZHAO Bao-sheng REN You-lai GAO Hong-wen GUI Jian-bao Chen Zhi |
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| Institution: | 1.Xi''an Institute of Optics and Fine Mechanics, Xi''an 710068,China2.Institute of Fluid Physics, China Academy of Engineering Physics, P. O. Box 919-106, Mianyang 621900,China |
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| Abstract: | When adopting mode-locked Nd:YAG laser to choose single pulse, KD~ *P Pockels cell is usually used. The half wavelength voltage is 6.6 kV to the laser of 1.06μm wavelength. In recent years, cold cathode thyratron KN-22 is widely used in circuit, but here KN-22 is replaced by MOSFET. The circuit with MOSFET has stable and credible performance, it can output a pulse of -6.6～-8kV and the pulse width can be adjusted from 5ns to 10ns. The circuit has a short time jitter (0.5ns), a delay of 30ns and high probability of selecting single pulse (100%). No abnormity is found after using a long time and the circuit can be also used as chopper and pulse shearer. |
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| Keywords: | Mode-locked laser Single pulse switch MOSFET |
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