| 600 kV波形可调快前沿脉冲源的研制 |
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| 引用本文： | 刘波,张雪,韩军婷,惠勇凌,姜梦华,李强.600 kV波形可调快前沿脉冲源的研制[J].强激光与粒子束,2008,20(7):0. |
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| 作者姓名： | 刘波 张雪 韩军婷 惠勇凌 姜梦华 李强 |
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| 作者单位： | 1.西北核技术研究所, 西安 71 0024 |
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| 基金项目： | 国家自然科学基金，北京市自然科学基金 |
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| 摘 要： | 介绍了一种波形可调的高电压快前沿脉冲源。该脉冲源由Marx发生器、脉冲成型组件、主开关、匹配负载、分流电阻、串联电感等部件构成。各部件自成一体，呈模块化分布。以Marx发生器作为初级储能，通过调节发生器输出端分流电阻、串联电感及脉冲成型组件等模块，可以输出包括双指数波和方波在内的5种脉冲波形。输出脉冲幅值在200~600 kV范围内可调，最小脉冲前沿可达2 ns。
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| 关 键 词： | 高压脉冲源 快前沿 Marx发生器 输出波形可调 |
| 收稿时间： | 1900-01-01; |
Wavelength beam combining of laser diode array by wavelength-chirped volume Bragg grating external cavity |
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| LIU Bo,ZHANG Xue,HAN Jun-ting,HUI Yong-ling,JIANG Meng-hua,LI Qiang.Wavelength beam combining of laser diode array by wavelength-chirped volume Bragg grating external cavity[J].High Power Laser and Particle Beams,2008,20(7):0. |
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| Authors: | LIU Bo ZHANG Xue HAN Jun-ting HUI Yong-ling JIANG Meng-hua LI Qiang |
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| Institution: | 1.Northwest Institute of Nuclear Technology,P.O.Box 69-10,Xi’an 710024,China |
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| Abstract: | With an external cavity containing a wavelength-chirped volume Bragg grating, multi-wavelength beam combining is realized with a standard bar of 49 emitters. The width of the emitter is 100 μm, and the fill factor is 0.5. Beam quality factor of 6 for both the fast axis and the slow axis is achieved at CW operating, and a nearly round output spot of high intensity with a peak power of 11.2 W is gotten. The efficiency at the maximum operating current is about 30%. An efficiency of 64% at maximum working current is proven in a more detailed experimental study. The technical advantages and possible applications are discussed. |
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| Keywords: | Diode laser array Wavelength beam combining Diffraction grating |
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