| 第四代光源 |
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| 引用本文： | 张令翊,庄杰佳,赵夔,陈佳洱.第四代光源[J].强激光与粒子束,2001,13(1):51-55. |
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| 作者姓名： | 张令翊 庄杰佳 赵夔 陈佳洱 |
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| 作者单位： | 1.北京大学重离子物理研究所，北京 100871； 2.中科院高能物理研究所，北京100080；3. 中科院空间物理与应用研究中心，北京 100080 |
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| 基金项目： | 国家教育部资助课题!（1998－007） |
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| 摘 要： | 第四代光源（X射线激光）是继第三代同步辐射光源以后，人们正在探索之中的新一代光源，它在亮度、相干性和时间结构上都大大优于第三代同步辐射光源。从目前发展的趋势来看，新一代的短脉冲、高亮度、可调的相干X射线光源将是基于自放大自发辐射原理的高增益自由电子激光（SASE FEL）。综述了第四代光源的由来、它和SASE的关系, 它的优异特性、发展现状以及应用前景。
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| 关 键 词： | 第四代光源 SASE 自由电子激光 |
| 文章编号： | 1001—4322（2001）01—0051—05 |
| 收稿时间： | 1999/12/14 |
| 修稿时间： | 1999年12月14 |
Fourth-generation light sources |
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| ZHANG Ling-yi,ZHUANG Jie-jia,ZHAO Kui,CHEN Jia-er.Fourth-generation light sources[J].High Power Laser and Particle Beams,2001,13(1):51-55. |
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| Authors: | ZHANG Ling-yi ZHUANG Jie-jia ZHAO Kui CHEN Jia-er |
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| Institution: | 1. Institute of Heavy Ion Physics, Peking University, Beijing 100871, China;2. Institute of High Energy Physics, the Chinese Academy of Sciences, P. O. Box 2732, Beijing 100080, China;3. Center for Space Science and Applied Research, the Chinese Academy of Sciences, P. O. Box 8701, Beijing 100080, China |
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| Abstract: | Fourth-generation light sources, which would involve potentially higher brilliance, a higher degree of coherence, and ultrashort pulses, possibly at the hard X-ray region, be based on the self-amplified spontaneous emission principle of free electron lasers, would offer a further major advance in scientific capabilities. In this paper, the development history, the relationship with SASE FEL, the unique properties and the future applications of such sources are summarized and reviewed briefly. |
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| Keywords: | fourth-generation light sources SASE free-electron lasers |
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