| BFEL激光能量的计算 |
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| 引用本文： | 戴建枰,于莹. BFEL激光能量的计算[J]. 强激光与粒子束, 2007, 19(5): 737-740 |
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| 作者姓名： | 戴建枰 于莹 |
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| 作者单位： | 中国科学院,高能物理研究所,北京,100049;中国科学院,高能物理研究所,北京,100049;中国科学院,研究生院,北京,100049 |
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| 基金项目： | 中国科学院知识创新工程项目;国家高技术研究发展计划(863计划) |
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| 摘 要： | 为进一步提高BFEL的小信号增益和确定激光能量等性能参数，用定态和非定态程序对BFEL激光的能量进行了计算和分析。计算结果表明:采取适当措施，将电子束的发射度由50 pmm·mrad降低到30 pmm·mrad，电子束宏脉冲宽度由5.0 ms增加到6.5 ms，激光传输效率由40%增加到80%，BFEL的小信号增益将由16%增大到28%，输出激光的能量也将提高近一个量级。
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| 关 键 词： | BFEL 非定态程序 增益 激光能量 |
| 文章编号： | 1001-4322（2007）05-0737-04 |
| 收稿时间： | 2006-08-07 |
| 修稿时间： | 2006-08-072007-04-19 |
Laser energy calculation of BFEL facility |
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| DAI Jian-ping,YU Ying. Laser energy calculation of BFEL facility[J]. High Power Laser and Particle Beams, 2007, 19(5): 737-740 |
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| Authors: | DAI Jian-ping YU Ying |
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| Affiliation: | 1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | The laser energy is one of the key characteristics of Beijing Free Electron Laser(BFEL) facility. This paper calculated the gain and the laser energy of BFEL with a steady-state code and a time-dependent code. The calculation shows that by adopting suitable measures such as decreasing the emittance of the electron beam from 50 pmm·mrad to 30 pmm·mrad, the small signal gain of BFEL will grow from 16% to 28%, and the laser energy will increase approximately one order. |
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| Keywords: | BFEL |
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