| X波段失谐加速结构的计算 |
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| 引用本文： | 侯洪涛,董赛,吴丛凤,王琳. X波段失谐加速结构的计算[J]. 强激光与粒子束, 2004, 16(6): 813-816 |
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| 作者姓名： | 侯洪涛 董赛 吴丛凤 王琳 |
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| 作者单位： | 中国科学技术大学,国家同步辐射实验室,安徽,合肥,230029;中国科学技术大学,国家同步辐射实验室,安徽,合肥,230029;中国科学技术大学,国家同步辐射实验室,安徽,合肥,230029;中国科学技术大学,国家同步辐射实验室,安徽,合肥,230029 |
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| 基金项目： | 国家自然科学基金资助课题 (1 0 3750 60，1 0 3750 61 )，中国科学院创新基金资助课题 |
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| 摘 要： | 采用Mafia程序设计X波段失谐加速结构，同时利用Largrange插值的方法计算了加速结构的尺寸，得到了加速结构的特性参数和尾场特性。结果表明，失谐加速结构的品质因子（7 926.0~8 012.2）和分路阻抗（89.7~125.1MΩ/m）比较高，与等阻抗加速结构相比，可以使尾场明显下降，从而降低束流崩溃发生的可能性。
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| 关 键 词： | 失谐 加速结构 尾场 Largrange插值 |
| 文章编号： | 1001-4322(2004)06-0813-04 |
| 收稿时间： | 2003-09-28 |
| 修稿时间： | 2003-09-28 |
Calculation of an X-band detuned accelerator structure |
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| HOU Hong-tao,DONG Sai,WU Cong-feng,WANG Lin. Calculation of an X-band detuned accelerator structure[J]. High Power Laser and Particle Beams, 2004, 16(6): 813-816 |
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| Authors: | HOU Hong-tao DONG Sai WU Cong-feng WANG Lin |
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| Affiliation: | National Synchrotron Radiation Laboratory，University of Science and Technology China，P.O.Box 6022, Hefei 230029, China |
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| Abstract: | An X-band detuned accelerator structure was designed using the Mafia code and the parameters were calculated efficiently through the Lagrange interpolation method, then the characteristics and wakefield of this structure were obtained in the end. The results indicate that this structure not only has high quality factor and high shunt impendence, but also can suppress the wakefield to decrease significantly to a low level comparing with the constant impedance accelerator structure, so that the probability of beam break-up is reduced to a great extent. |
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| Keywords: | Detuned Accelerator structure Wakefield Largrange interpolation |
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