Microwave Cold Test Debug of an S-Band 2MeV on-Axis Coupling SW Accelerator

LIU Jie; BAI Wei; CHEN Ya-Nan; XU Zhou; LI Ming; YANG Xing-Fan

Chinese Physics C> 2008, Vol. 32> Issue(S1) : 175-177

Microwave Cold Test Debug of an S-Band 2MeV on-Axis Coupling SW Accelerator

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Abstract：
This paper presents the model cavity tune and cold test of an S-band 2MeV on-axis coupling SW accelerator. The measurement of the model cavity's frequency, degree of coupling, Q value and on-axis field distribution are described in detail. In addition, the results of cavity tune and cold test of the accelerating tube are given. The frequency consistency of the accelerator is within ±0.3MHz, the coupling degree in the supersaturation state 1.14, the quality factor of the accelerator 12000±200, and the field distribution ratio 1:2.2:2. All the results observed show that the accelerator satisfies the physics design with microwave
debugging.

References

[1]

. GU G B. Electron Linear Accelerator. Beijing: Science Press, 1985(in Chinese)(顾本广. 电子直线加速器. 北京: 科学出版社, 1985)2. LIN Y Z. Principles of Low Energy Linear Accelerator. Beijing: Tsinghua University, 1999(in Chinese)(林郁正. 低能直线加速器. 北京: 清华大学工程物理系, 1999)3. XU Z. Physical and Experimental Study of Thermionic Cathode Microwave Electron Gun. Doctor Thesis. Graduate School of CAEP, 1997, 10(in Chinese)(许州. 热阴极微波电子枪物理与实验研究. 博士论文. 中国物理研究院, 1997, 10)4. GU G B. Investigations of Low Back Bombardment High Gradient Standing Wave Linear Accelerators. Beijing Medical Instrument Institute, 1996(in Chinese)(顾本广. 低反轰高梯度驻波加速管的研究. 北京医疗器械研究所, 1996)5. CHEN H. Theory and Eperiment Investigation of a New Type X-Ray Source for High Energy Industrial CT, Master thesis, 2004(in Chinese)(陈浩. 高能工业cT用新型加速器x射线up理论及实验研究, 硕士论文, 2004)

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LIU Jie, BAI Wei, CHEN Ya-Nan, XU Zhou, LI Ming and YANG Xing-Fan. Microwave Cold Test Debug of an S-Band 2MeV on-Axis Coupling SW Accelerator[J]. Chinese Physics C, 2008, 32(S1): 175-177.

LIU Jie, BAI Wei, CHEN Ya-Nan, XU Zhou, LI Ming and YANG Xing-Fan. Microwave Cold Test Debug of an S-Band 2MeV on-Axis Coupling SW Accelerator[J]. Chinese Physics C, 2008, 32(S1): 175-177. shu

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Received: 2008-01-10
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Microwave Cold Test Debug of an S-Band 2MeV on-Axis Coupling SW Accelerator

Corresponding author: LIU Jie,

Received Date: 2008-01-10
Accepted Date: 1900-01-01
Available Online: 2008-01-04

Abstract: This paper presents the model cavity tune and cold test of an S-band 2MeV on-axis coupling SW accelerator. The measurement of the model cavity's frequency, degree of coupling, Q value and on-axis field distribution are described in detail. In addition, the results of cavity tune and cold test of the accelerating tube are given. The frequency consistency of the accelerator is within ±0.3MHz, the coupling degree in the supersaturation state 1.14, the quality factor of the accelerator 12000±200, and the field distribution ratio 1:2.2:2. All the results observed show that the accelerator satisfies the physics design with microwave
debugging.