2-D Beam Profile Measurement Based on CT Algorithm with Rotating Multi-Wire Target

YU Neng-Jie; TANG Chuan-Xiang; ZHENG Shu-Xin; LI Quan-Feng; GONG Ke

Chinese Physics C> 2005, Vol. 29> Issue(4) : 408-412

2-D Beam Profile Measurement Based on CT Algorithm with Rotating Multi-Wire Target

Department of Engineering Physics,Tsinghua University,Beijing 100084,China

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A new method for the 2–d low energy electron beam profile measurement is developed. based on the ct(computer tomography) algorithm, multi sets of data about the 1–d beam profile projections are attained by rotating the multi–wire target. then a 2–d beam profile is reconstructed from these projections with ct algorithm. the principle of this method is analyzed theoretically in detail and the initial facilities for the experiment with some results are presented.

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. CHEN Si-Fu, XIA Lian-Sheng, ZHANG Lin-Wen et al. High PowerLaser and Particle Beams, 2003, 15( 3) : 279 -282(in Chinese)(陈思富，夏连胜，章林文等.强激光与粒子束，2003, IS(3):279-282)2. CHEN Si-Fu,Ding Bo-Nan, Xia Lian-Sheng et al. High Power Laser and Part icle Beams, 2002, 14( 2) : 317- 320(in Chinese)(陈思富，丁伯南，夏连胜等.强激光与粒子束，2002,14(2):317-320)3. Catravas P, LeemansW P,Esarey E et al. Proceedings of the 1999 Part icle Accelerator Conference. 1999. 3: 2111 - 21134. ZHUANG Tian-Ge. CT Principle and Algorithm. Shanghai: Shanghai Jiao Tong University Press, 1992. 31 -37, 63 (in Chinese)(庄天戈.CI'原理与算法.上海:上海交通大学出版社，1992,31-37. 63)5. SHI Jiu-De. Photoelectric Tube and Electron-Multiplier Phototube. Beijing: Nat ional Def ense Industry Press, 1981. 101 - 104(in Chinese)(史玖德.光电管与光电倍增管.北京:国防工业出版社，1981.101-104)6. Joy D C. A Database of Electron-Solid Int eract ions. USA: EM Facilit y,University of Tennessee, and Oak Ridge National Laboratory, 2001. 457. Pages L, Bertel E. Joffre H, Sklavenitis L. Atomic Data, 1972, 4(1) : 38

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YU Neng-Jie, TANG Chuan-Xiang, ZHENG Shu-Xin, LI Quan-Feng and GONG Ke. 2-D Beam Profile Measurement Based on CT Algorithm with Rotating Multi-Wire Target[J]. Chinese Physics C, 2005, 29(4): 408-412.

YU Neng-Jie, TANG Chuan-Xiang, ZHENG Shu-Xin, LI Quan-Feng and GONG Ke. 2-D Beam Profile Measurement Based on CT Algorithm with Rotating Multi-Wire Target[J]. Chinese Physics C, 2005, 29(4): 408-412. shu

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Received: 2004-07-13
Revised: 2004-09-07

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

2-D Beam Profile Measurement Based on CT Algorithm with Rotating Multi-Wire Target

Corresponding author: YU Neng-Jie,

Department of Engineering Physics,Tsinghua University,Beijing 100084,China

Received Date: 2004-07-13

Accepted Date: 2004-09-07

Available Online: 2005-04-05

Abstract: A new method for the 2–d low energy electron beam profile measurement is developed. based on the ct(computer tomography) algorithm, multi sets of data about the 1–d beam profile projections are attained by rotating the multi–wire target. then a 2–d beam profile is reconstructed from these projections with ct algorithm. the principle of this method is analyzed theoretically in detail and the initial facilities for the experiment with some results are presented.

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2-D Beam Profile Measurement Based on CT Algorithm with Rotating Multi-Wire Target

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