Design and Construction of the First In-Vacuum Wiggler

SHI Cai-Tu; JING Yu-Hui; LI Da-Shi; CHEN Ji; WANG Mo-Tuo; PENG Quan-Ling; PAN Hui-Bao; SHENG Shu-Gang; CAO Yun

Chinese Physics C> 2004, Vol. 28> Issue(6) : 637-643

Design and Construction of the First In-Vacuum Wiggler

Institute of High Energy Physics,CAS,Beijing 100039,ChinaShanghai Jiao Tong University,Shanghai 200030,China

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Abstract：
The general features of the first in-vacuum wiggler designed and constructed in Beijing Electron Positron Collider (BEPC) as a part of the BSRF upgrade project are introduced. The measured magnetic field of the in-vacuum wiggler reaches 2.0 Tesla when operated at the gap of 12mm, which will provide high flux in the hard X-ray region and will be mainly used for the high temperature and high pressure diffraction experiments. The key technologies and difficulties for the magnetic and mechanical design of the in-vacuum wiggler are described. The main parameters and the requirements for the in-vacuum wiggler are given too. Also, the magnetic field measurement results are shown.

References

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. 　Walker R P , Diviacco B. Synchrotron Radiation News , 2000 , 13(1)2.　Stefan P M et al . J . Synchrotron Rad. , 1998 , 5 :417 —4193.　Hideo Kitamura J . Synchrotron Rad. , 1998 , 5 :184 —1884.　Shigeru Yamamoto et al . Journal of Applied Physics , 19935.　Halbach K. Sixteen Lectures Presented from October 1988 to March19896.　LIU Mao2San et al . HEP NP , 1984 , 8(1) :59 —68 (in Chinese)(刘茂三等. 高能物理与核物理,1984 ,8 (1) :59 —68)7.　WANG Pei-Wei et al . HEP NP , 1996 , 20 ( 5) : 468 —475 ( in Chinese)(王培玮等. 高能物理与核物理,1996 ,20 (5) :468 —475)8.　SHI Cai-Tu et al . Proceedings of the Second Asian Particle Accelerator Conference , Beijing , China , 20019.　Hara T et al . J . Synchrotron Rad. , 1998 , 5 :403 —405

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SHI Cai-Tu, JING Yu-Hui, LI Da-Shi, CHEN Ji, WANG Mo-Tuo, PENG Quan-Ling, PAN Hui-Bao, SHENG Shu-Gang and CAO Yun. Design and Construction of the First In-Vacuum Wiggler[J]. Chinese Physics C, 2004, 28(6): 637-643.

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Received: 2003-10-28
Revised: 1900-01-01

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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

Design and Construction of the First In-Vacuum Wiggler

Corresponding author: SHI Cai-Tu,

Institute of High Energy Physics,CAS,Beijing 100039,ChinaShanghai Jiao Tong University,Shanghai 200030,China

Received Date: 2003-10-28

Accepted Date: 1900-01-01

Available Online: 2004-06-05

Abstract: The general features of the first in-vacuum wiggler designed and constructed in Beijing Electron Positron Collider (BEPC) as a part of the BSRF upgrade project are introduced. The measured magnetic field of the in-vacuum wiggler reaches 2.0 Tesla when operated at the gap of 12mm, which will provide high flux in the hard X-ray region and will be mainly used for the high temperature and high pressure diffraction experiments. The key technologies and difficulties for the magnetic and mechanical design of the in-vacuum wiggler are described. The main parameters and the requirements for the in-vacuum wiggler are given too. Also, the magnetic field measurement results are shown.

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Design and Construction of the First In-Vacuum Wiggler

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