Time-Resolved Measurement System Using Optical Transition Radiation for Electron Beam of High Energy and High Current

JIANG Xiao-Guo; YANG Guo-Jun; ZHANG Kai-Zhi; SHI Jin-Shui; DENG Jian-Jun; WANG Yuan; LI Cheng-Gang

Chinese Physics C> 2005, Vol. 29> Issue(11) : 1095-1099

Time-Resolved Measurement System Using Optical Transition Radiation for Electron Beam of High Energy and High Current

Institute of Fluid Physics,China Academy of Engineering Physics,Mianyang 621900,China

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Abstract：
The technology using optical transition radiation (OTR) which is a main method for measuring the electron beam of high energy and high current has been developed for the past ten years．OTR characterized by the ultra-fast response，high resolution and capability of measuring both spatial and angular profiles of an electron beam．It also can measure the beam energy and divergence．A time-resolved measurement results of an electron beam produced by linear induction accelerator (LIA) can provide much more detail information so that many problems about the beam transmission can be known well．Such a time-resolved measurement system has been developed recently in our lab and put into operation．It provides an on-line beam diagnostic method for a 18.5MeV, 2kA, 90ns electron pulse．The beam emittance and its variation during the 90ns pulse are obtained in 10ns time interval．This system can capture 8 frame images at one time in the minimum interval period of 10ns while the exposure time is 3ns．The frame interval time is 8 level which changes from 10ns to 1280ns in power of 2 and the exposure time can change in three level of 3ns, 5ns, 10ns．The size of image is 1376×1035 and the object plane size can reach φ80mm.

References

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JIANG Xiao-Guo, YANG Guo-Jun, ZHANG Kai-Zhi, SHI Jin-Shui, DENG Jian-Jun, WANG Yuan and LI Cheng-Gang. Time-Resolved Measurement System Using Optical Transition Radiation for Electron Beam of High Energy and High Current[J]. Chinese Physics C, 2005, 29(11): 1095-1099.

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Received: 2005-03-07
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

Time-Resolved Measurement System Using Optical Transition Radiation for Electron Beam of High Energy and High Current

Corresponding author: JIANG Xiao-Guo,

Institute of Fluid Physics,China Academy of Engineering Physics,Mianyang 621900,China

Received Date: 2005-03-07

Accepted Date: 1900-01-01

Available Online: 2005-11-05

Abstract: The technology using optical transition radiation (OTR) which is a main method for measuring the electron beam of high energy and high current has been developed for the past ten years．OTR characterized by the ultra-fast response，high resolution and capability of measuring both spatial and angular profiles of an electron beam．It also can measure the beam energy and divergence．A time-resolved measurement results of an electron beam produced by linear induction accelerator (LIA) can provide much more detail information so that many problems about the beam transmission can be known well．Such a time-resolved measurement system has been developed recently in our lab and put into operation．It provides an on-line beam diagnostic method for a 18.5MeV, 2kA, 90ns electron pulse．The beam emittance and its variation during the 90ns pulse are obtained in 10ns time interval．This system can capture 8 frame images at one time in the minimum interval period of 10ns while the exposure time is 3ns．The frame interval time is 8 level which changes from 10ns to 1280ns in power of 2 and the exposure time can change in three level of 3ns, 5ns, 10ns．The size of image is 1376×1035 and the object plane size can reach φ80mm.

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Time-Resolved Measurement System Using Optical Transition Radiation for Electron Beam of High Energy and High Current

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