Theoretical Estimation and Experimental Design of High lntensity Coherent Synchrotron Radiation Generated by Short Electron Bunches at BFEL

ZHU JunBiao; LI YongGui; XIE JiaLin

Chinese Physics C> 2000, Vol. 24> Issue(2) : 172-180

Theoretical Estimation and Experimental Design of High lntensity Coherent Synchrotron Radiation Generated by Short Electron Bunches at BFEL

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100080, China

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Broad band continuous and high intensity coherent synchrotron radiation (SR) emitted from the 4ps electron bunches provided by the 30MeV linac of BFEL setup is analyzed and numerically calculated. High intensity coherent SRs in the mm-wave region and in the far IR to mm-wave region can be obtained respectively by directly using these bunches and by compressing their pulse widths to 1ps or sub ps. The later as a coherent source of radiation is of high value in applications because it is within the wavelength region where the coherent radiation source is lacked. The CSR power is enhanced by a factor of 10⁸—10⁹,approximately the number of electrons per bunch, compared to incoherent SR. The coherent SR power is within hundreds micro-watts to milli-watts dependent upon the chosen wavelength and gathering angle regions. Experimental designs on CSR generation and bunch length measurement are presented.

References

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ZHU JunBiao, LI YongGui and XIE JiaLin. Theoretical Estimation and Experimental Design of High lntensity Coherent Synchrotron Radiation Generated by Short Electron Bunches at BFEL[J]. Chinese Physics C, 2000, 24(2): 172-180.

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Received: 1998-12-07
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

Theoretical Estimation and Experimental Design of High lntensity Coherent Synchrotron Radiation Generated by Short Electron Bunches at BFEL

Corresponding author: ZHU JunBiao,

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100080, China

Received Date: 1998-12-07

Accepted Date: 1900-01-01

Available Online: 2000-02-05

Abstract: Broad band continuous and high intensity coherent synchrotron radiation (SR) emitted from the 4ps electron bunches provided by the 30MeV linac of BFEL setup is analyzed and numerically calculated. High intensity coherent SRs in the mm-wave region and in the far IR to mm-wave region can be obtained respectively by directly using these bunches and by compressing their pulse widths to 1ps or sub ps. The later as a coherent source of radiation is of high value in applications because it is within the wavelength region where the coherent radiation source is lacked. The CSR power is enhanced by a factor of 10⁸—10⁹,approximately the number of electrons per bunch, compared to incoherent SR. The coherent SR power is within hundreds micro-watts to milli-watts dependent upon the chosen wavelength and gathering angle regions. Experimental designs on CSR generation and bunch length measurement are presented.

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Theoretical Estimation and Experimental Design of High lntensity Coherent Synchrotron Radiation Generated by Short Electron Bunches at BFEL

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