Monday, July 27, 2015

Abstract-Producing terahertz coherent synchrotron radiation at the Hefei Light Source

Xu De-Rong (许德荣), Xu Hong-Liang (徐宏亮) and Shao Yan (邵琰)
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
Xu De-Rong et al 2015 Chinese Phys. C 39 077003. doi:10.1088/1674-1137/39/7/077003
Received 28 September 2014.
©2015 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
This paper theoretically proves that an electron storage ring can generate coherent radiation in the THz region using a quick kicker magnet and an AC sextupole magnet. When the vertical chromaticity is modulated by the AC sextupole magnet, the vertical beam collective motion excited by the kicker produces a wavy spatial structure after a number of longitudinal oscillation periods. The radiation spectral distribution was calculated from the wavy bunch parameters at the Hefei Light Source (HLS). When the electron energy is reduced to 400 MeV, extremely strong coherent synchrotron radiation (CSR) at 0.115 THz should be produced.

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