Author： De-Rong Xu Hong-Liang Xu Yan Shao
Publisher： IOP Publishing
ISSN： 1674-1137
Source： Chinese Physics C, Vol.39, Iss.7, 2015-07, pp. : 77003-77008
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Abstract
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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