Producing terahertz coherent synchrotron radiation at the Hefei Light Source

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 pr...

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Bibliographic Details
Published inChinese physics C Vol. 39; no. 7; pp. 82 - 87
Main Author 许德荣 徐宏亮 邵琰
Format Journal Article
LanguageEnglish
Published 01.07.2015
Subjects
Beams (radiation)
Coherence
Electron energy
Light sources
Mathematical analysis
Oscillations
Spectra
Synchrotron radiation
THz波段
企业社会责任
六极磁铁
合肥光源
太赫兹
电子储存环
相干同步辐射
相干辐射
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Summary: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 Me V, extremely strong coherent synchrotron radiation（CSR） at 0.115 THz should be produced.
Bibliography:CSR,THz,storage ring
11-5641/O4
XU De-Rong XU Hong-Liang SHAO Yan（ National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China）
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 Me V, extremely strong coherent synchrotron radiation（CSR） at 0.115 THz should be produced.
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ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/39/7/077003