合肥光源产生太赫兹相干同步辐射
Producing Terahertz Conherent Synchrotron Radiation Based On Hefei Light Source
摘要：
本文从理论上证明了电子储存环可以利用快速冲击磁铁和交流六极磁铁产生太赫兹相干辐射。当垂直色度由交流六极磁铁调制时，由冲击器激励的垂直束集体运动在若干纵向振荡周期后产生波浪形空间结构。本文计算了合肥光源波形聚束辐射的光谱分布。当电子能量降低到400 MeV时，可以产生0.115 THz的极强相干同步辐射（CSR）。
英文摘要：
This paper theoretically proves that an electron storage ring can generate coherent radiation in 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. We calculate the radiation spectral distribution from the wavy bunch in Hefei Light Source(HLS). If we reduce electron energy to 400MeV, it can produce extremely strong coherent synchrotron radiation(CSR) at 0.115THz.
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