Producing terahertz coherent synchrotron radiation atthe Hefei Light Source

XU De-Rong; XU Hong-Liang; SHAO Yan

doi:10.1088/1674-1137/39/7/077003

Chinese Physics C> 2015, Vol. 39> Issue(7) : 077003 DOI: 10.1088/1674-1137/39/7/077003

Producing terahertz coherent synchrotron radiation atthe Hefei Light Source

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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.

References

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XU De-Rong, XU Hong-Liang and SHAO Yan. Producing terahertz coherent synchrotron radiation atthe Hefei Light Source[J]. Chinese Physics C, 2015, 39(7): 077003. doi: 10.1088/1674-1137/39/7/077003

XU De-Rong, XU Hong-Liang and SHAO Yan. Producing terahertz coherent synchrotron radiation atthe Hefei Light Source[J]. Chinese Physics C, 2015, 39(7): 077003. doi: 10.1088/1674-1137/39/7/077003 shu

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Received: 2014-09-28
Revised: 2015-01-15

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沈阳化工大学材料科学与工程学院沈阳 110142

Producing terahertz coherent synchrotron radiation atthe Hefei Light Source

Corresponding author: XU De-Rong,

Corresponding author: XU Hong-Liang,

Corresponding author: SHAO Yan,

Received Date: 2014-09-28
Accepted Date: 2015-01-15
Available Online: 2015-07-05

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.