“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 15203
School of Particles and Accelerator
  Title:   Design, construction and measurements of an alpha magnet as a solution for compact bunch compressor for the electron beam from Thermionic RF Gun
  Author(s): 
1.  Ali Rajabi
2.  J Jazini
3.  M Fathi
4.  M Sharifian
5.  B Shokri
  Status:   Published
  Journal: Journal Of Instrumentation
  Vol.:  13
  Year:  2018
  Supported by:  IPM
  Abstract:
The beam produced by a thermionic RF gun has wide energy spread that makes it unsuitable for direct usage in photon sources. Here in the present work, we optimize the extracted beam from a thermionic RF gun by a compact economical bunch compressor. A compact magnetic bunch compressor (Alpha magnet) is designed and constructed. A comparison between simulation results and experimental measurements shows acceptable conformity. The beam dynamics simulation results show a reduction of the energy spread as well as a compression of length less than 1 ps with 2.3 mm-mrad emittance.

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