Experimental verification of velocity bunching via shot-by-shot measurement at S-band photoinjector and linac

Iijima, Hokuto; Uesaka, Mitsuru*; Sakamoto, Fumito*; Ueda, Toru*; Kumagai, Noritaka*; Serafini, L.*

We represent an experimental verification of a bunch compression method named "velocity bunching". The velocity bunching based on the rectilinear compression uses a traveling wave accelerating tube as a compressor. The experiment was performed by an S-band photoinjector and a linac at Nuclear Engineering Research Laboratory, University of Tokyo. The shot-by-shot bunch length was measured to be 0.5 0.1 ps (rms) in average by the femtosecond streak camera for a bunch charge of 1 nC. The experimental result is in good agreement with PARMELA simulations.

Language	:	English
Journal	:	Japanese Journal of Applied Physics, Part 1
Volume	:	44
Number	:	7A
Pages	:	p.5249 - 5253
Publication Year/Month	:	2005/01
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Paper URL	:	https://doi.org/10.1143/JJAP.44.5249
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Keywords	:	Bunch Compression; Pohtocathode RF Injector; Low Energy; Electron Beam; FEL
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Registration No. : A20050054
JAEA Abstracts No. : 330699
Paper Submission No. : 22002

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