DESIGN AND RESULTS OF A TIME RESOLVED SPECTROMETER FOR THE 5 MeV PHOTO-INJECTOR PHIN

The CLIC Test Facility 3 (CTF3) drive beam injector should provide high intensity and high quality electron beams. The present installation relies on a thermionic gun followed by a complexRF bunching system. As an upgrade to improve the beam emittance and the energy spread and to minimize the beam losses, a photo-injector is being developed and tested at CERN. One of the major challenges is to provide a 3.5A beam with a stable (0.1%) beam energy over 1.2 μs and a relative energy spread smaller than 1%. A 90◦ spectrometer line consisting of a segmented dump and an Optical Transition Radiation screen has been built in order to study these issues. The following paper describes its design and shows performances during the beam commissioning.


Published in:
Proceedings of IPAC10
Presented at:
IPAC10, Kyoto, Japan, May 23 - 28, 2010
Year:
2010
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 Record created 2011-05-13, last modified 2018-01-28

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