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CANDELA photo-injector experimental results with a dispenser photocathode

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6 Author(s)
Travier, C. ; Lab. de l''Accel. Lineaire, Orsay, France ; Leblond, B. ; Bernard, M. ; Cayla, J.N.
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The CANDELA photo-injector is a two cell S-band photo-injector. The dispenser photocathode is illuminated by a 500 fs pulse from a frequency-tripled Ti:sapphire laser. In this paper we report charge measurements showing that the dispenser photocathode has a quantum efficiency as high as 10-3. This efficiency decreases with a lifetime of 12 hours, but can be recovered by heating the cathode for 5 minutes

Published in:

Particle Accelerator Conference, 1995., Proceedings of the 1995  (Volume:2 )

Date of Conference:

1-5 May 1995