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16th IEEE Particle Accelerator Conference (PAC 95) and International Conference on High-energy Accelerators (IUPAP), Dallas : États-Unis (1995)
Candela photo-injector experimental results with a dispenser photocathode
C. Travier1, B. Leblond1, M. C. Bernard1, J.N. Cayla1, P. Thomas1
(1996)

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
1 :  LAL - Laboratoire de l'Accélérateur Linéaire
Physique/Physique/Instrumentations et Détecteurs
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