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Candela photo-injector experimental results with a dispenser photocathode

Abstract : 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
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C. Travier, B. Leblond, M. Bernard, J.N. Cayla, P. Thomas. Candela photo-injector experimental results with a dispenser photocathode. 16th IEEE Particle Accelerator Conference (PAC 95) and International Conference on High-energy Accelerators (IUPAP), May 1995, Dallas, United States. pp.945-947, ⟨10.1109/PAC.1995.505090⟩. ⟨in2p3-00022773⟩

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