Dependence of photoemission efficiency on the pulsed laser cleaning of Tungsten photocathodes, part 1: Experimental |
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| Authors: | C Tomas JP Girardeau-Montaut M Afif M Romand M Charbonnier TM Duc |
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| Institution: | (1) Laboratoire de Science et Ingénierie des Surfaces, Université Claude Bernard - Lyon 1, 43 bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France (Fax:+33-78/89-4415, E-mail: Jean-Pierre.Girardeau@univ-lyon1.fr), FR |
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| Abstract: | 3+ :YAG laser with 5th harmonic generator, generating 16 ps duration pulses at 213 nm, with energies up to 0.5 mJ. Experimental results concerning
the action of laser pulses, as well as the effects of residual pressure on the cleanliness of the photocathodes surface are
presented and discussed. Influence of laser pulses and residual pressure on the work function of the metal are also investigated.
Received: 15 April 1996/Accepted: 5 November
1996 |
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| Keywords: | PACS: 81 60 Bn 73 30 +y |
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