2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/149662The CANDELA photo-injector is a two cell S-band photo-injector. The copper cathode is illuminated by a 500 fs Ti:sapphire laser. This paper presents energy spectrum measurements of the dark current and intense electron emission that occurs when the laser power density is very high.8 pages, 6 figures, LATEXAccelerator Physicstext