2 papers

title:	Initial measurements of the UCLA RF photoinjector
format:	conference procceeding
conference:	Conference on High Intensity Electron Sources
year:	1994
14 authors:	S. Hartman | M. Hogan | S. C. Hartman | N. Barov | C. Pellegrini | S. Park | J. B. Rosenzweig | G. Travish | R. Zhang | C. Clayton | P. Davis | M. Everett | C. Joshi | G. Hairapetian
abstract:	The 1.5 cell standing wave RF photoinjector has been operated for the past several months using a copper cathode. The photoinjector drive laser produces sub 2 ps pulses of UV ( lambda =256 nm) light with up to 200 mu J/pulse which generates up to 3 nC of charge, The emittance of the photoinjector was measured as a function of charge, RF launching phase, and peak accelerating field. Also, the quantum efficiency and pulse lengths of the laser beam and the electron beam were measured. (15 References).
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title:	Streak camera measurements of electron bunch length from a copper photocathode in an RF gun
format:	conference procceeding
conference:	1993 Particle Accelerator Conference
year:	1993
8 authors:	G. Hairapetian | P. Davis | M. Everett | C. Clayton | C. Joshi | S. Hartman | S. Park | C. Pellegrini
abstract:	Short laser pulses (sub 2 ps) of UV ( lambda =266 nm) light with 200 mu J/pulse are used to produce electrons from a copper cathode in an RF gun. The electron bunch length is measured by streaking the Cerenkov radiation ( lambda =530 nm) from a thin (250 mu m) fused silica etalon. Streaks for both 0 degrees and 70 degrees laser incidence angles with respect to the cathode normal are presented with a temporal resolution of 3.6 ps. The shortest electron bunch length measured was 9 ps. (3 References).
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