Performance of the Brookhaven photocathode rf gun

Conference · Tue Jan 01 00:00:00 EST 1991

OSTI ID:6066800

Batchelor, K; Ben-Zvi, I; Fernow, R C; Fischer, J; Fisher, A S; Gallardo, J; Ingold, G; Kirk, H G; Leung, K P; Malone, R; Pogorelsky, I; Srinivasan-Rao, T; Rogers, J; Tsang, T; Sheehan, J; Ulc, S; Woodle, M; Xie, J; Zhang, R S ^[1]; Lin, L Y ^[2] ; McDonald, K T; Russell, D P ^[3]

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1. Brookhaven National Lab., Upton, NY (United States)
2. Columbia Univ., New York, NY (United States). Dept. of Applied Physics
3. Pr

The Brookhaven Accelerator Test Facility (ATF) uses a photocathode rf gun to provide a high-brightness electron beam intended for FEL and laser-acceleration experiments. The rf gun consists of 1{1/2} cells driven at 2856 MHz in {pi}-mode with a maximum cathode field of 100 MV/m. To achieve long lifetimes, the photocathode development concentrates on robust metals such as copper, yttrium and samarium. We illuminate these cathodes with a 10-ps, frequency-quadrupled Nd:YAG laser. We describe the initial operation of the gun, including measurements of transverse and longitudinal emittance, quantum efficiencies, and peak current. The results are compared to models.

• Research Organization: Brookhaven National Lab., Upton, NY (United States)
• Sponsoring Organization: USDOE; USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 6066800
• Report Number(s): BNL-46679; CONF-9108118-38; ON: DE92005008
• Resource Relation: Conference: 13. international free-electron laser (FEL) conference, Santa Fe, NM (United States), 25-30 Aug 1991
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ELECTRON GUNS
PERFORMANCE
BEAM EMITTANCE
ELECTRON BEAMS
FREE ELECTRON LASERS
NEODYMIUM LASERS
PHOTOCATHODES
RF SYSTEMS
BEAMS
CATHODES
ELECTRODES
LASERS
LEPTON BEAMS
PARTICLE BEAMS
SOLID STATE LASERS
430302* - Particle Accelerators- Injection & Extraction Systems