Performance of the Brookhaven photocathode rf gun
Conference
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OSTI ID:10112137
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- Brookhaven National Lab., Upton, NY (United States)
- Columbia Univ., New York, NY (United States). Dept. of Applied Physics
- Princeton Univ., NJ (United States). Dept. of Physics
- State Univ. of New York, Stony Brook, NY (United States). Dept. of Physics
- California Univ., Los Angeles, CA (United States). Dept. of Physics
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, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 10112137
- Report Number(s):
- BNL-46679; CONF-9108118-38; ON: DE92005008; IN: CAP 75-ATF--91C
- Resource Relation:
- Conference: 13. international free-electron laser (FEL) conference,Santa Fe, NM (United States),25-30 Aug 1991; Other Information: PBD: [1991]
- Country of Publication:
- United States
- Language:
- English
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