Photoelectrons beam measurement from a magnesium cathode in a RF electron gun

Technical Report · Thu Sep 01 00:00:00 EDT 1994

DOI:https://doi.org/10.2172/10178357· OSTI ID:10178357

Wang, X J; Srinivasan-Rao, T; Batchelor, K; Ben-Zvi, I; Fischer, J

The performance of a magnesium cathode in a one-and-half cell photocathode RF gun measured at the Brookhaven Accelerator Test Facility (ATF). The frequency quadrupled Nd:YAG laser (266 nm) was used to stimulate the photoelectron emissions. For a normal incident laser pulse, the quantum efficiency of the magnesium at 10{sup {minus}7} torr was measured to be 5 {times} 10{sup {minus}4}, which is more than 20 times the value for copper under similar conditions.

• Research Organization: Brookhaven National Lab. (BNL), Upton, NY (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 10178357
• Report Number(s): BNL-60738; CONF-9408146-1; ON: DE94017994; TRN: 94:018838
• Resource Relation: Conference: 16. international free electron laser conference,Stanford, CA (United States),21-26 Aug 1994; Other Information: PBD: [1994]
• Country of Publication: United States
• Language: English

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