Development of a High-Brightness VHF Electron Source at LBNL

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Currently proposed ERL and high average power FEL projects require electron beam sources that can generate {approx}1nC bunch charges at high repetition rates. Many proposed sources are based around either high voltage DC or microwave RF guns, each with its particular set of technological limits and system complications. We propose a novel solution that greatly diminishes high voltage breakdown issues while also decreasing peak RF power requirements in a warm copper device, and that has the benefit of mapping the rf oscillation period much more closely to the required beam repetition rate. We present the initial RF and mechanical design ... continued below

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Lidia, Steven M.; Sannibale, Fernando; Staples, John W.; Virostek, Steve P. & Wells, Russell P. July 10, 2007.

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Currently proposed ERL and high average power FEL projects require electron beam sources that can generate {approx}1nC bunch charges at high repetition rates. Many proposed sources are based around either high voltage DC or microwave RF guns, each with its particular set of technological limits and system complications. We propose a novel solution that greatly diminishes high voltage breakdown issues while also decreasing peak RF power requirements in a warm copper device, and that has the benefit of mapping the rf oscillation period much more closely to the required beam repetition rate. We present the initial RF and mechanical design for a 750kV electron source and beam injection system utilizing a gun resonant in the VHF band. Beam dynamics simulations demonstrate excellent beam quality preservation and transport.

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  • 41st Advanced ICFA Workshop on Energy RecoveryLinacs, Daresbury, UK, May 21-25, 2007

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  • Report No.: LBNL--63197
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 928022
  • Archival Resource Key: ark:/67531/metadc902064

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Office of Scientific & Technical Information Technical Reports

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  • July 10, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 31, 2016, 4:04 p.m.

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Lidia, Steven M.; Sannibale, Fernando; Staples, John W.; Virostek, Steve P. & Wells, Russell P. Development of a High-Brightness VHF Electron Source at LBNL, article, July 10, 2007; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc902064/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.