ELECTROSTATIC MODELING OF THE JEFFERSON LABORATORY INVERTED CERAMIC GUN

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Jefferson Laboratory (JLab) is currently developing a new 500kV DC electron gun for future use with the FEL. The design consists of two inverted ceramics which support a central cathode electrode. This layout allows for a load-lock system to be located behind the gun chamber. The electrostatic geometry of the gun has been designed to minimize surface electric field gradients and also to provide some transverse focusing to the electron beam during transit between the cathode and anode. This paper discusses the electrode design philosophy and presents the results of electrostatic simulations. The electric field information obtained through modeling was ... continued below

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P. Evtushenko ,F.E. Hannon, C. Hernandez-Garcia May 1, 2010.

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Jefferson Laboratory (JLab) is currently developing a new 500kV DC electron gun for future use with the FEL. The design consists of two inverted ceramics which support a central cathode electrode. This layout allows for a load-lock system to be located behind the gun chamber. The electrostatic geometry of the gun has been designed to minimize surface electric field gradients and also to provide some transverse focusing to the electron beam during transit between the cathode and anode. This paper discusses the electrode design philosophy and presents the results of electrostatic simulations. The electric field information obtained through modeling was used with particle tracking codes to predict the effects on the electron beam.

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  • IPAC '10, 23-28 May 2010, Kyoto, Japan

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  • Report No.: JLAB-FEL-10-1212
  • Report No.: DOE/OR/23177-1275
  • Grant Number: AC05-06OR23177
  • Office of Scientific & Technical Information Report Number: 1009381
  • Archival Resource Key: ark:/67531/metadc839430

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  • May 1, 2010

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  • May 19, 2016, 3:16 p.m.

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  • Aug. 3, 2016, 3:15 p.m.

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P. Evtushenko ,F.E. Hannon, C. Hernandez-Garcia. ELECTROSTATIC MODELING OF THE JEFFERSON LABORATORY INVERTED CERAMIC GUN, article, May 1, 2010; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc839430/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.