Beam coupling impedance of fast stripline beam kickers

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A fast stripline beam kicker is used to dynamically switch a high current electron beam between two beamlines. The transverse dipole impedance of a stripline beam kicker has been previously determined from a simple transmission line model of the structure. This model did not include effects due to the long axial slots along the structure as well as the cavities and coaxial feed transition sections at the ends of the structure. 3-D time domain simulations show that the simple transmission line model underestimates the low frequency dipole beam coupling impedance by about 20% for our structure. In addition, the end ... continued below

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865 Kilobytes pages

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Caporaso, G; Chen, Y J; Nelson, A D & Poole, B R March 1, 1999.

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A fast stripline beam kicker is used to dynamically switch a high current electron beam between two beamlines. The transverse dipole impedance of a stripline beam kicker has been previously determined from a simple transmission line model of the structure. This model did not include effects due to the long axial slots along the structure as well as the cavities and coaxial feed transition sections at the ends of the structure. 3-D time domain simulations show that the simple transmission line model underestimates the low frequency dipole beam coupling impedance by about 20% for our structure. In addition, the end cavities and transition sections can exhibit dipole impedances not included in the transmission line model. For high current beams, these additional dipole coupling terms can provide additional beam-induced steering effects not included in the transmission line model of the structure.

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865 Kilobytes pages

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  • 1999 Particle Accelerator Conference (PAC), New York, NY (US), 03/29/1999--04/02/1999

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  • Report No.: UCRL-JC-131947
  • Report No.: 39DP01000
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 9761
  • Archival Resource Key: ark:/67531/metadc791494

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  • March 1, 1999

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  • Dec. 19, 2015, 7:14 p.m.

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  • May 5, 2016, 9:06 p.m.

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Caporaso, G; Chen, Y J; Nelson, A D & Poole, B R. Beam coupling impedance of fast stripline beam kickers, article, March 1, 1999; California. (digital.library.unt.edu/ark:/67531/metadc791494/: accessed June 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.