Strategies for waveguide coupling for SRF cavities

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Despite widespread use of coaxial couplers in SRF cavities, a single, simple waveguide coupling can be used both to transmit generator power to a cavity, and to remove a large class of Higher Order Modes (HOMs, produced by the beam). There are balances and tradeoffs to be made, such as the coupling strength of the various frequencies, the transverse component of the coupler fields on the beam axis, and the magnitude of the surface fields and currents. This paper describes those design constraints, categories of solutions, and examples from the CEBAF Energy Upgrade studies.

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153 Kilobytes pages

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Doolittle, L.R. August 1, 1998.

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Despite widespread use of coaxial couplers in SRF cavities, a single, simple waveguide coupling can be used both to transmit generator power to a cavity, and to remove a large class of Higher Order Modes (HOMs, produced by the beam). There are balances and tradeoffs to be made, such as the coupling strength of the various frequencies, the transverse component of the coupler fields on the beam axis, and the magnitude of the surface fields and currents. This paper describes those design constraints, categories of solutions, and examples from the CEBAF Energy Upgrade studies.

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153 Kilobytes pages

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  • Linear Accelerator Conference, '98, Chicago, IL (US), 08/24/1998--08/28/1998

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  • Report No.: DOE/ER/40150-1361
  • Report No.: JLAB-ACE-98-01
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 754308
  • Archival Resource Key: ark:/67531/metadc705926

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  • August 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:58 p.m.

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Doolittle, L.R. Strategies for waveguide coupling for SRF cavities, article, August 1, 1998; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc705926/: accessed May 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.