RF Couplers for High Power Superconducting Ion Linacs

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Superconducting Radio Frequency (SRF) accelerating structures present a unique design environment for the high-power radio frequency (RF) antennas that deliver power to the cavity to establish the electromagnetic fields and ultimately accelerate beam. These RF couplers need to reliably transmit high power RF with low reflection and insertion loss, while simultaneously maintaining cavity vacuum, minimizing heat leak into the cryomodule, and not adversely affecting the RF cavity or cryomodule mechanics upon cool down. While a majority of research and development (R&D) on SRF couplers have been focused on electron accelerators, advances made in high-power ion accelerator design for the Spallation ... continued below

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PDF-file: 9 pages; size: 0.3 Mbytes

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Rusnak, B September 23, 2005.

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Superconducting Radio Frequency (SRF) accelerating structures present a unique design environment for the high-power radio frequency (RF) antennas that deliver power to the cavity to establish the electromagnetic fields and ultimately accelerate beam. These RF couplers need to reliably transmit high power RF with low reflection and insertion loss, while simultaneously maintaining cavity vacuum, minimizing heat leak into the cryomodule, and not adversely affecting the RF cavity or cryomodule mechanics upon cool down. While a majority of research and development (R&D) on SRF couplers have been focused on electron accelerators, advances made in high-power ion accelerator design for the Spallation Neutron Source (SNS), the Japan Proton Accelerator Research Complex (JPARC), and the Rare Isotope Accelerator (RIA) have necessitated developing high-power RF couplers for these applications as well. This paper examines the present state of RF coupler development and R&D for superconducting ion accelerator applications.

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PDF-file: 9 pages; size: 0.3 Mbytes

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  • Presented at: 34th ICFA Advanced Beam Dynamics Workshop on High Power Superconducting Ion, Proton, and Multi-Species Linacs, Naperville, IL, United States, May 22 - May 24, 2005

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  • Report No.: UCRL-CONF-215776
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 877757
  • Archival Resource Key: ark:/67531/metadc875629

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • September 23, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 9, 2016, 8:23 p.m.

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Rusnak, B. RF Couplers for High Power Superconducting Ion Linacs, article, September 23, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc875629/: accessed May 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.