Simulation of the High-Pass Filter for 56MHz Cavity for RHIC

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The 56MHz Superconducting RF (SRF) cavity for RHIC places high demands High Order Mode (HOM) damping, as well as requiring a high field at gap with fundamental mode frequency. The damper of 56MHz cavity is designed to extract all modes to the resistance load outside, including the fundamental mode. Therefore, the circuit must incorporate a high-pass filter to reflect back the fundamental mode into the cavity. In this paper, we show the good frequency response map obtained from our filter's design. We extract a circuit diagram from the microwave elements that simulate well the frequency spectrum of the finalized filter. ... continued below

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Wu, Q. & Ben-Zvi, I. May 23, 2010.

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The 56MHz Superconducting RF (SRF) cavity for RHIC places high demands High Order Mode (HOM) damping, as well as requiring a high field at gap with fundamental mode frequency. The damper of 56MHz cavity is designed to extract all modes to the resistance load outside, including the fundamental mode. Therefore, the circuit must incorporate a high-pass filter to reflect back the fundamental mode into the cavity. In this paper, we show the good frequency response map obtained from our filter's design. We extract a circuit diagram from the microwave elements that simulate well the frequency spectrum of the finalized filter. We also demonstrate that the power dissipation on the filter over its frequency range is small enough for cryogenic cooling.

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  • First International Particle Accelerator Conference (IPAC) 2010; Kyoto, Japan; 20100523 through 20100528

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  • Report No.: BNL--90770-2010-CP
  • Grant Number: DE-AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 1013485
  • Archival Resource Key: ark:/67531/metadc837327

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Office of Scientific & Technical Information Technical Reports

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  • May 23, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Aug. 30, 2016, 3:39 p.m.

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Wu, Q. & Ben-Zvi, I. Simulation of the High-Pass Filter for 56MHz Cavity for RHIC, article, May 23, 2010; United States. (digital.library.unt.edu/ark:/67531/metadc837327/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.