Keyword: klystron
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MOP077 Ceramic Study on RF Windows for Power Coupler, Waveguide, and Klystron in Particle Accelerator electron, GUI, operation, multipactoring 255
 
  • Y. Yamamoto, S. Michizono
    KEK, Ibaraki, Japan
 
  R&Ds on different types of ceramic used in power coupler, waveguide, and klystron for particle accelerators are under progress in Center of Innovation (COI) at KEK, and at some outside companies. There are five important parameters on the properties of ceramics; that is, relative permittivity, dielectric loss tangent, surface and volume resistivity, and secondary electron emission coefficient. For measurements of these parameters, eight kinds of ceramic samples supplied from five vendors have been measured using three different measurement systems since 2017. In this report, the recent results for these studies will be presented in detail.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2019-MOP077  
About • paper received ※ 22 June 2019       paper accepted ※ 01 July 2019       issue date ※ 14 August 2019  
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TUP036 Commissioning of Klystron Transmitters with 270 kWCW at 1.3 GHz cavity, GUI, power-supply, SRF 499
 
  • B. Schriefer, W. Anders, A. Heugel, H. Hoffmann, G. Mielczarek, H. Stein
    HZB, Berlin, Germany
 
  In Berlin-Adlershof the Helmholtz-Zentrum Berlin (HZB) is constructing the energy recovery linac ’BERLinPro’. Three klystron transmitters each 270 kWCW at 1.3 GHz are installed at the injection path of the ERL. The RF plant includes circulators and water loads. This paper describes the commissioning of the first klystron, calibration of the RF level control system as well as comparison with calorimetric output power measurements to verify the results.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-SRF2019-TUP036  
About • paper received ※ 03 November 2019       paper accepted ※ 03 November 2019       issue date ※ 14 August 2019  
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