ISSN 1002-1027  CN 11-2952/G2

Acta scientiarum naturalium Universitatis Pekinensis

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An Adapter for Beam Loading Compensation of IH Linear Accelerators

LU Yuanrong1, U Ratzinger2, N Angert3   

  1. 1Inst.of Heavy Ion Phys, College of Physics, Peking University, Beijing, 100871; 2Institut fuer Angewandte Physik, Frankfurt Universitaet, Germany; 3Gesellschaft fuer Schwerionenforschung MBH, Darmstadt, Germany
  • Received:2002-04-05 Online:2003-05-20 Published:2003-05-20

Abstract: The effective permeability of ferrite can be adjusted by different perpendicular biased magnetic intensity. Such characteristic could be used to manufacture variable characteristic impedance transmission line. The RF power feeder of IH linear accelerator has different input impedance with different accelerating beam current. An adapter based on above ferrite dominated transmission line has been designed and can compensate the beam loading effects and realize the impedance matching between RF high power amplifier and IH cavity automatically. The relevant computer code has been developed.