Development of 5 GHz Permanent Magnet Peniotron

Nobuyuki SATO  Shinji SUZUKI  Kunihiro ENDO  Katsumi SAGAE  Kuniyoshi YOKOO  Toshiyuki KIKUNAGA  

IEICE TRANSACTIONS on Electronics   Vol.E83-C    No.10    pp.1677-1682
Publication Date: 2000/10/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electron Tubes, Vacuum and Beam Technologies
peniotron,  gyrotron,  permanent magnet,  

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The Paper describes design and experiment of 2nd cyclotron harmonic peniotron at microwave region using a permanent magnet system. The magnet system using a cylindrical magnet magnetized along the cylindrical axis is designed and fabricated. The 2nd cyclotron harmonic peniotron operating at the π mode in a six vane magnetron waveguide resonator and at 5 GHz was constructed by using the magnet system. The peak electronic efficiency higher than 30% was achieved at the π mode in the resonator.