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    National Tsing Hua University Institutional Repository > 理學院 > 物理系 > 會議論文  >  Beam characteristics of mechanically tunable magnetron injection guns

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/56199

    Title: Beam characteristics of mechanically tunable magnetron injection guns
    Authors: Yi Sheng Yeh;Tsun-Hsu Chang;Chao-Ta Fan
    教師: 張存續
    Date: 2002
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: Vacuum Electronics Conference, 2002. IVEC 2002. Third IEEE International, 2002, Pages 274 - 275
    Keywords: current density
    electron guns
    space charge
    travelling wave tubes
    Abstract: The electron beam of a gyrotron is typically generated by a magnetron injection gun (MIG). A single anode MIG capable of mechanical tuning was developed. Previous gyro-TWT assumes that the operating point of the mechanically tunable MIG is in the temperature limited region. The cathode current is thus dominated by the cathode temperature. However, a slight adjustment in position of the center electrode of the mechanically tunable MIG can significant modify the electric-field profile. The beam current of the mechanically tunable MIG is thus not only dependent on the cathode temperature, but also the relative position of center electrode.
    URI: http://www.ieee.org/
    Appears in Collections:[物理系] 會議論文

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