A thermionic cusp gun is proposed for use in a 3 MW second harmonic X-band gyro-TWA with a helically corrugated waveguide interaction region. The passage of an electron beam through a non-adiabatic magnetic field reversal converts part of the electron beam's axial velocity into axis-encircling transverse velocity. The paper presents the design and simulation of this cusp based electron beam forming system, yielding a 10 MW, 83 A axis encircling beam with an axial velocity spread /spl Delta/v/sub z/<16% suitable for use in harmonic gyro-devices.


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    Title :

    The design and simulation of a thermionic cusp-based axis-encircling electron beam for use in harmonic gyro-devices


    Contributors:
    Rafferty, E.G. (author) / Phelps, A.D.R. (author) / He, W. (author) / Cross, A.W. (author) / Ronald, K. (author)


    Publication date :

    2004-01-01


    Size :

    155850 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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