Formation of different orders of axial modes in the gyrotron backward-wave oscillator are shown to be governed by the optimum conditions for the beam-wave interaction. Distinctive linear properties of oscillating modes in the nonresonant structure are revealed and interpreted physically in such a perspective. Implications of these properties to the nonlinear behavior are examined with time-dependent simulations. Self-modulation, rather than axial modes competition, is found to be the cause of nonstationary behavior and regimes of stable frequency tuning are identified as a remedy.


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    Title :

    Study of axial modes in the gyrotron backward-wave oscillator


    Contributors:
    Chen, S.H. (author) / Pao, K.F. (author) / Chang, T.H. (author) / Fan, C.T. (author) / Chu, K.R. (author)


    Publication date :

    2002-01-01


    Size :

    175670 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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