The gyrotron backward-wave oscillator (gyro-BWO) is sensitive to external reflections because it employs a non-resonant interaction structure. These reflections may result in serious output power variations and ragged frequency tuning. A numerical model is developed for the investigation of the reflection effects. It treats beam-wave interactions in the presence of external reflections. As a hybrid feature of the formalism, external reflections are self-consistently determined by the structures, rather than artificially set as a constant value as in previous models. The model has been employed to examine the effects of external reflections on the tunable bandwidth of the gyro-BWO, and showed the resonance in the external circuit is the major cause of the ragged frequency tuning.


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    Titel :

    Effects of external reflections on gyrotron backward wave oscillators


    Beteiligte:
    Chen, S.H. (Autor:in) / Chiu, C.C. (Autor:in) / Chang, T.H. (Autor:in) / Pao, K.F. (Autor:in) / Chu, K.R. (Autor:in)


    Erscheinungsdatum :

    2004-01-01


    Format / Umfang :

    182156 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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