alexa Abstract | Electromagnetic Wave Theory for Calculation of Exact Magnetic Field in Case of BWO
ISSN: 2332-0796

Journal of Electrical & Electronic Systems
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Research Article Open Access


Overall efficiency of high power microwave generating device depends upon input current in the form of electron beam and currents required for electromagnets. In order to increase the efficiency of device, if electromagnets are replaced by permanent magnets, overall efficiency of device shall increase. So, calculation of exact magnetic field is required. In this paper, the exact relation of magnetic field required in high power microwave generation using Backward Wave Oscillator (BWO) is found. BWO interacts with slow waves and is the most promising device to produce high power microwaves. The interaction involves the beams from high current density and the waveguide mode. An exact relation that specifically relates the various parameters of the waveguide like slow wave structures (SWS) dimensions, input beam voltage and operational frequency with axial magnetic field is derived. The derived equation gives calculation of exact values of magnetic field for focusing of beams. Theoretical and simulated work show good agreement with the previously available experimental data. So, with the derived electromagnetic wave relation exact value of magnetic field is calculated for desired frequency and power regime.

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Author(s): Hadap A, Reddy KTV and Banerjee TS


High power microwave, Oscillator, Magnetic field, Wiggler, High current electron, High power microwave, Oscillator, Magnetic field, Wiggler, High current electron

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