Abstract
Using a numerical model, we propose a source of microwave pulses, based on the interaction of a high-current relativistic electron beam with plasma. The source is an intrinsic noise amplifier with a pulse duration shorter than 3 ns, which does not permit the emergence of feedback and self-excited generation. The wave gain factor depending on the plasma concentration makes it possible to control the radiation frequency in the range 4–17 GHz, within which a spectral width of ∼2 GHz, a power of ∼150 MW, and an energy efficiency up to 15% are preserved. The possibility of using the available small-size source of high-voltage pulses with a high repetition rate is considered.
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Original Russian Text © S.E. Ernyleva, V.O. Litvin, O.T. Loza, I.L. Bogdankevich, 2014, published in Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 84, No. 8, pp. 127–131.
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Ernyleva, S.E., Litvin, V.O., Loza, O.T. et al. Promising source of high-power broadband microwave pulses with radiation frequency variable up to two octaves. Tech. Phys. 59, 1228–1232 (2014). https://doi.org/10.1134/S1063784214080106
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DOI: https://doi.org/10.1134/S1063784214080106