Abstract
A number of experimental plasma devices require high-power sources of electromagnetic radiation in a range of 5 to 30 GHz. In this paper, we consider gyrotrons as such sources. The difficulties of creating long-wavelength gyrotrons are discussed and the possibility to overcome them is shown for already existing and currently developed oscillators. We present the results of studies aimed at development of high-power, long-pulse, low-frequency gyrotrons in Russia, as well as the designs and performance parameters of industrial gyrotrons operated at frequencies 5 and 28 GHz with an output power of 0.5 MW. Several design versions of the gyrotrons with operating frequencies 17.5 and 28 GHz, an output power of up to 1 MW, and a pulse duration of up to 5 s are discussed and the design features which make it possible to overcome the difficulties of their manufacturing are considered.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 49, No. 3, pp. 207–218, March 2006.
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Zapevalov, V.E., Kalynov, Y.K., Lygin, V.K. et al. Low-frequency gyrotrons for fusion studies. Radiophys Quantum Electron 49, 185–195 (2006). https://doi.org/10.1007/s11141-006-0051-z
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DOI: https://doi.org/10.1007/s11141-006-0051-z