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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v67.i9.20
pages 783-793

Phase Velocity Optimization in a Millimeter-Wavelength Orotron with a Tilted Electron Beam

V. D. Yeryomka
Belarus State University of Computer Science and radio Electronics, 6, P.Brovka St., Minsk, 220027, Belarus; O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
А. А. Kuraev
Belarus State University of Computer Science and Radio Electronics, 6 P. Brovka St., 220013 Minsk, Belarus
Anatoliy K. Sinitsyn
Belarusian State University of Informatics and Radioelectronics, 6 P. Brovki St., Minsk, 220285, Belarus


Results of mathematical modeling and parameter optimization are presented for orotrons with both regular and irregular spatial periods of the reflecting gratings of the comb type. A technique is suggested for optimizing the law of variation of the comb pitch that has been developed, based on the atomic function formalism with account of the counter-traveling wave. The clinotron effect is applied to improve the efficiency of energy exchange between the electron beam and the electromagnetic field of the open cavity. As has been found, with tilt angles of the electron beam toward the comb surface about α = 0.5° to 6° and with an optimized law of the comb pitch variation the electron efficiency of the orotron may reach 70%, while with α = 0° the maximum efficiency does not exceed 50%.

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