年間 12 号発行
ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009
Indexed in
Phase Velocity Optimization in a Millimeter-Wavelength Orotron with a Tilted Electron Beam
要約
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%.