Zavolsky N. A. RussiaNizhny Novgorod Institute of Applied Physics of the Russian Academy of Sciences, ul. Ul'yanova, 46, Nizhny Novgorod , 603950, Russia zavolsky@appl.sci-nnov.ru Author's articles ZONES OF STABLE SINGLE-MODE GENERATION IN OVERMODED GYROTRONS THE INVESTIGATION OF SUBTERAHERTZ GYROTRON FOR DNP SPECTROSCOPY IN THE IAP RAS DESIGN OF W-BAND 5–10 MW OUTPUT POWER RELATIVISTIC GYROTRON THE INFLUENCE OF THE AZIMUTHAL INHOMOGENEITY OF ELECTRON BEAM–MICROWAVE INTERACTION ON THE OPERATION REGIME OF SUBTERAHERTZ GYROTRONS ПРОЕКТ РЕЛЯТИВИСТСКОГО ГИРОТРОНА W-ДИАПАЗОНА С ВЫХОДНОЙ МОЩНОСТЬЮ 5–10 МВТ THE INFLUENCE OF THE AZIMUTHAL INHOMOGENEITY OF ELECTRON BEAM–MICROWAVE INTERACTION ON THE OPERATION REGIME OF SUBTERAHERTZ GYROTRONS