TY JOUR TI Planar Slow-Wave Structures for Millimeter Wave Band TWT KW slow-wave structure KW electron beam KW diamond KW TWT KW dispersion KW beam intercept JO Infocommunications and Radio Technologies AU Bogomolova, E.A. AU Galdeckiy, A.V. AU Savin, A.N. PY 2022 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University