Waveguide DC breaks for TE01 and HE11 microwave transmission linesD. I. Sobolev, A. P. Gashturi, G. G. Denisov, G. I. Kalynova and D. A. LukovnikovEPJ Web Conf., 187 (2018) 01026DOI: https://doi.org/10.1051/epjconf/201818701026