Planar slow-wave structures for miniaturized low-voltage Cherenkov devicesN.M. Ryskin, A.I. Benedik, A.G. Rozhnev, N.I. Sinitsyn, G.V. Torgashov and R.A. TorgashovEPJ Web Conf., 149 (2017) 04027DOI: https://doi.org/10.1051/epjconf/201714904027