Peponis, V, Dimitrios Latsas, George P. Tigelis, Ioannis G., Investigation of Cylindrical Waveguides with Periodic Wedge-Shaped Azimuthal Corrugations Excited by TE Modes Using the FDTD Method, Journal of Infrared, Millimeter and Terahertz Waves, (42), 761-771, 2021, Springer-Verlag, 1866-6892, 1866-6906