ITM Web Conf.
Volume 30, 201929th International Crimean Conference “Microwave & Telecommunication Technology” (CriMiCo’2019)
|Number of page(s)||9|
|Section||Materials and Technology of Microwave Devices (5a)|
|Published online||27 November 2019|
Estimation of losses per unit length in a rectangular waveguide with rough screening surfaces based on the concept of partial waves
1 Nizhny Novgorod State Technical University n.a. R.E. Alekseev, Minin St., 24, Nizhny Novgorod, 603950, Russia
2 Branch of Federal State Unitary Enterprise “Russian Federal Nuclear Center-All-Russian Research Institute of Experimental Physics” “Research Institute of Measuring Systems n. a. Yu.Ye. Sedakov”, Tropinin St., 47, Nizhny Novgorod, 603137, Russia
* Corresponding author: email@example.com
A method for calculating the rough surface reflection coefficient of an electromagnetic wave is proposed. It is shown that the screening surface roughness in waveguides is equivalent to a decrease in conductivity of these surfaces in comparison with values belonging to Schukin-Leontovich boundary conditions for completely smooth surfaces.
Examples of calculating the attenuation coefficient in the rectangular waveguide with rough screening surfaces in a terahertz frequency range are presented. The influence of the size and shape of the rough surface profile irregularities on the waveguide attenuation is studied.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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