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Title: Multilayer aperture ring frequency selective surface modelling
Authors: Jayawardene, M.
Dickie, R.
Flint, James A.
Vardaxoglou, J.C.
Cahill, R.
Gamble, H.S.
Fusco, V.F.
Grant, N.
Issue Date: 2005
Publisher: © IEEE
Citation: JAYAWARDENE, M. ...et al, 2005. Multilayer aperture ring frequency selective surface modelling. IN: IEEE Antennas and Propagation Society International Symposium, Volume 4A, 2005 Digest, July 3-8, 2005, Washington D.C., pp. 392-395.
Abstract: This paper describes the design ofa low loss quasi-optical beam splitter, which is required to provide efficient diplexing of the bands 316.5-325.5 GHz and 349.5-358.5 GHz with at least 20dB ofisolation. To minimise the filter insertion loss, a Frequency Selective Surfaces (FSS) that consists offreestanding resonant shorted ring elements is proposed. In addition, to achieve the stringent isolation a two layer FSS structure is required. Two commercial electromagnetic modelling tools, a time domain Finite Integral Method (FIT) and a Finite Element Method (FEM) solver are used to obtain the specified transmission response. The FIT solver was used to generate fast design information at normal incidence while the FEM was only used to obtain the final design of the FSS at 45 ° due to its substantially increased run times.
Description: This is a conference paper [© IEEE]. It is also available at: http://ieeexplore.ieee.org/ Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Version: Published
DOI: 10.1109/APS.2005.1552674
URI: https://dspace.lboro.ac.uk/2134/6290
Appears in Collections:Conference Papers and Contributions (Electronic, Electrical and Systems Engineering)

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