12 November 1999 Analysis of frequency selective surfaces for quasi-optical applications
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Abstract
In this paper we present the theoretical analysis and the measurements of a quasi-optical band-pass filter, operating at 280 GHz. The filter consists of a metal screen, perforated periodically with cross-shaped apertures. The analysis is performed by the Method of the Moments (MoM), using entire domain basis functions. The Boundary Integral- Resonant Mode Expansion method is used in the calculation of the MoM matrices. The transmission and phase shifting characteristics of the band-pass filter were measured with a Terahertz Time-Domain Spectrometer and are compared with the theoretical results. The effects of the smoothness in the cross boundary, due to the fabrication process, are also discussed.
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Maurizio Bozzi, Luca Perregrini, Jochen Weinzierl, Carsten Winnewisser, "Analysis of frequency selective surfaces for quasi-optical applications", Proc. SPIE 3795, Terahertz and Gigahertz Photonics, (12 November 1999); doi: 10.1117/12.370178; https://doi.org/10.1117/12.370178
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