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Millimeter-wave left-handed extraordinary transmission metamaterial demultiplexer

Navarro-Cia, M; Beruete, M; Sorolla, M; Campillo, I; (2009) Millimeter-wave left-handed extraordinary transmission metamaterial demultiplexer. IEEE Antennas and Wireless Propagation Letters , 8 212 - 215. 10.1109/LAWP.2008.2005041.

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Abstract

In this work, by using an extraordinary transmission metamaterial prism and taking advantage of its inherent dispersive behavior, the feasibility of manufacturing a demultiplexer/multiplexer or even a spectrogram analyzer at millimeter-waves is shown. Depending on the incoming beam frequency, the outgoing beam suffers in a wedge-shaped configuration a different deflection (governed by Snell's law). Since the frequency dependent index of refraction of this metamaterial can go from negative values to almost zero for the first propagation band (cut-off regime) and also be positive for the second propagation mode (non-cut-off regime), different negative and positive outgoing angles can be obtained and then, diverse paths for each frequency, as the Fresnel zone experimental results confirm. © 2009 IEEE.

Type:Article
Title:Millimeter-wave left-handed extraordinary transmission metamaterial demultiplexer
DOI:10.1109/LAWP.2008.2005041
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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