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Selective dual-band subwavelength-hole-arrays-based polariser

Navarro-Cía, M; Beruete, M; Falcone, F; Sorolla Ayza, M; Campillo, I; (2010) Selective dual-band subwavelength-hole-arrays-based polariser. IET Microwaves, Antennas and Propagation , 4 (8) 1092 - 1097. 10.1049/iet-map.2009.0491.

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The design and measurement of a novel dual-band polariser for millimetre-waves based on cavity effects and extraordinary transmission resonance is presented in this paper. A further analysis of a linear extraordinary transmission polariser recently proposed and its stack suggests the feasibility of designing different polarisation responses by changing the orientation of the middle wafer in a 3-wafers-stack. The measurements have been recorded by an AB-Millimetre Quasi-optical Vector Network Analyzer under Fresnel illumination and a vertical dual-band polariser is achieved by a configuration of three wafers in which the central one has been rotated 90°. This result should find application in the design of new generation of polarising miniaturised devices, not only in the sub-terahertz range, but also in the optical regime. © 2010 The Institution of Engineering and Technology.

Title:Selective dual-band subwavelength-hole-arrays-based polariser
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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