Chiral media characterization using both linear and circular polarized waves

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URI: http://hdl.handle.net/10902/13153
ISBN: 978-1-5386-3284-0
ISBN: 978-1-5386-0898-2
ISBN: 978-1-5386-3283-3
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Autoría
Molina Cuberos, Gregorio José; Núñez Trigueros, María José; Margineda Puigpelat, José; García Collado, Ángel Joaquín; Gómez Gómez, ÁlvaroAutoridad Unican; Fernández Fernández, ÓscarAutoridad Unican
Fecha
2017
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© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, California, 2017, 895-896
Editorial
IEEE
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Resumen/Abstract
A new free-wave experimental method for chiral media characterization is presented. The setup is based on a pair of dual horn antennas and a diplexer 90◦ phase shifter, which allows to produce both circularly and linearly polarized waves and to measure the co- and cross-polar components of the transmission and reflection coefficients of a chiral slab under normal illumination. Then, six experimental measurements are available to retrieve three constitutive parameters. Furthermore, by including the reflection coefficient of the backed metal sample an over determined system of equations is obtained, which leads to increase the accuracy of the material characterization.
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