Scattering and reflection of a quasi-periodic unit cell sequence for reflectarray and holographic applications

Y. Ranga*, Stuart Hay, L. Matekovits, M. Orefice, Karu P. Esselle

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

3 Citations (Scopus)

Abstract

Scattering and reflection characteristics of quasi-periodic uni-cell combinations are investigated. The unit cells consist of a width-modulated microstrip line laying on a single layer grounded dielectric, where the modulation inside the unit cells is individually controllable. A sequential positioning of unit cells with different modulation parameters results in a quasi-periodic arrangement, allowing the control of the phase and scattering of fields from the resulting metasurface. A normally incident plane wave excitation is considered and results for different single unit cells and their quasi-periodic arrangements are presented. The possibility of effective control of the reflection phase with the order of sequence of the single unit cells is demonstrated. From application point of view, the analytic expression for the dispersion characteristics of single unit cells reduces the design time for large surfaces, such as as holographic planes and reflectarrays.

Original languageEnglish
Title of host publicationProceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages2858-2860
Number of pages3
ISBN (Electronic)9781457709203
ISBN (Print)9781457709180
DOIs
Publication statusPublished - 2012
Event6th European Conference on Antennas and Propagation, EuCAP 2012 - Prague, Czech Republic
Duration: 26 Mar 201230 Mar 2012

Other

Other6th European Conference on Antennas and Propagation, EuCAP 2012
CountryCzech Republic
CityPrague
Period26/03/1230/03/12

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