Experimental demonstration of phase resonances in metallic compound gratings with subwavelength slits in the millimeter wave regime

Miguel Navarro-Cia, Diana C. Skigin, Miguel Beruete, Mario Sorolla

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

We provide experimental evidence of phase resonances in metallic periodic structures in which each period comprises several subwavelength slits of the same width. We have analyzed and measured the response of these structures in the millimeter wave regime and show that phase resonances are characterized by a remarkable minimum in the transmission response, as predicted by numerical calculations. We compare experimental with numerical results, obtaining a very good agreement between them. This experimental confirmation encourages research in compound structures and their multiple potential applications, such as frequency selective surfaces.

Original languageEnglish
Article number091107
JournalApplied Physics Letters
Volume94
Issue number9
DOIs
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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