Title

ENHANCED DESIGN OF NARROWBAND FILTERS BASED ON THE EXTRAORDINARY TRANSMISSION THROUGH SINGLE FISHNET STRUCTURES

Authors

Authors

N. S. Nye; A. I. Dimitriadis; N. V. Kantartzis;T. D. Tsiboukis

Comments

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Abbreviated Journal Title

Prog. Electromagn. Res.

Keywords

SUBWAVELENGTH HOLE ARRAYS; INDEX PHOTONIC METAMATERIALS; SURFACE-PLASMONS; OPTICAL-TRANSMISSION; ELECTROMAGNETIC-WAVE; DIFFRACTION; PROPAGATION; CIRCUIT; PLANE; Engineering, Electrical & Electronic; Physics, Applied; Telecommunications

Abstract

A systematic method for the efficient design of narrowband filters founded on the extraordinary transmission via single fishnet structures (SFSs) is presented in this paper. Essentially, due to its strong resonant behavior, this phenomenon is proven suitable for the implementation of high-Q devices. The new design formulas are derived through the combination of full-wave numerical simulations and curve fitting algorithms. Also, adequate mathematical criteria are defined for the evaluation of the filters' linear performance, indicating that the transmitted electromagnetic waves remain practically undistorted in the frequency band of interest. Then, by exploiting the previously developed relations, proper correction factors are introduced in the existing SFS equivalent circuit expressions, which hardly increase the overall computational complexity. This quantitative modification leads to an enhanced characterization of SFSs, as key components for diverse applications. Finally, several limitations as well as possible ways of extending the featured algorithm to more complicated structures and higher frequency bands are briefly discussed.

Journal Title

Progress in Electromagnetics Research-Pier

Volume

143

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

349

Last Page

368

WOS Identifier

WOS:000331095700018

ISSN

1559-8985

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