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Applied Physics Letters / Volume 98 / Issue 1 / INTERDISCIPLINARY AND GENERAL PHYSICS

Appl. Phys. Lett. 98, 014106 (2011); http://dx.doi.org/10.1063/1.3533815 (3 pages)

Circuit approach to the minimal configuration of terahertz anomalous extraordinary transmission

M. Beruete1, M. Navarro-Cía1, S. A. Kuznetsov2, and M. Sorolla1

1Millimeter and Terahertz Waves Laboratory, Universidad Pública de Navarra, E-31006 Pamplona, Spain
2Research-and-Education Centre “Nanosystems and Modern Materials,” Novosibirsk State University, Pirogova Str. 2, 630090 Novosibirsk, Russia and Budker Institute of Nuclear Physics SB RAS, Lavrentiev Ave. 11, 630090 Novosibirsk, Russia

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(Received 14 October 2010; accepted 11 December 2010; published online 7 January 2011)

In this letter we present an in-depth circuit analysis of anomalous extraordinary transmission (ET) through subwavelength slit and hole arrrays loaded by a dielectric slab. We show the key role played by the thickness of the dielectric slab in order to enhance the transmission for TE-polarized waves (incident electric field parallel to the slits or to the short in-plane period in hole arrays arranged in rectangular lattice) within the cut-off regime of the apertures and to suppress Wood’s anomaly. Analytical and numerical results together with experimental data are presented, showing good agreement among them. This work provides physical insight of the underlying mechanism governing anomalous ET and offers further independent control over orthogonal polarized waves impinging into subwavelength aperture arrays.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

equivalent circuits, millimetre waves, terahertz waves

PACS

  • 41.20.Jb

    Electromagnetic wave propagation; radiowave propagation

  • 84.30.Bv

    Circuit theory

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3533815

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    V. Lomakin and E. Michielssen, Phys. Rev. B 71, 235117 (2005).

    F. J. García-Vidal, L. Martín-Moreno, T. W. Ebbesen, and L. Kuipers, Rev. Mod. Phys. 82, 729 (2010).

    R. Rodríguez-Berral, F. Mesa, and F. Medina, Appl. Phys. Lett. 96, 161104 (2010)APPLAB000096000016161104000001.


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