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Phys. Rev. B 76, 241102(R) (2007) [4 pages]

Transmission of light through periodic arrays of square holes: From a metallic wire mesh to an array of tiny holes

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J. Bravo-Abad1, L. Martín-Moreno2, F. J. García-Vidal1,*, E. Hendry3, and J. Gómez Rivas4
1Departamento de Física Teorica de la Materia Condensada, Universidad Autonoma de Madrid, E-28049 Madrid, Spain
2Departamento de Fisica de la Materia Condensada, ICMA, Universidad de Zaragoza, E-50009 Zaragoza, Spain
3Thin Films Photonics Group, School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, United Kingdom
4FOM Institute for Atomic and Molecular Physics AMOLF, c/o Philips Research Laboratories, High Tech Campus 4, 5656 AE Eindhoven, The Netherlands

Received 30 October 2007; published 7 December 2007

A complete landscape is presented of the electromagnetic coupling between square holes forming a two-dimensional periodic array in a metallic film. By combining both experimental and theoretical results along with a first-principles Fano model, we study the crossover between the physics of metallic wire meshes (when holes occupy most of the unit cell) and the phenomenon of extraordinary optical transmission, which appears when the size of the holes is very small in comparison with the period of the array.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.76.241102
DOI:
10.1103/PhysRevB.76.241102
PACS:
42.79.Ag, 41.20.Jb, 42.25.Bs, 73.20.Mf

*Corresponding author; fj.garcia@uam.es

 
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