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Applied Physics Letters / Volume 90 / Issue 22 / DEVICE PHYSICS

Appl. Phys. Lett. 90, 223506 (2007); http://dx.doi.org/10.1063/1.2745202 (3 pages)

Enhanced microwave transmission through a patterned metal film

R. J. Kelly1, M. J. Lockyear1, J. R. Suckling1, J. R. Sambles1, and C. R. Lawrence2

1Electromagnetic Materials Group, School of Physics, University of Exeter, Devon EX4 4QL, United Kingdom
2Qinetiq, Cody Technology Park, Farnborough, Hampshire GU14 0LX, United Kingdom

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(Received 19 January 2007; accepted 7 May 2007; published online 31 May 2007)

Selective transmission of radiation through a two-dimensional array of subwavelength slits in an otherwise opaque thin metal film is presented at microwave frequencies. Individual slits are modified with the addition of perpendicular cuts, which interestingly and perhaps counterintuitively leads to resonant transmission when the incident radiation is polarized parallel to the slits. Finite element modeling of the structure shows the transmission of radiation polarized parallel to the slit direction to be a result of induced surface currents exciting a zeroth-order Fabry-Pérot mode.

© 2007 American Institute of Physics

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KEYWORDS and PACS

Keywords

metallic thin films, microwave propagation, finite element analysis

PACS

  • 78.70.Gq

    Microwave and radio-frequency interactions

  • 41.20.Jb

    Electromagnetic wave propagation; radiowave propagation

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2745202

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.
    J. A. Porto, F. J. Garcia-Vidal, and J. B. Pendry, Phys. Rev. Lett. 83, 2845 (1999).

    H. E. Went, A. P. Hibbins, J. R. Sambles, C. R. Lawrence, and A. P. Crick, Appl. Phys. Lett. 77, 2789 (2000)APPLAB000077000018002789000001.

    Y. Takakura, Phys. Rev. Lett. 86, 5601 (2001).

    A. P. Hibbins, J. R. Sambles, C. R. Lawrence, and D. M. Robinson, Appl. Phys. Lett. 79, 2844 (2001)APPLAB000079000017002844000001.

    A. P. Hibbins, J. R. Sambles, and C. R. Lawrence, Appl. Phys. Lett. 81, 4661 (2002)APPLAB000081000024004661000001.

    J. R. Suckling, A. P. Hibbins, M. J. Lockyear, T. W. Preist, J. R. Sambles, and C. R. Lawrence, Phys. Rev. Lett. 92, 147401 (2004).

    A. P. Hibbins, J. R. Sambles, C. R. Lawrence, and J. R. Brown, Phys. Rev. Lett. 92, 143904 (2004).

    J. R. Suckling, J. R. Sambles, and C. R. Lawrence, Phys. Rev. Lett. 95, 187407 (2005).


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