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Resonant transmission of microwaves through a hexagonal array of holes in a thin metal layer

Suckling, JR, Sambles, JR and Lawrence, CR (2007) Resonant transmission of microwaves through a hexagonal array of holes in a thin metal layer New Journal of Physics, 9.

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Abstract

Resonant transmission of microwaves through a hexagonal array of holes in a very thin aluminium layer is studied. The array of holes, with diameter much less than the incident wavelength, leads to a strong transmission peak at a frequency just lower than the diffraction limit of the array. The results are well-modelled using a finite element package. The effect of metal depth on transmission intensity and the maximum efficiency of the hole array is also explored. Further experimental data are presented for the transmission of microwaves as a function of angle of incidence. It is shown that strong transmission occurs at frequencies just lower than the diffraction edges of the array. Incidentally, it is also shown that less than 0.01% of normally incident microwave radiation is transmitted through a continuous metal layer of thickness only 40% of the skin depth. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.

Item Type: Article
Authors :
NameEmailORCID
Suckling, JRj.suckling@surrey.ac.ukUNSPECIFIED
Sambles, JRUNSPECIFIEDUNSPECIFIED
Lawrence, CRUNSPECIFIEDUNSPECIFIED
Date : 25 April 2007
Identification Number : 10.1088/1367-2630/9/4/101
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:09
Last Modified : 17 May 2017 15:09
URI: http://epubs.surrey.ac.uk/id/eprint/838125

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