Transmission of microwave radiation through a sub-wavelength slit with internal structure

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Transmission of microwave radiation through a sub-wavelength slit with internal structure

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dc.contributor.author Lockyear, Matthew J. en_GB
dc.contributor.author Hibbins, Alastair P. en_GB
dc.contributor.author Sambles, J. Roy en_GB
dc.contributor.department University of Exeter en_GB
dc.date.accessioned 2009-01-21T11:38:19Z en_GB
dc.date.accessioned 2011-01-25T11:54:31Z en_US
dc.date.accessioned 2013-03-20T13:00:52Z
dc.date.issued 2008 en_GB
dc.description.abstract Fabry-Perot cavities are perhaps the best known of the optical transmission resonators, with cavity field enhancement accomplished by two parallel and partially reflecting planes. Recently it has been shown that arrays of narrow slits cut into a metal substrate are similarly able to exhibit resonant transmission modes. Here, the transmission of normally incident plane wave microwaves through a single stepped sub-wavelength slit in a thick metal plate is explored. The presence of the step substantially increases the radiation wavelength, which may be resonantly transmitted to well beyond twice the plate thickness. Insight into the resonant behaviour of the stepped slit is provided through the analysis of the field solutions produced by a finite element model. This model also predicts resonant transmission which is in excellent agreement with the experimental results. en_GB
dc.identifier.citation Vol. 6987, article 69871V en_GB
dc.identifier.doi 10.1117/12.780588 en_GB
dc.identifier.uri http://hdl.handle.net/10036/47818 en_GB
dc.language.iso en en_GB
dc.publisher SPIE en_GB
dc.relation.url http://dx.doi.org/10.1117/12.780588 en_GB
dc.subject Fabry-Perot en_GB
dc.subject sub-wavelength slit en_GB
dc.subject waveguide mediated transmission en_GB
dc.subject etalon en_GB
dc.title Transmission of microwave radiation through a sub-wavelength slit with internal structure en_GB
dc.type Meetings and Proceedings en_GB
dc.date.available 2009-01-21T11:38:19Z en_GB
dc.date.available 2011-01-25T11:54:31Z en_US
dc.date.available 2013-03-20T13:00:52Z
dc.identifier.issn 0277-786X en_GB
dc.description Copyright © 2008 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE Volume 6987, article 69871V and is made available with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. en_GB
dc.identifier.journal Proceedings of SPIE en_GB


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