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Fundamental bounds ...
Fundamental bounds on extraordinary transmission with experimental validation
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- Ludvig-Osipov, Andrei (författare)
- KTH Royal Institute of Technology
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- Lundgren, Johan (författare)
- Lund University,Lunds universitet,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,Electromagnetic Theory,Lund University Research Groups
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- Ehrenborg, Casimir (författare)
- Lund University,Lunds universitet,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,Electromagnetic Theory,Lund University Research Groups
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- Ivanenko, Yevhen (författare)
- Linnaeus University
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- Ericsson, Andreas (författare)
- TICRA A/S
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- Gustafsson, Mats (författare)
- Lund University,Lunds universitet,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,Electromagnetic Theory,Lund University Research Groups
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- Jonsson, Lars (författare)
- KTH Royal Institute of Technology
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- Sjöberg, Daniel (författare)
- Lund University,Lunds universitet,Institutionen för elektro- och informationsteknik,Institutioner vid LTH,Lunds Tekniska Högskola,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,Department of Electrical and Information Technology,Departments at LTH,Faculty of Engineering, LTH,Electromagnetic Theory,Lund University Research Groups
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(creator_code:org_t)
- 2018
- Engelska 19 s.
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Serie: TEAT-7263 ; 7263
- Relaterad länk:
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https://portal.resea... (primary) (free)
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- This paper presents a study of extraordinary transmission (EoT) through arrays of sub-wavelength apertures. Fundamental limitations for this phenomenon are formulated as a sum rule, relating the transmission coefficient over a bandwidth to the static polarizability. The sum rule is rigorously derived for arbitrary periodic apertures in thin screens. By this sum rule we establish a physical bound on the bandwidth of EoT which is verified numerically for a number of aperture array designs. We utilize the sum rule to design and optimize sub-wavelength frequency selective surfaces with a bandwidth close to the physically attainable. Finally, we verify the sum rule and simulations by measurements of an array of horseshoe-shaped slots milled in aluminum foil.
Publikations- och innehållstyp
- rap (ämneskategori)
- vet (ämneskategori)