Experimentally excellent beaming in a two-layer dielectric structure

We demonstrate both experimentally and theoretically that a two-layer dielectric structure can provide collimation and enhanced transmission of a Gaussian beam passing through it. This is due to formation of surface localized states along the layered structure and the coupling of these states to out...

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Bibliographic Details
Published inOptics express Vol. 22; no. 19; pp. 23147 - 23152
Main Authors Tasolamprou, Anna C, Zhang, Lei, Kafesaki, Maria, Koschny, Thomas, Soukoulis, Costas M
Format Journal Article
LanguageEnglish
Published United States Optical Society of America (OSA) 22.09.2014
Subjects
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Computer Simulation
Electric Conductivity
gratings
Micro-Electrical-Mechanical Systems - methods
Models, Theoretical
photonic crystals
surface plasmons
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Summary:We demonstrate both experimentally and theoretically that a two-layer dielectric structure can provide collimation and enhanced transmission of a Gaussian beam passing through it. This is due to formation of surface localized states along the layered structure and the coupling of these states to outgoing propagating waves. A system of multiple cascading two-layers can sustain the beaming for large propagation distances.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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USDOE
AC02-07CH11358
IS-J-8508
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.22.023147