Document Detail


Beaming light from a subwavelength aperture.
MedLine Citation:
PMID:  12077423     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Light usually diffracts in all directions when it emerges from a subwavelength aperture, which puts a lower limit on the size of features that can be used in photonics. This limitation can be overcome by creating a periodic texture on the exit side of a single aperture in a metal film. The transmitted light emerges from the aperture as a beam with a small angular divergence (approximately +/-3 degrees ) whose directionality can be controlled. This finding is especially surprising, considering that the radiating region is mainly confined to an area with lateral dimensions comparable to the wavelength of the light. The device occupies no more than one cubic micrometer and, when combined with enhanced transmission, suggests that a wide range of photonic applications is possible.
Authors:
H J Lezec; A Degiron; E Devaux; R A Linke; L Martin-Moreno; F J Garcia-Vidal; T W Ebbesen
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Publication Detail:
Type:  Journal Article     Date:  2002-06-20
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  297     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2002 Aug 
Date Detail:
Created Date:  2002-08-05     Completed Date:  2002-08-20     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  820-2     Citation Subset:  -    
Affiliation:
ISIS, Louis Pasteur University, 4 rue B. Pascal, 67000 Strasbourg, France.
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