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The chimaerical quest for the optical plasmonic superlens

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Christou, George and Mias, Christos (2015) The chimaerical quest for the optical plasmonic superlens. Plasmonics, 10 (5). pp. 1077-1079. doi:10.1007/s11468-015-9898-1 ISSN 1557-1955.

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Official URL: http://dx.doi.org/10.1007/s11468-015-9898-1

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Abstract

We aim to expose the fallacy of claiming that a plasmonic silver film superlens is capable to image real subwavelength objects. This lens was proposed by the Berkeley’s group who, in their misleading experiment, inappropriately regarded subwavelength apertures as the objects to be imaged whereas the main function of these apertures was to transform free space laser light into an evanescent field necessary for exciting the surface plasmon resonance phenomenon in silver. In addition, the apertures also determined the constrained effective area on the silver film where the phenomenon could occur. We provide a fresh insightful physical explanation of how this phenomenon is excited and what it entails. We emphasise the phenomenon’s important effect of subwavelength conversion (reduction) of the generated surface plasmons and their associated bound enhanced evanescent fields.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Social Sciences > Politics and International Studies
Library of Congress Subject Headings (LCSH): Plasmons (Physics), Surface plasmon resonance
Journal or Publication Title: Plasmonics
Publisher: Springer
ISSN: 1557-1955
Official Date: 14 February 2015
Dates:
DateEvent
14 February 2015Published
20 January 2015Accepted
Volume: 10
Number: 5
Page Range: pp. 1077-1079
DOI: 10.1007/s11468-015-9898-1
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 19 October 2017
Date of first compliant Open Access: 19 October 2017

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