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Article: Resonant and non-resonant generation and focusing of surface plasmons with circular gratings

TitleResonant and non-resonant generation and focusing of surface plasmons with circular gratings
Authors
Issue Date2006
Citation
Optics Express, 2006, v. 14, n. 12, p. 5664-5670 How to Cite?
AbstractWe report the generation and focusing of surface plasmon polariton (SPP) waves from normally incident light on a planar circular grating milled into a silver film. The focusing mechanism is explained by using a simple coherent interference model of SPP generation on the circular grating by the incident field. Experimental results concur well with theoretical predictions and highlight the requirement for the phase matching of SPP sources in the grating to achieve the maximum enhancement of the SPP wave at the focal point. NSOM measurements show that the plasmonic lens achieves more than a 10-fold intensity enhancement over the intensity of a single ring of the in-plane field components at the focus when the grating design is tuned to the SPP wavelength. We discuss the technique's adaptability for surface enhanced nano-scale spectroscopy. © 2006 Optical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/256923
ISSN
2020 Impact Factor: 3.894
2020 SCImago Journal Rankings: 1.394
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSteele, Jennifer M.-
dc.contributor.authorLiu, Zhaowei-
dc.contributor.authorWang, Yuan-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:58:20Z-
dc.date.available2018-07-24T08:58:20Z-
dc.date.issued2006-
dc.identifier.citationOptics Express, 2006, v. 14, n. 12, p. 5664-5670-
dc.identifier.issn1094-4087-
dc.identifier.urihttp://hdl.handle.net/10722/256923-
dc.description.abstractWe report the generation and focusing of surface plasmon polariton (SPP) waves from normally incident light on a planar circular grating milled into a silver film. The focusing mechanism is explained by using a simple coherent interference model of SPP generation on the circular grating by the incident field. Experimental results concur well with theoretical predictions and highlight the requirement for the phase matching of SPP sources in the grating to achieve the maximum enhancement of the SPP wave at the focal point. NSOM measurements show that the plasmonic lens achieves more than a 10-fold intensity enhancement over the intensity of a single ring of the in-plane field components at the focus when the grating design is tuned to the SPP wavelength. We discuss the technique's adaptability for surface enhanced nano-scale spectroscopy. © 2006 Optical Society of America.-
dc.languageeng-
dc.relation.ispartofOptics Express-
dc.titleResonant and non-resonant generation and focusing of surface plasmons with circular gratings-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1364/OE.14.005664-
dc.identifier.scopuseid_2-s2.0-33745129426-
dc.identifier.volume14-
dc.identifier.issue12-
dc.identifier.spage5664-
dc.identifier.epage5670-
dc.identifier.eissn1094-4087-
dc.identifier.isiWOS:000238437800082-
dc.identifier.issnl1094-4087-

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