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Article: A carpet cloak for visible light

TitleA carpet cloak for visible light
Authors
KeywordsOptical metamaterials
invisibility cloak
nanofabrication
transformation optics
Issue Date2011
Citation
Nano Letters, 2011, v. 11, n. 7, p. 2825-2828 How to Cite?
AbstractWe report an invisibility carpet cloak device, which is capable of making an object undetectable by visible light. The cloak is designed using quasi conformal mapping and is fabricated in a silicon nitride waveguide on a specially developed nanoporous silicon oxide substrate with a very low refractive index (n<1.25). The spatial index variation is realized by etching holes of various sizes in the nitride layer at deep subwavelength scale creating a local effective medium index. The fabricated device demonstrates wideband invisibility throughout the visible spectrum with low loss. This silicon nitride on low index substrate can also be a general scheme for implementation of transformation optical devices at visible frequencies. © 2011 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/257070
ISSN
2023 Impact Factor: 9.6
2023 SCImago Journal Rankings: 3.411
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGharghi, Majid-
dc.contributor.authorGladden, Christopher-
dc.contributor.authorZentgraf, Thomas-
dc.contributor.authorLiu, Yongmin-
dc.contributor.authorYin, Xiaobo-
dc.contributor.authorValentine, Jason-
dc.contributor.authorZhang, Xiang-
dc.date.accessioned2018-07-24T08:58:45Z-
dc.date.available2018-07-24T08:58:45Z-
dc.date.issued2011-
dc.identifier.citationNano Letters, 2011, v. 11, n. 7, p. 2825-2828-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10722/257070-
dc.description.abstractWe report an invisibility carpet cloak device, which is capable of making an object undetectable by visible light. The cloak is designed using quasi conformal mapping and is fabricated in a silicon nitride waveguide on a specially developed nanoporous silicon oxide substrate with a very low refractive index (n<1.25). The spatial index variation is realized by etching holes of various sizes in the nitride layer at deep subwavelength scale creating a local effective medium index. The fabricated device demonstrates wideband invisibility throughout the visible spectrum with low loss. This silicon nitride on low index substrate can also be a general scheme for implementation of transformation optical devices at visible frequencies. © 2011 American Chemical Society.-
dc.languageeng-
dc.relation.ispartofNano Letters-
dc.subjectOptical metamaterials-
dc.subjectinvisibility cloak-
dc.subjectnanofabrication-
dc.subjecttransformation optics-
dc.titleA carpet cloak for visible light-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/nl201189z-
dc.identifier.pmid21619019-
dc.identifier.scopuseid_2-s2.0-79960268840-
dc.identifier.volume11-
dc.identifier.issue7-
dc.identifier.spage2825-
dc.identifier.epage2828-
dc.identifier.eissn1530-6992-
dc.identifier.isiWOS:000292849400045-
dc.identifier.issnl1530-6984-

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