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- Publisher Website: 10.1021/nl204118h
- Scopus: eid_2-s2.0-84858264969
- PMID: 22309161
- WOS: WOS:000301406800055
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Article: Ultrabroadband light absorption by a sawtooth anisotropic metamaterial slab
Title | Ultrabroadband light absorption by a sawtooth anisotropic metamaterial slab |
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Authors | |
Keywords | absorber anisotropic metamaterials Slow light thin film ultrabroadband |
Issue Date | 2012 |
Citation | Nano Letters, 2012, v. 12, n. 3, p. 1443-1447 How to Cite? |
Abstract | We present an ultrabroadband thin-film infrared absorber made of sawtoothed anisotropic metamaterial. Absorptivity of higher than 95% at normal incidence is supported in a wide range of frequencies, where the full absorption width at half-maximum is about 86%. Such property is retained well at a very wide range of incident angles too. Light of shorter wavelengths are harvested at upper parts of the sawteeth of smaller widths, while light of longer wavelengths are trapped at lower parts of larger tooth widths. This phenomenon is explained by the slowlight modes in anisotropic metamaterial waveguide. Our study can be applied in the field of designing photovoltaic devices and thermal emitters. © 2012 American Chemical Society. |
Persistent Identifier | http://hdl.handle.net/10722/318507 |
ISSN | 2021 Impact Factor: 12.262 2020 SCImago Journal Rankings: 4.853 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Cui, Yanxia | - |
dc.contributor.author | Fung, Kin Hung | - |
dc.contributor.author | Xu, Jun | - |
dc.contributor.author | Ma, Hyungjin | - |
dc.contributor.author | Jin, Yi | - |
dc.contributor.author | He, Sailing | - |
dc.contributor.author | Fang, Nicholas X. | - |
dc.date.accessioned | 2022-10-11T12:23:55Z | - |
dc.date.available | 2022-10-11T12:23:55Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Nano Letters, 2012, v. 12, n. 3, p. 1443-1447 | - |
dc.identifier.issn | 1530-6984 | - |
dc.identifier.uri | http://hdl.handle.net/10722/318507 | - |
dc.description.abstract | We present an ultrabroadband thin-film infrared absorber made of sawtoothed anisotropic metamaterial. Absorptivity of higher than 95% at normal incidence is supported in a wide range of frequencies, where the full absorption width at half-maximum is about 86%. Such property is retained well at a very wide range of incident angles too. Light of shorter wavelengths are harvested at upper parts of the sawteeth of smaller widths, while light of longer wavelengths are trapped at lower parts of larger tooth widths. This phenomenon is explained by the slowlight modes in anisotropic metamaterial waveguide. Our study can be applied in the field of designing photovoltaic devices and thermal emitters. © 2012 American Chemical Society. | - |
dc.language | eng | - |
dc.relation.ispartof | Nano Letters | - |
dc.subject | absorber | - |
dc.subject | anisotropic | - |
dc.subject | metamaterials | - |
dc.subject | Slow light | - |
dc.subject | thin film | - |
dc.subject | ultrabroadband | - |
dc.title | Ultrabroadband light absorption by a sawtooth anisotropic metamaterial slab | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1021/nl204118h | - |
dc.identifier.pmid | 22309161 | - |
dc.identifier.scopus | eid_2-s2.0-84858264969 | - |
dc.identifier.volume | 12 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | 1443 | - |
dc.identifier.epage | 1447 | - |
dc.identifier.eissn | 1530-6992 | - |
dc.identifier.isi | WOS:000301406800055 | - |