Anomalous complete opaqueness in a sparse array of gold nanoparticle chains

Benfeng Bai; Xiaowei Li; Ismo Vartiainen; Anni Lehmuskero; Guoguo Kang; Jari Turunen; Markku Kuittinen; Pasi Vahimaa

doi:10.1063/1.3631671

Anomalous complete opaqueness in a sparse array of gold nanoparticle chains

Benfeng Bai^*, Xiaowei Li, Ismo Vartiainen, Anni Lehmuskero, Guoguo Kang, Jari Turunen, Markku Kuittinen, Pasi Vahimaa

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We report on an anomalous polarization-switching extinction effect in a sparse array of gold nanoparticle chains: under normal incidence of light, the array is almost transparent for one polarization; whereas it is fully opaque (with nearly zero transmittance) for the orthogonal polarization within a narrow band, even though the nanoparticles cover only a tiny fraction (say, 3.5) of the transparent substrate surface. We reveal that the strong polarization-dependent short-range dipolar coupling and long-range radiative coupling of gold nanoparticles in this highly asymmetric array is responsible for this extraordinary effect.

Original language	English
Article number	081911
Journal	Applied Physics Letters
Volume	99
Issue number	8
DOIs	https://doi.org/10.1063/1.3631671
Publication status	Published - 22 Aug 2011
Externally published	Yes

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abstract = "We report on an anomalous polarization-switching extinction effect in a sparse array of gold nanoparticle chains: under normal incidence of light, the array is almost transparent for one polarization; whereas it is fully opaque (with nearly zero transmittance) for the orthogonal polarization within a narrow band, even though the nanoparticles cover only a tiny fraction (say, 3.5) of the transparent substrate surface. We reveal that the strong polarization-dependent short-range dipolar coupling and long-range radiative coupling of gold nanoparticles in this highly asymmetric array is responsible for this extraordinary effect.",

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AU - Bai, Benfeng

AU - Li, Xiaowei

AU - Vartiainen, Ismo

AU - Lehmuskero, Anni

AU - Kang, Guoguo

AU - Turunen, Jari

AU - Kuittinen, Markku

AU - Vahimaa, Pasi

PY - 2011/8/22

Y1 - 2011/8/22

N2 - We report on an anomalous polarization-switching extinction effect in a sparse array of gold nanoparticle chains: under normal incidence of light, the array is almost transparent for one polarization; whereas it is fully opaque (with nearly zero transmittance) for the orthogonal polarization within a narrow band, even though the nanoparticles cover only a tiny fraction (say, 3.5) of the transparent substrate surface. We reveal that the strong polarization-dependent short-range dipolar coupling and long-range radiative coupling of gold nanoparticles in this highly asymmetric array is responsible for this extraordinary effect.

AB - We report on an anomalous polarization-switching extinction effect in a sparse array of gold nanoparticle chains: under normal incidence of light, the array is almost transparent for one polarization; whereas it is fully opaque (with nearly zero transmittance) for the orthogonal polarization within a narrow band, even though the nanoparticles cover only a tiny fraction (say, 3.5) of the transparent substrate surface. We reveal that the strong polarization-dependent short-range dipolar coupling and long-range radiative coupling of gold nanoparticles in this highly asymmetric array is responsible for this extraordinary effect.

UR - https://www.scopus.com/pages/publications/80052415778

U2 - 10.1063/1.3631671

DO - 10.1063/1.3631671

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VL - 99

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 8

M1 - 081911

ER -

Anomalous complete opaqueness in a sparse array of gold nanoparticle chains

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