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Proceedings Paper

Total light absorption in ultrathin size-gradient metal-dielectric nanostructures
Author(s): S. M. Kachan; A. N. Ponyavina
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Paper Abstract

We propose ultrathin plasmonic nanocoatings that can absorb more than 90% of visible light in a broad (exceeding 100 nm) wavelength range, reaching almost total absorption at the surface plasmon resonance (SPR) wavelength. Such a coating contains only two monolayers of metal nanoparticles (with smaller nanoparticles in the first monolayer and larger nanoparticles in the second monolayer) separated by a dielectric film with quarter-wave thickness. We analytically derive spectral characteristics of two-monolayer systems and explore the regimes, which must be satisfied for realization of high-absorptive coatings at the SPR range.

Paper Details

Date Published: 31 July 2007
PDF: 8 pages
Proc. SPIE 6728, ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures, 672838 (31 July 2007); doi: 10.1117/12.752455
Show Author Affiliations
S. M. Kachan, Institute of Molecular and Atomic Physics (Belarus)
A. N. Ponyavina, Institute of Molecular and Atomic Physics (Belarus)


Published in SPIE Proceedings Vol. 6728:
ICONO 2007: Novel Photonics Materials; Optics and Optical Diagnostics of Nanostructures
Oleg Andreevich Aktsipetrov; Sergey V. Gaponenko; Nikolay I. Zheludev; Vladimir M. Shalaev, Editor(s)

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