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Proceedings Paper

Thermal infrared emitters by plasmonic metasurface
Author(s): J. Takahara; Y. Ueba
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Paper Abstract

The spectral control of thermal radiation is demonstrated using an array of sprit-ring resonators as plasmonic metasurface. Thermally excited plasmonic resonant modes in a meta-atom are found to enhance thermal radiation at specific wavelengths. From numerical simulations, the emissivity at the resonance can be tuned to blackbody level by tuning the coupling between a sprit-ring and a metal substrate. Since the thickness of the metasurface is significantly small compared to the wavelength, these devices are promising candidates for extremely thin film thermal emitters or efficient frequency-converters for wide range of the frequency from infrared to visible.

Paper Details

Date Published: 19 September 2013
PDF: 9 pages
Proc. SPIE 8818, Nanostructured Thin Films VI, 88180X (19 September 2013); doi: 10.1117/12.2025121
Show Author Affiliations
J. Takahara, Osaka Univ. (Japan)
Y. Ueba, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 8818:
Nanostructured Thin Films VI
Tom G. Mackay; Akhlesh Lakhtakia; Yi-Jun Jen; Motofumi Suzuki, Editor(s)

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