Plasmonic absorbers for multispectral and broadband absorption

Date

2012

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Source Title

Proceedings of SPIE

Print ISSN

0277786X

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SPIE

Volume

8269

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Pages

82691J-1 - 82691J-10

Language

English

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Abstract

We present polarization dependent multispectral and broadband plasmonic absorbers in the visible spectrum. The spectral characteristics of these structures are tunable over a broad spectrum. Experimental results are verified with the FDTD and RCWA analysis methods. These structures are used as surface enhanced raman spectroscopy(SERS) substrates. Designed structures have resonances that span the Raman Stokes and excitation wavelength. Such structures can be used for energy, LED and other spectroscopy applications. © 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).

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