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Proceedings Paper

Polarization-independent multi-peak plasmonic absorber
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Paper Abstract

A multipeak polarization independent absorber based on ultrathin metamaterials composed of metal layers (Al) and dielectric (polymer, ZnSe) has been proposed and numerically analyzed. The absorber is composed by a trapezoidal shaped grating filled by a polymer. This structure possess resonant absorption modes at multi-frequencies. Numerical results show that near unity absorption peaks can be obtained for both polarization modes (TM and TE) for visible radiation at normal incidence.

Paper Details

Date Published: 25 August 2017
PDF: 5 pages
Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 103462J (25 August 2017); doi: 10.1117/12.2273382
Show Author Affiliations
I. L. Gomes de Souza, Univ. Federal da Bahia (Brazil)
V. F. Rodriguez-Esquerre, Univ. Federal da Bahia (Brazil)

Published in SPIE Proceedings Vol. 10346:
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV
Din Ping Tsai; Takuo Tanaka, Editor(s)

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