Polarization-independent multi-peak plasmonic absorber

I. L. Gomes de Souza; V. F. Rodriguez-Esquerre

doi:10.1117/12.2273382

25 August 2017 Polarization-independent multi-peak plasmonic absorber

I. L. Gomes de Souza, V. F. Rodriguez-Esquerre

Proceedings Volume 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV; 103462J (2017) https://doi.org/10.1117/12.2273382
Event: SPIE Nanoscience + Engineering, 2017, San Diego, California, United States

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.

Citation Download Citation

I. L. Gomes de Souza and V. F. Rodriguez-Esquerre "Polarization-independent multi-peak plasmonic absorber", Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 103462J (25 August 2017); https://doi.org/10.1117/12.2273382

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