Narrowband plasmonic absorber with phase-change-material layer

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

doi:10.1117/12.2568963

21 August 2020 Narrowband plasmonic absorber with phase-change-material layer

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

Proceedings Volume 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII; 114672A (2020) https://doi.org/10.1117/12.2568963
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Conference Poster

Abstract

We propose in this work a structure 3-D plasmonic absorber composed of metal-dielectric and ultrathin film layer of PCM's (Phase Changed Materials). The geometric parameters of the structure proposed were optimized to exhibits strong absorption for normal incidence. The effects of the phase change from PCM's are analyzed and it is possible to observe a shift in the resonant peaks of absorption when the phase changes from amorphous to crystalline. The geometrical parameters of the structure were analyzed so that the absorption peak was syntonized. Also analyzed the effects of the oblique incidence for the polarization modes TM and TE.

Conference Presentation

Citation Download Citation

Israel Alves Oliveira, I. L. Gomes de Souza, and V. F. Rodriguez-Esquerre "Narrowband plasmonic absorber with phase-change-material layer", Proc. SPIE 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII, 114672A (21 August 2020); https://doi.org/10.1117/12.2568963

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