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Optical planar filter for visible RGB resonance
Author(s): I. L. Gomes de Souza; D. Franco Rego; V. F. Rodriguez-Esquerre
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Paper Abstract

We show that a planar metal-dielectric-metal structure has a resonant characteristic that can be used to filter specific colors of the visible spectrum depending of the choice of the material used in the dielectric layer. The resonance occurs when the reflection phase is canceled out with the phase of the propagation. We numerically demonstrate a structure that can be used as an RGB optical filter with three different dielectric materials, with transmission of above 60%. The planar structure exhibits wide-angle transmission for angles of incidence up to 50° for the red and blue colors and up to 30° for the green color.

Paper Details

Date Published: 7 May 2018
PDF: 7 pages
Proc. SPIE 10671, Metamaterials XI, 106712E (7 May 2018); doi: 10.1117/12.2306444
Show Author Affiliations
I. L. Gomes de Souza, Univ. Federal da Bahia (Brazil)
D. Franco Rego, Univ. Federal da Bahia (Brazil)
Instituto Federal da Bahia (Brazil)
V. F. Rodriguez-Esquerre, Univ. Federal da Bahia (Brazil)


Published in SPIE Proceedings Vol. 10671:
Metamaterials XI
Allan D. Boardman; Anatoly V. Zayats; Kevin F. MacDonald, Editor(s)

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