Generation of lossy mode resonances with different nanocoatings deposited on coverslips

The generation of lossy mode resonances (LMRs) with a setup based on lateral incidence of light in coverslips is a simple platform that can be used for sensing. Here the versatility of this platform is proved by studying the deposition of different coating materials. The devices were characterized w...

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Bibliographic Details
Published in:Optics express 2020-01, Vol.28 (1), p.288-301
Main Authors: Fuentes, Omar, Goicoechea, Javier, Corres, Jesus M, Villar, Ignacio Del, Ozcariz, Aritz, Matias, Ignacio R
Format: Article
Language:English
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Summary:The generation of lossy mode resonances (LMRs) with a setup based on lateral incidence of light in coverslips is a simple platform that can be used for sensing. Here the versatility of this platform is proved by studying the deposition of different coating materials. The devices were characterized with both SEM and AFM microscopy, as well as ellipsometry, which allowed obtaining the main parameters of the coatings (thickness, refractive index and extinction coefficient) and relating them with the different sensitivities to refractive index attained with each material. In this way it was possible to confirm and complete the basic rules observed with lossy mode resonance based optical fiber sensors towards the design of simpler and more compact applications in domains such as chemical sensors or biosensors.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.28.000288