High sensitive refractometers based on lossy mode resonances (LMRs) supported by ITO coated D-shaped optical fibers

Tin doped indium oxide (ITO) coatings fabricated onto D-shaped optical fibers are presented as the supporting medium for Lossy Mode Resonances (LMRs) generation. The characteristic geometry of ITO-coated D-shaped optical fibers enables to observe experimentally LMRs obtained with both TM and TE pola...

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Bibliographic Details
Authors: Zubiate Orzanco, Pablo, Ruiz Zamarreño, Carlos, Del Villar, Ignacio, Matías Maestro, Ignacio, Arregui San Martín, Francisco Javier
Format: article
Status:Published version
Publication Date:2015
Country:España
Institution:Universidad Pública de Navarra
Repository:Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
OAI Identifier:oai:academica-e.unavarra.es:2454/31118
Online Access:https://hdl.handle.net/2454/31118
Access Level:Open access
Keyword:Indium oxide (ITO) coatings
D-shaped optical fibers
Lossy mode resonances (LMRs)
LMRTM
LMRTE
Description
Summary:Tin doped indium oxide (ITO) coatings fabricated onto D-shaped optical fibers are presented as the supporting medium for Lossy Mode Resonances (LMRs) generation. The characteristic geometry of ITO-coated D-shaped optical fibers enables to observe experimentally LMRs obtained with both TM and TE polarized light (LMRTM and LMRTE). This permits to obtain a maximum transmission decay of 36 dB with a LMR spectral width of 6.9 nm, improving that obtained in previous works, where the LMRs were a combination of an LMRTM and an LMRTE. Surrounding medium refractive index (SMRI) sensitivity characterization of LMRTM has been performed obtaining a maximum sensitivity of 8742 nm/RIU in the range 1.365-1.38 refractive index units (RIU) which overcomes that of surface plasmon resonance-based optical fiber devices presented in recent works.

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