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    Improving the width of lossy mode resonances in a reflection configuration D-shaped fiber by nanocoating laser ablation

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    2020100073_Fuentes_ImprovingWidth.pdf (1.577Mb)
    Date
    2020
    Author
    Fuentes Lorenzo, Omar Upna
    Vaiano, Patrizio 
    Del Villar, Ignacio Upna Orcid
    Corres Sanz, Jesús María Upna Orcid
    Matías Maestro, Ignacio Upna Orcid
    Version
    Acceso abierto / Sarbide irekia
    Type
    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/1PE/TEC2016-79367 
    Impact
     
     
     
    10.1364/OL.402177
     
     
     
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    Abstract
    The full width at half maximum (FWHM) of lossy mode resonances (LMRs) in the optical spectrum depends on the homogeneity of the thin film deposited. In this Letter, a method for improving the FWHM is applied for an LMR generated by a D-shaped optical fiber in reflection configuration. For this purpose, three samples with different attenuation were deposited with DC sputtering thin films of SnO2−x ... [++]
    The full width at half maximum (FWHM) of lossy mode resonances (LMRs) in the optical spectrum depends on the homogeneity of the thin film deposited. In this Letter, a method for improving the FWHM is applied for an LMR generated by a D-shaped optical fiber in reflection configuration. For this purpose, three samples with different attenuation were deposited with DC sputtering thin films of SnO2−x, and a further controlled immersion of the samples in water was performed. A laser-cleaner method was used to improve the FWHM characteristics of one of the samples from 106 to 53 nm. This improvement can be applied to thin-film-based sensors where there is a problem with the inhomogeneity of the coating thickness. Moreover, with this technique, it was proved that a coated length of just 3–4 mm permits the generation of an LMR, with implications for the miniaturization of the final device. [--]
    Subject
    Fiber lasers, Laser ablation, Optical fibers, Sensors, Surface plasmon resonance, Thin films
     
    Publisher
    Optical Society of America
    Published in
    Optics Letters, 2020, 45(17), 4738-4741
    Departament
    Universidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicación / Nafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko, Elektroniko eta Telekomunikazio Saila / Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa. ISC - Institute of Smart Cities
     
    Publisher version
    https://doi.org/10.1364/OL.402177
    URI
    https://hdl.handle.net/2454/39282
    Sponsorship
    Gobierno de Navarra, Ayuda a Movilidad Internacional 2019; Agencia Estatal de Investigación (TEC2016-79367-C2-2-R.).
    Appears in Collections
    • Artículos de revista ISC - ISC aldizkari artikuluak [342]
    • Artículos de revista DIEC - IEKS Aldizkari artikuluak [241]
    • Artículos de revista - Aldizkari artikuluak [4211]
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