Del Villar, Ignacio

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https://academica-e.unavarra.es/handle/2454/48889

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Del Villar

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Ignacio

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Ingeniería Eléctrica, Electrónica y de Comunicación

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ISC. Institute of Smart Cities

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0000-0002-8130-4035

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88663

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6918

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Author: Rodríguez Rodríguez, Wenceslao Eduardo × Subject: Coolant ×

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    PublicationOpen Access
    Low cutoff wavelength etched SMS structures towards verification of the quality of automotive antifreeze
    (IEEE, 2020) Rodríguez Rodríguez, Wenceslao Eduardo; Rodríguez Rodríguez, Adolfo Josué; Ruiz Zamarreño, Carlos; Del Villar, Ignacio; Zúñiga Alanís, Manuel; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Gobierno de Navarra / Nafarroako Gobernua, 2019 904 116; Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, PJUPNA26
    Optical fiber single mode-multimode-single mode (SMS) structures can be used as wavelength detection-based sensors. In this work, we focus on the performance at short wavelengths, where optical sources and detectors are less expensive. Here, a self-image band with a high transmission power is monitored in this short-wavelength range. In addition, the diameter and the length of the SMS structure have been optimized in order to improve the sensitivity of the device. In this sense, a maximum refractive index sensitivity of 305 nm/RIU was achieved by an etched SMS with a diameter of 34μ m. Furthermore, the obtained devices were used for testing the quality of automotive coolant and antifreeze liquid.