Lossy Mode Resonance Sensors based on Tungsten Oxide Thin Films

Tungsten oxide (WO 3 ) thin-films fabricated on glass slides have been proven to generate lossy mode resonances (LMRs) in the visible region. Obtained devices were characterized in transmission by lateral incidence of light on the edge of glass slides. Resonances at both TE and TM polarizations were...

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Bibliographic Details
Main Authors: del Villar, Ignacio, Bohorquez, Dina L., Caputo, Domenico, Buzzin, Alessio, Chiavaioli, Francesco, Baldini, Francesco, Zamarreno, Carlos R., Matias, Ignacio R.
Format: Conference Proceeding
Language:English
Subjects:
Glass
lossy mode resonance
Optical fiber sensors
Optical fibers
optical sensor
planar waveguide
Refractive index
Sensitivity
Sensors
Tungsten
tungsten oxide
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Summary:Tungsten oxide (WO 3 ) thin-films fabricated on glass slides have been proven to generate lossy mode resonances (LMRs) in the visible region. Obtained devices were characterized in transmission by lateral incidence of light on the edge of glass slides. Resonances at both TE and TM polarizations were analyzed for different thicknesses and in different deposition conditions. Moreover, it was successfully proved that WO 3 coated glass slides present a high sensitivity to refractive index, which opens the path to the application of this structure in the domain of optical sensors
ISSN:2168-9229
DOI:10.1109/SENSORS47125.2020.9278899