In this work, a thin-film consisting of 15 bilayers (estimated thickness: 210 nm) of titanium (IV) oxide and poly(sodium 4-styrenesulfonate) is simultaneously deposited onto two optical fiber structures: a single-mode—multimode—single-mode (SMS) device and a lossy mode resonance (LMR)-based device. The performance of both structures, as refractometers and relative humidity sensors, is studied and compared. In both cases, the sensitivity of the LMR-based device (955 nm/RIU and 3.54 nm/RH %, respectively) highly improves the one of the SMS (142 nm/RIU and 0.3 nm/RH %). These facts can be taken into account when developing sensors based on either SMS or LMR technologies.
CITATION STYLE
Socorro, A. B., Hernaez, M., Del Villar, I., Corres, J. M., Arregui, F. J., & Matias, I. R. (2016). Single-mode—multimode—single-mode and lossy mode resonance-based devices: a comparative study for sensing applications. Microsystem Technologies, 22(7), 1633–1638. https://doi.org/10.1007/s00542-015-2793-z
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