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Conferences > LAOP > 2018 > Th4A > Th4A.17

Fiber-optic sensor based on MMI effect for pH-sensing, using PVA-thin films doped with bromophenol blue

H.A. Gallegos-Domínguez and O. Baldovino-Pantaleón

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Abstract

Fiber optic pH sensor based on the multimodal interference effect, coated with a PVA-thin-film doped with bromophenol blue, shows increased RI-sensitivity as high as 20×10−3 and 9×10−3 nm/RIU in the pH range of 2.0–5.0.

© 2018 The Author(s)

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