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Refractometer based on Si3N4-coated tapered optical fiber

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Abstract

Si3N4-thin film deposited on the tapered fiber to fabricate high-refractive-index sensor, that shows sensitivity up to 291 nm/RIU in the range of 1.3388-1.3983 by measuring mixtures of glycerol and deionized water.

© 2018 The Author(s)

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