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Tilted FBG Sensor Data Extraction with Low-Resolution Spectral Interrogation Instrumentation

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Abstract

TFBG sensor spectra contains a fine comb of narrowband cladding mode resonances. Spectral contour length method analysis is shown to provide precise refractive index and curvature measurements with low-resolution, low-cost optical spectrum analyzers.

© 2022 The Author(s)

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