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Hybrid CDM-WDM Scheme for Interrogating 2×2000 Serial FBG Sensors

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Abstract

This contribution demonstrates a massive hybrid code-division multiplexing (CDM)-wavelength-division multiplexing (WDM) scheme that interrogates 2×2000 serial fiber-Bragg gratings (FBGs). The overlapping FBG spectra lead to maximum deviation errors of only 8 pm at a reflectance of 1 %.

© 2020 The Author(s)

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