Hollow-core fiber-based curvature sensor with high sensitivity and large dynamic range - Photonique Fibre et Sources Cohérentes
Conference Papers Year : 2024

Hollow-core fiber-based curvature sensor with high sensitivity and large dynamic range

Abstract

We study the application of a tubular-lattice hollow-core fiber displaying thin cladding tubes as a highsensitivity and large-dynamic range curvature sensor. The device working principle is based on bending-induced core and cladding modes couplings occurring at specific wavelengths and at specific curvature radii. Our characterizations allowed us to determine a sensitivity of (29.3 ± 0.4) nm/m -1 for a curvature variation range of 17 m -1 . These figures are high when compared with other curvature sensors based on different optical fiberbased sensing configurations. We understand that our work provides a valid path for achieving new hollow-core curvature sensors with enhanced sensitivity and large dynamic range.
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Dates and versions

hal-04744192 , version 1 (18-10-2024)

Identifiers

  • HAL Id : hal-04744192 , version 1

Cite

Jonas H Osório, Frédéric Gérôme, Foued Amrani, Fetah Benabid, Frédéric Delahaye, et al.. Hollow-core fiber-based curvature sensor with high sensitivity and large dynamic range. SBFoton International Optics and Photonics Conference, Nov 2024, Salvador, Brazil. pp.TS-WED-C2-1. ⟨hal-04744192⟩
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