Optical fiber shape sensing is a form of distributed sensing that uses scattered signals from a multi-core fiber to determine curvature and twist rate to produce the shape of a given structure. The technology will enable cutting-edge applications in the fields of robotic and standard minimally invasive surgery – such as real-time position tracking, instrument and catheter navigation, force. Fiber optic shape sensing has an outstanding capability to sense curvature and shape in 2D and 3D. Cattin, "Fiber Optic Shape Sensing Based on Eccentric FBGs and Deep Learning," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper SW4D. This paper presents the design of.
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