Advanced Optical Fiber Displacement Sensors

Dear Colleagues,

Intensity-based optical fiber displacement sensors (OFDSs) are essential tools for precision metrology, aerospace, structural monitoring, biomedical engineering, and industrial applications due to their compactness, flexibility, and immunity to electromagnetic interference. However, traditional sensor configurations face limitations concerning linearity, sensitivity, dynamic range, and multiplexing capabilities, restricting their broader adoption.

This Special Issue welcomes cutting-edge research on novel optical fiber architectures designed to overcome these performance constraints. These include multifurcated fiber bundles (e.g., tetra-, penta-, and heptafurcated bundles for tip clearance (TC) and tip timing (TT) measurements in aeronautical turbines), multicore optical fibers (MCFs) for structural health monitoring applications such as the Vizcaya UNESCO Bridge strain sensor, photonic lanterns for wavefront sensing, hyperspectral imaging, telecommunications, adaptive optics, LiDAR, astronomical investigations of extrasolar planets, anti-resonant hollow-core fibers (ARHCFs), and photonic crystal fibers (PCFs). Contributions highlighting theoretical developments, optimized sensor designs, advanced multiplexing techniques, comprehensive experimental validations, and real-world implementations are particularly encouraged.

Prof. Dr. Joseba Zubia Zaballa
Guest Editor

Dr. Gorka Zubia-Garea
Guest Editor Assistant

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