J. R. Guzman-Sepulveda, R. Dominguez-Cruz, J. J. Sánchez-Mondragón, and D. A. May-Arrioja, "Curvature Sensor based on a Two-Core Optical Fiber,"
in Conference on Lasers and Electro-Optics 2012,
OSA Technical Digest
(Optical Society of America, 2012), paper JW2A.116.
A curvature sensor based on a Two-Core fiber is demonstrated. The proposed sensor exhibits a highly linear response with a sensitivity of -137.8763 nm/m-1 for radius of curvature ranging from 0 to 0.27 m-1.