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Simultaneous measurement of curvature and strain using a suspended multicore fiber

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Abstract

A suspended multicore fiber sensor for simultaneous measurement of curvature and strain is proposed. The spectral response shows evidences of several interferences arising from the seven cores of the fiber. Once the sensing head presents different sensitivities for curvature and strain measurements, these physical parameters can be discriminated by using the matrix method. The rms deviations are ±19m1 and ±12.90με for curvature and strain measurements, respectively.

© 2011 Optical Society of America

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