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Directional Curvature Sensing Using Multicore Fiber Bragg Grating and Two-Photon Absorption Process in Si-APD

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We demonstrate a directional curvature sensor using a multicore fiber Bragg grating (FBG). The FBGs having almost the same Bragg wavelengths are discriminated by the distance measurement technique using two-photon absorption process in a Si-APD.

© 2019 The Author(s)

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