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Real-time interrogation of multiplexed FBG strain sensors based on a thermally tunable microring resonator array

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A high-resolution integrated multi-wavelength FBG interrogator is proposed based on a microring resonator array. Two-channel strain sensing is demonstrated with the dynamic stain resolution of 30 nε/Hz over 100 Hz to 1 kHz.

© 2019 The Author(s)

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