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We demonstrate a 1550nm band resonance Fourier-domain mode-locked (FDML) fiber laser with fiber Bragg grating (FBG) array. Using the FDML fiber laser, we successfully demonstrate real-time monitoring of dynamic FBG strain sensor interrogation for structural health monitoring. The resonance FDML fiber laser consists of six multiplexed FBGs, which are arranged in series with delay fiber lengths. It...
We demonstrate a dynamic fiber Bragg grating (FBG) strain sensor interrogation using a 1550 nm band resonance Fourier domain mode-locked fiber laser. We successfully achieved a real-time measurement of the abrupt change of the applied frequencies to the FBG without any signal processing delay.
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