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Fiber-laser-based wavelength-division multiplexed fiber Bragg grating sensor system

Fiber-laser-based wavelength-division multiplexed fiber Bragg grating sensor system,10.1109/68.930420,IEEE Photonics Technology Letters,Youlong Yu,Lue

Fiber-laser-based wavelength-division multiplexed fiber Bragg grating sensor system   (Citations: 30)
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A wavelength-division-multiplexing technique for interrogating 10-cascaded fiber Bragg grating sensing elements based on a ring-compounded-cavity fiber laser is reported. A feedback control technique was introduced to a tunable Fabry-Perot filter that tracks the wavelength-shift of the sensor. The sensors were demodulated using an unbalanced scanning Michelson interferometer and a sensitivity of 1.682°/με has been demonstrated
Journal: IEEE Photonics Technology Letters - IEEE PHOTONIC TECHNOL LETT , vol. 13, no. 7, pp. 702-704, 2001
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