SIGNALS PROCESSING METHOD FOR FIBER-OPTIC SENSORS WITH TILTED FIBER BRAGG GRATING

Abstract

The article presents signals processing method for fiber-optic sensors with tilted Bragg grating. Developed technique is based on the analysis of signals output spectrum to capture Fourier-images in the area. The main idea of the being offered method is in using sensitive tilted fiber Bragg grating fiber-optic sensors. The given sensor is insensitive to any influence in multimode fibers and other parts of the device. Devices, based on such principles, do not need recalibration after switching on and further operation. There is presented the sensor parameters optimization on the basis of numerical modeling. Outcomes of numerical modeling permitted to broaden the domain of internal parameters of sensor’s sustainable operation.

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