Abstract
A method of the lossless identification for fiber cable based on white-light interference is studied. When the two ends of fiber-optic are connected,the light-wave is coupled into two beams of light with the same light intensity and transmit in the opposite directions.Detector receives signals generated by the other side.The two optical fibers side by side with the force of outside and the optical fiber path changes are analyzed. The output signals on some conditions are simulated and verified by experiment.The impact signal,the sinusoidal signal with a known frequency and the music signals are used as the divided external signal source, and the output signal is observed.By analyzing the spectral,and comparing with the input signal,this method of the lossless identification system is proved feasible.
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