Abstract

We investigate a quasi-distributed optical fiber sensor that locates the positions of sensing units along a high-birefringence fiber by using white-light interferometry and measures the physical parameters by directly detecting the measured-induced cross coupling between two polarization modes. Important factors that affect the performance of the system, such as cross-term spurious signals and thermostability, are analyzed. Preliminary experimental results of such a system with 10 pressure sensors are presented.

© 1991 Optical Society of America

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