Distributed Fiber-Optic Sensor Using Forward Travelling Light In Polarization Maintaining Fiber

K. Kurosawa; S. Hattori; T. Yoshino

doi:10.1117/12.941082

14 October 1987 Distributed Fiber-Optic Sensor Using Forward Travelling Light In Polarization Maintaining Fiber

K. Kurosawa, S. Hattori, T. Yoshino

Proceedings Volume 0798, Fiber Optic Sensors II; (1987) https://doi.org/10.1117/12.941082
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

A new method of distributed fiber sensing is presented which uses a polarization maintaining fiber as the sensing fiber and a frequency modulated laser diode as the light source. The mode conversion caused in the fiber by a perturbation to be measured generates an optical beat signal in the forward travelling light. The magnitude and location of mode conversion can be real time detected from the amplitude and frequency of the beat signal, respectively.

Citation Download Citation

K. Kurosawa, S. Hattori, and T. Yoshino "Distributed Fiber-Optic Sensor Using Forward Travelling Light In Polarization Maintaining Fiber", Proc. SPIE 0798, Fiber Optic Sensors II, (14 October 1987); https://doi.org/10.1117/12.941082

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