Close Loop FM Interferometric Remote Optical Fibre Sensor

Uttam D. Giles; I . P . Culshaw B.

doi:10.1117/12.935825

19 September 1983 Close Loop FM Interferometric Remote Optical Fibre Sensor

Uttam D. Giles, I . P . Culshaw B.

Proceedings Volume 0412, Fiber Optic and Laser Sensors I; (1983) https://doi.org/10.1117/12.935825
Event: 1983 Technical Symposium East, 1983, Arlington, United States

Abstract

Optical fibre interferometric sensors are described in which the path imbalance of the interferometer is measured by using a frequency modulated source. The technique is analogous to frequency modulated continuous wave (FMCW) radar. Optical FM techniques are described and initial results from a closed loop system presented. The interferometers are totally passive and their state can be read with high accuracy, depending on the total frequency excursion and output signal to noise ratio.

Citation Download Citation

Uttam D. Giles and I . P . Culshaw B. "Close Loop FM Interferometric Remote Optical Fibre Sensor", Proc. SPIE 0412, Fiber Optic and Laser Sensors I, (19 September 1983); https://doi.org/10.1117/12.935825

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