An Autoreferenced Two-State Optical Fibre Reflective Sensor

M. R. Oliver; R. C. Spooncer; M. H. Ghezelayagh

doi:10.1117/12.963612

6 October 1986 An Autoreferenced Two-State Optical Fibre Reflective Sensor

M. R. Oliver, R. C. Spooncer, M. H. Ghezelayagh

Proceedings Volume 0630, Fibre Optics '86; (1986) https://doi.org/10.1117/12.963612
Event: Sira/Fibre Optics '86, 1986, London, United Kingdom

Abstract

An inexpensive reflective displacement sensor with optical fibre links has two light output levels which switch when the measurand reaches a preset value. An autoreferencing unit monitors the light from the sensor at one level and continuously updates the system gain to compensate for intensity changes. Prototypes have been built; the paper presents results of repeatability trials.

Citation Download Citation

M. R. Oliver, R. C. Spooncer, and M. H. Ghezelayagh "An Autoreferenced Two-State Optical Fibre Reflective Sensor", Proc. SPIE 0630, Fibre Optics '86, (6 October 1986); https://doi.org/10.1117/12.963612

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