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Proceedings Paper

An Autoreferenced Two-State Optical Fibre Reflective Sensor
Author(s): M. R. Oliver; R. C. Spooncer; M. H. Ghezelayagh
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Paper 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.

Paper Details

Date Published: 6 October 1986
PDF: 6 pages
Proc. SPIE 0630, Fibre Optics '86, (6 October 1986); doi: 10.1117/12.963612
Show Author Affiliations
M. R. Oliver, Oliver Engineering Ltd. (England)
R. C. Spooncer, University of Manchester Institute of Science and Technology (England)
M. H. Ghezelayagh, University of Manchester Institute of Science and Technology (England)


Published in SPIE Proceedings Vol. 0630:
Fibre Optics '86
Lionel R. Baker, Editor(s)

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