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Proceedings Paper

Sensor Applications Of Optical Fibre Resonant Rings Based On Polarisation Sensitive Couplers
Author(s): Miguel V. Andres; Kenneth W.H. Foulds
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Paper Abstract

Optical fibre resonant rings based on polarisation sensitive couplers give rise to a set of new resonant configurations. Two of them exhibit interesting sensor applications since small changes of the polarisation state produce large effects on the output, due to the resonant characteristics of the system. The sensor arrangements proposed have the advantage of requiring no drift compensation of the optical fibre interferometer against environmental fluctuations, since the parameters used to determine the measurand are the finesse and the visibility but not a phase change. Thus, the system can be used to sense low frequency measurands. Among the particular sensor applications that can be suggested, we shall point out the detection of magnetic fields through small Faraday effects.

Paper Details

Date Published: 23 February 1989
PDF: 5 pages
Proc. SPIE 1011, Fiber Optic Sensors III, (23 February 1989); doi: 10.1117/12.949319
Show Author Affiliations
Miguel V. Andres, Universidad de Valencia (Spain)
Kenneth W.H. Foulds, University of Surrey (United Kingdom)


Published in SPIE Proceedings Vol. 1011:
Fiber Optic Sensors III
Ralf Th. Kersten, Editor(s)

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