Linearised polarimetric optical fibre sensor using a ‘heterodyne-type’ signal recovery scheme

1 March 1984

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 20 (5) , 209-211
https://doi.org/10.1049/el:19840139

Abstract

A ‘heterodyne-type’ detection scheme for use with single-mode-fibre polarimetric sensors is described which overcomes the problems of ‘fringe’ ambiguity and small-signal fading normally associated with polarimetric sensors. The system is demonstrated using a length of ‘bow-tie’ fibre as a simple strain sensor.

Keywords

SMALL SIGNAL FADING ELIMINATION
BOW TIE FIBRE
SINGLE-MODE-FIBRE
HETERODYNE DETECTION
FRINGE AMBIGUITY ELIMINATION FIBRE OPTICS
POLARIMETRIC SENSORS
STRAIN SENSOR
POLARIMETRIC OPTICAL FIBRE SENSOR
OPTICAL SENSORS

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