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Proceedings Paper

A new measurement algorithm for the 3 x 3 fiber optic Sagnac interferometer
Author(s): Jan Bechtle; Gert F. Trommer
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Paper Abstract

We developed a new measurement algorithm which enables fiber optic sensors based on the 3 x 3 Sagnac interferometer to have a dynamic range which is limited only by the speed of the electronics measuring the signals of the photodetectors. Fiber optic current sensors and fiber optic gyroscopes using our algorithm can measure arbitrary large input and improve precision by using longer fiber coils. We proved the concept by building a passive fiber optic gyroscope.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.624407
Show Author Affiliations
Jan Bechtle, Univ. of Karlsruhe (Germany)
Gert F. Trommer, Univ. of Karlsruhe (Germany)


Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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