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Proceedings Paper

High Speed Thermometry Utilising Multiplexed Fibre Fabry-Perot Interferometers
Author(s): F. Farahi; J.D. C. Jones; D. A. Jackson
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Paper Abstract

The results of an investigation into the temporal response of fibre optic interfero-meters to heat pulses is presented. A rise time of < 2.5 x 10-4 s was determined where an electric arc was used to heat the fibre cladding. A response time of < 10-4 s was observed when an optical technique was used to directly heat the fibre core. These measurements were performed with a new remote optical configuration which could be used as a miniaturised sensing element. The feasibility of multiple measurement with this new fibre Fabry-Perot interferometer was studied, and two multiplexed sensing systems based on frequency division and coherence multiplexing are described.

Paper Details

Date Published: 23 March 1988
PDF: 7 pages
Proc. SPIE 0838, Fiber Optic and Laser Sensors V, (23 March 1988); doi: 10.1117/12.942510
Show Author Affiliations
F. Farahi, University of Kent (U.K.)
J.D. C. Jones, University of Kent (U.K.)
D. A. Jackson, University of Kent (United Kingdom)

Published in SPIE Proceedings Vol. 0838:
Fiber Optic and Laser Sensors V
Ramon P. DePaula; Eric Udd, Editor(s)

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