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Proceedings Paper

Rayleigh Scattering From Multimode Optical Fibres At Very High Temperatures
Author(s): D. J. Booth; S. F. Collins; A. Shelamoff; J. C. Scott
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Paper Abstract

Normal multimode graded-index optical communication fibres have been operated at temperatures up to 1200°C with a view to determining their suitability for communication and sensing applications in very high temperature environments. To this end, scattering from fibres which have been repeatedly heated to temperatures up to 1200°C has been investigated with an OTDR operating at 850 nm. A complicated variation of scattering with temperature has been observed, particularly during the first heating of the fibre. However, with suitable pre-treatment the fibre scattering may be used for distributed temperature sensing at temperatures up to about 800°C. Above this temperature the fibre has limited life due to rapid crack propagation and breaking.

Paper Details

Date Published: 13 February 1990
PDF: 7 pages
Proc. SPIE 1169, Fiber Optic and Laser Sensors VII, (13 February 1990); doi: 10.1117/12.963031
Show Author Affiliations
D. J. Booth, Footscray Institute of Technology (Australia)
S. F. Collins, Footscray Institute of Technology (Australia)
A. Shelamoff, Footscray Institute of Technology (Australia)
J. C. Scott, BHP Central Research Laboratories (Australia)

Published in SPIE Proceedings Vol. 1169:
Fiber Optic and Laser Sensors VII
Ramon P. DePaula; Eric Udd, Editor(s)

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