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Proceedings Paper

High spatial resolution distributed fiber optic temperature sensor
Author(s): Anthony A. Boiarski; Vincent D. McGinniss; G. Turhan-Sayan
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Paper Abstract

A distributed fiber optic temperature sensing system was developed which consisted of a high-resolution optical time domain reflectometer (OTOR) and a special optical fiber sensor. Several 1 kilometer lengths of prototype sensing fibers were formed by coating a modified, ultraviolet light curable polymer cladding material onto a core glass during fiber production. By monitoring changes in Rayleigh backscattered light from the fiber; local temperature changes were measured along the fiber length. A demonstration system was assembled with a 20 meter sensing fiber and extensive data were collected. These measurements indicated that hot spots as small as 10 cm could be detected over a temperature range of 0 to 150°C with a measurement accuracy of ±°C

Paper Details

Date Published: 1 November 1990
PDF: 13 pages
Proc. SPIE 1338, Optoelectronic Devices and Applications, (1 November 1990); doi: 10.1117/12.22973
Show Author Affiliations
Anthony A. Boiarski, Battelle Memorial Institute (United States)
Vincent D. McGinniss, Battelle Memorial Institute (United States)
G. Turhan-Sayan, Battelle Memorial Institute (United States)


Published in SPIE Proceedings Vol. 1338:
Optoelectronic Devices and Applications
Sriram Sriram, Editor(s)

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