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Proceedings Paper

Fiber Optic-Thin Film Temperature Sensor.
Author(s): Glenn Boreman; Roy Walters; Danial Lester
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Paper Abstract

A requirement to measure' temperature' in 1.2 Tesla magnetic fields by a. reliable, low resolution, permanently calibrated instrument. has led to the development of an all-dielectric sensor'. It is composed. of fiber optic communication line, gradient index lenses and a temperature sensitve narrow band-pass, interference filter. The spectral location of the filter passband is temperature dependent and was observed, as a large modulation of transmitted laser power on the filter edge. The resolution of a. sensor based on the spectral mean of transmitted light was better than 5 degrees celsius from 20 to 150 degrees celsius. A. line source in a. wavelength region away from the filter resonance is used for continuous spectrometer calibration. The multiplexing of sensors, is described.

Paper Details

Date Published: 3 January 1986
PDF: 5 pages
Proc. SPIE 0566, Fiber Optic and Laser Sensors III, (3 January 1986); doi: 10.1117/12.949806
Show Author Affiliations
Glenn Boreman, University of Central Florida (United States)
Roy Walters, University of Central Florida (United States)
Danial Lester, University of Central Florida (United States)


Published in SPIE Proceedings Vol. 0566:
Fiber Optic and Laser Sensors III
Emery L. Moore; O. Glenn Ramer, Editor(s)

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