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Proceedings Paper

Modulated-Splitting-Ratio Fiber-Optic Temperature Sensor
Author(s): Glenn Beheim; Donald J. Anthan; John R. Rys; Klaus Fritsch; Walter R. Ruppe
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Paper Abstract

A fiber-optic temperature sensor is described that uses a small silicon beamsplitter whose splitting ratio varies as a function of temperature. A four-beam technique is used to measure the sensor's temperature-indicating splitting ratio. This referencing method provides a measurement that is largely independent of the transmission properties of the sensor's optical fiber link. A significant advantage of this sensor, relative to other fiber-optic sensors, is its high stability, which permits the fiber-optic components to be readily substituted, thereby simplifying the sensor's installation and maintenance.

Paper Details

Date Published: 1 February 1989
PDF: 8 pages
Proc. SPIE 0985, Fiber Optic and Laser Sensors VI, (1 February 1989); doi: 10.1117/12.948831
Show Author Affiliations
Glenn Beheim, National Aeronautics and Space Administration (United States)
Donald J. Anthan, Cleveland State University (United States)
John R. Rys, Cleveland State University (United States)
Klaus Fritsch, John Carroll University (United States)
Walter R. Ruppe, Case Western Reserve University (United States)


Published in SPIE Proceedings Vol. 0985:
Fiber Optic and Laser Sensors VI
Ramon P. DePaula; Eric Udd, Editor(s)

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