Modulated-Splitting-Ratio Fiber-Optic Temperature Sensor

Glenn Beheim; Donald J. Anthan; John R. Rys; Klaus Fritsch; Walter R. Ruppe

doi:10.1117/12.948831

1 February 1989 Modulated-Splitting-Ratio Fiber-Optic Temperature Sensor

Glenn Beheim, Donald J. Anthan, John R. Rys, Klaus Fritsch, Walter R. Ruppe

Proceedings Volume 0985, Fiber Optic and Laser Sensors VI; (1989) https://doi.org/10.1117/12.948831
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

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.

Citation Download Citation

Glenn Beheim, Donald J. Anthan, John R. Rys, Klaus Fritsch, and Walter R. Ruppe "Modulated-Splitting-Ratio Fiber-Optic Temperature Sensor", Proc. SPIE 0985, Fiber Optic and Laser Sensors VI, (1 February 1989); https://doi.org/10.1117/12.948831

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