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Proceedings Paper

Multiplexing fiber Bragg grating sensors
Author(s): William W. Morey; James R. Dunphy; Gerald Meltz
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Paper Abstract

Bragg reflection gratings and out-coupling taps for sensors can be written holographically within the core of many commercial fibers available today. The gratings appear to be permanent and have been tested to temperatures in excess of 500 degree(s)C. Quasi-distributed temperature, strain, pressure, chemical, and interferometric type sensors can be made with the wavelength selective, reflection gratings, and taps. The fiber gratings, and the different types of sensors they can make, conveniently lend themselves to WDM, TDM, and FDM types of multiplexing schemes. Instrumentation to detect the multiple sensors and measure their spectral shift for localized and quasi-distributed sensing is currently under development.

Paper Details

Date Published: 1 January 1992
PDF: 9 pages
Proc. SPIE 1586, Distributed and Multiplexed Fiber Optic Sensors, (1 January 1992); doi: 10.1117/12.56520
Show Author Affiliations
William W. Morey, United Technologies Research Ctr. (United States)
James R. Dunphy, United Technologies Research Ctr. (United States)
Gerald Meltz, United Technologies Research Ctr. (United States)


Published in SPIE Proceedings Vol. 1586:
Distributed and Multiplexed Fiber Optic Sensors

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