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Proceedings Paper

Measuring humidity and moisture with fiber optic sensors
Author(s): Wesley Kunzler; Sean G. Calvert; Marty Laylor
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Paper Abstract

Polyimide coated fiber Bragg gratings have a linear response to changes in relative humidity and temperature. Blue Road Research is using this technology to monitor relative humidity and using acrylate-coated gratings to monitor temperature. This paper describes some of the sensors and readout systems for simple and multiplexed relative humidity and temperature sensors. Additionally, an indirect method for monitoring soil moisture is described.

Paper Details

Date Published: 20 November 2003
PDF: 8 pages
Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544396
Show Author Affiliations
Wesley Kunzler, Blue Road Research (United States)
Sean G. Calvert, Blue Road Research (United States)
Marty Laylor, Blue Road Research (United States)


Published in SPIE Proceedings Vol. 5278:
Sixth Pacific Northwest Fiber Optic Sensor Workshop
Eric Udd; Stephen T. Kreger; Jeff Bush, Editor(s)

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