Measuring humidity and moisture with fiber optic sensors

Wesley Kunzler; Sean G. Calvert; Marty Laylor

doi:10.1117/12.544396

20 November 2003 Measuring humidity and moisture with fiber optic sensors

Wesley Kunzler, Sean G. Calvert, Marty Laylor

Proceedings Volume 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop; (2003) https://doi.org/10.1117/12.544396
Event: Sixth Pacific Northwest Fiber Optic Sensor Workshop, 2003, Troutdale, OR, United States

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.

Citation Download Citation

Wesley Kunzler, Sean G. Calvert, and Marty Laylor "Measuring humidity and moisture with fiber optic sensors", Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); https://doi.org/10.1117/12.544396

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