15 December 2000 Laboratory and field measurements with a fiber optic soil moisture sensor
Author Affiliations +
Proceedings Volume 4087, Applications of Photonic Technology 4; (2000); doi: 10.1117/12.406365
Event: 2000 International Conference on Application of Photonic Technology (ICAPT 2000), 2000, Quebec City, Canada
A novel design of a fiber-optic soil moisture sensor is described together with its performance under laboratory and field conditions. The sensor utilizes total internal reflection of light in a right-angled glass prism. The sensor-head can be buried at any depth below the soil surface and is linked to a remotely operated light source. The sensor is tested for several days of continuous operation using different soil types and drying conditions.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Aisha Fields, R. Swain, R. Kennedy, William R. Belisle, Tommy L. Coleman, Anup Sharma, "Laboratory and field measurements with a fiber optic soil moisture sensor", Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); doi: 10.1117/12.406365; http://dx.doi.org/10.1117/12.406365


Soil science

Optical fibers


Fiber optics sensors

Light sources



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