Soil moisture content measurement using optical fiber long period gratings
Abstract
The use of an optical fibre long period grating (LPG) as a soil moisture sensor is reported. Characterization of the device in both clay and sandy soils revealed a sensitivity to moisture levels in the range 10–50%, and the results were compared with the output from a Theta probe, the standard soil moisture sensor, which measures the impedance of the...
Paper Details
Title
Soil moisture content measurement using optical fiber long period gratings
Published Date
Apr 23, 2017
Journal
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