Hetero-core spliced optical fiber SPR sensor system for soil gravity water monitoring in agricultural environments

Authors:
Lee See Goh;Norikazu Kumekawa;Kazuhiro Watanabe;Norihiko Shinomiya
Affiliations:
-;-;-;-
Venue:
Computers and Electronics in Agriculture
Year:
2014

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Abstract

This paper presents a hetero-core spliced optical fiber surface plasmon resonance sensor system for soil gravity water monitoring in agricultural environments. The present system simultaneously provides data communications and sensing functions over the same optical fiber line. The sensor is covered with tantalum pentoxide, which allows data transmission distance to be extended with a wavelength of 1310nm for wide-area monitoring. This sensor system can gather remotely observed environmental data from monitoring points and deliver them to users on a real-time basis.