Detection of Soil Gravity Water with Hetero-Core Optical Fiber Sensor

Kumekawa, Norikazu; Takagi, Keiju; Nishiyama, Michiko; Watanabe, Kazuhiro

doi:10.1541/ieejsmas.131.206

Cited by 3 publications

(1 citation statement)

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“…Our study focuses on a fiber optic SPR sensor manufactured with using the hetero-core spliced fiber [1] which has been developed and studied in our university. Our SPR sensor has unique characteristics where it is able to establish both data communications and soil gravity water sensing [2] function in the same line simultaneously [3]. Embedding highlysensitive sensor into existing fiber optic communications network produces the attractive advantages and unique features of the fiber optic itself.…”

Section: Introductionmentioning

confidence: 99%

A hetero-core spliced fiber optic SPR sensor network for extensive-area natural environment monitoring

2012

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This study discusses the development of a simple and cost-effective natural environment monitoring system constructed using a hetero-core spliced fiber optic SPR sensor by which simultaneous data communications and sensing functions can be achieved on the same line. In order to verify the data communication and sensing function of sensor in an extensive-area of 2000 meters, laboratory experiments employ a SPR sensor with 50-3-50μm core type hetero-core structure which is coated with gold (Au) at 25nm and tantalum pentoxide (Ta2O5) at 60nm. The proposed system has been developed such that the data communication and sensing function are successfully demonstrated.

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Section: Introductionmentioning

confidence: 99%