Jpn. J. Appl. Phys. 45 (2006) pp. 7771-7772  |Previous Article| |Next Article|  |Table of Contents|
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Brief Communication

Submersion Sensor with Side-Polished Fiber and Planar Waveguide in Manhole

Cherl-Hee Lee, Dong-Ho Lee, Kwang-Hee Kwon1 and Jae-Won Song

918 College of Engineering Building X, School of Electrical Engineering and Computer Science, Kyungpook National University, Sankyuk-dong, Buk-gu, Daegu 702-701, Republic of Korea
1LS Cable Ltd., 555 Hogye-dong, Anyang-si, Kyungki-do 431-080, Republic of Korea

(Received May 7, 2006; accepted June 19, 2006; published online October 6, 2006)

Experiments are conducted to investigate whether a side-polished fiber sensor can detect submersion without being affected by water impurities when a manhole is submerged. The side-polished fiber sensor is also examined whether it can detect submersion when the overlay of such sensor is covered with impurities.

DOI: 10.1143/JJAP.45.7771
KEYWORDS:submersion sensor, manhole, side-polished fiber, field application

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