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Proceedings Paper

Continuous measurement of temperature distributed on a building construction
Author(s): Il-Bum Kwon; Chi-Yeop Kim; Man-Yong Choi
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Paper Abstract

We have focused on the development of a fiber optic BOTDA (Brillouin Optical Time Domain Analysis) sensor system in order to measure temperature distributed on large structures. Also, we present a feasibility study of the fiber optic sensor to monitor the distributed temperature on a building construction. A fiber optic BOTDA sensor system, which has a capability of measuring the temperature distribution, attempted over several kilometers of long fiber paths. This simple fiber optic sensor system employs a laser diode and two electro-optic modulators. The optical fiber of the length of 1400 m was installed on the surfaces of the building. The change of the distributed temperature on the building construction was well measured by this fiber optic sensor. The temperature changed normally up to 4 degrees C through one day.

Paper Details

Date Published: 28 June 2002
PDF: 11 pages
Proc. SPIE 4696, Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways, (28 June 2002); doi: 10.1117/12.472563
Show Author Affiliations
Il-Bum Kwon, Korea Research Institute of Standards and Science (South Korea)
Chi-Yeop Kim, Korea Research Institute of Standards and Science (South Korea)
Man-Yong Choi, Korea Research Institute of Standards and Science (South Korea)


Published in SPIE Proceedings Vol. 4696:
Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways
S.-C. Liu; Darryll J. Pines, Editor(s)

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