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Proceedings Paper

Cure and stress monitoring of composite containers using optical fibers
Author(s): Pekka Suopajaervi; Veijo Lyori; Seppo M. Nissilae; Harri K. Kopola; Reijo Johansson
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Paper Abstract

The monitoring of fuel tanks and toxic liquid containers with embedded long optical fibers makes it possible to determine their condition and to detect probable environmental risks. We present here measurements of microbending loss in long, single-mode telecommunication fibers installed inside the walls of composite containers during the manufacturing process. The measurements were performed by the optical through power technique and using a commercial optical time domain reflectometer. The measurement data indicate that the optical sensing fibers can detect the end of the curing process in the composite and the occurrence of external loading likely to damage the structure.

Paper Details

Date Published: 21 September 1995
PDF: 10 pages
Proc. SPIE 2509, Smart Structures: Optical Instrumentation and Sensing Systems, (21 September 1995); doi: 10.1117/12.221104
Show Author Affiliations
Pekka Suopajaervi, Univ. of Oulu (Finland)
Veijo Lyori, Univ. of Oulu (Finland)
Seppo M. Nissilae, Univ. of Oulu (Finland)
Harri K. Kopola, Univ. of Oulu (Finland)
Reijo Johansson, Labko Ltd. (Finland)

Published in SPIE Proceedings Vol. 2509:
Smart Structures: Optical Instrumentation and Sensing Systems
Deepak G. Uttamchandani, Editor(s)

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