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Proceedings Paper

Comparison of strain sensitivity of bare and structure-integrated fiber Bragg gratings
Author(s): Solomija Yu. Lebid; Detlef Hofmann; Frank Basedau; Werner Daum
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Paper Abstract

For the last decade sensor architectures with embedded fibers found their application in large structure monitoring and proved their capability to replace existing techniques for monitoring of linear strain, temporary or permanent none-uniform strain and load, temperature, vibrations, bending, or complex strain-temperature, vibrations-temperature influences, etc. Such sensor architectures, called smart structures, use different sensing mechanisms, in one of which - fiber Bragg grating (FBG) - is applied as a sensitive element. Because of high sensitivity, absolute measurement ability, possibility to work reliable in adverse environment, such as electromagnetic fields, radiation, extreme temperature, and quick response time, FBGs are object of numerous research of leading laboratories worldwide. Some problems are still remaining in this field, although there have been some ways found to solve part of them. This paper discusses some aspects of different fixing mechanisms of FBG and provides evaluation and comparison of methods of FBG integration in sensor housing or in sensor architecture.

Paper Details

Date Published: 8 July 2003
PDF: 6 pages
Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); doi: 10.1117/12.498346
Show Author Affiliations
Solomija Yu. Lebid, Federal Institute for Materials Research and Testing (Germany)
Detlef Hofmann, Federal Institute for Materials Research and Testing (Germany)
Frank Basedau, Federal Institute for Materials Research and Testing (Germany)
Werner Daum, Federal Institute for Materials Research and Testing (Germany)

Published in SPIE Proceedings Vol. 5036:
Photonics, Devices, and Systems II
Miroslav Hrabovsky; Dagmar Senderakova; Pavel Tomanek, Editor(s)

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