Comparison of strain sensitivity of bare and structure-integrated fiber Bragg gratings

Solomija Yu. Lebid; Detlef Hofmann; Frank Basedau; Werner Daum

doi:10.1117/12.498346

8 July 2003 Comparison of strain sensitivity of bare and structure-integrated fiber Bragg gratings

Solomija Yu. Lebid, Detlef Hofmann, Frank Basedau, Werner Daum

Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498346
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic

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.

Citation Download Citation

Solomija Yu. Lebid, Detlef Hofmann, Frank Basedau, and Werner Daum "Comparison of strain sensitivity of bare and structure-integrated fiber Bragg gratings", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498346

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