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Proceedings Paper

High speed measurements using fiber-optic Bragg gratings
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Paper Abstract

Fiber grating sensors may be used to monitor high-speed events that include catastrophic failure of structures, ultrasonic testing and detonations. This paper provides insights into the utility of fiber grating sensors to measure structural changes under extreme conditions. An emphasis is placed on situations where there is a structural discontinuity. Embedded chirped fiber Bragg grating (CFBG) sensors can track the very high-speed progress of detonation waves (6-9 km/sec) inside energetic materials. This paper discusses diagnostic instrumentation and analysis techniques used to measure these high-speed events.

Paper Details

Date Published: 2 June 2011
PDF: 12 pages
Proc. SPIE 8028, Fiber Optic Sensors and Applications VIII, 802808 (2 June 2011); doi: 10.1117/12.884703
Show Author Affiliations
Jerry Benterou, Lawrence Livermore National Lab. (United States)
Chadd May, Lawrence Livermore National Lab. (United States)
Eric Udd, Columbia Gorge Research (United States)
Stephen J. Mihailov, Communications Research Ctr. Canada (Canada)
Ping Lu, Communications Research Ctr. Canada (Canada)

Published in SPIE Proceedings Vol. 8028:
Fiber Optic Sensors and Applications VIII
Stephen J. Mihailov; Henry H. Du; Gary Pickrell, Editor(s)

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