High Speed Measurements using Fiber-optic Bragg Grating Sensors

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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.

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PDF-file: 14 pages; size: 3.8 Mbytes

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Benterou, J J; May, C A; Udd, E; Mihailov, S J & Lu, P March 26, 2011.

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Description

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.

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PDF-file: 14 pages; size: 3.8 Mbytes

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  • Presented at: 2011 SPIE Defense, Security, & Sensing Conference, Orlando, FL, United States, Apr 25 - Apr 29, 2011

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  • Report No.: LLNL-PROC-477371
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1022149
  • Archival Resource Key: ark:/67531/metadc843778

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • March 26, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Nov. 29, 2016, 12:47 p.m.

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Benterou, J J; May, C A; Udd, E; Mihailov, S J & Lu, P. High Speed Measurements using Fiber-optic Bragg Grating Sensors, article, March 26, 2011; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc843778/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.