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Proceedings Paper

Multidimensional strain field measurements using fiber optic grating sensors
Author(s): Eric Udd; Whitten L. Schulz; John M. Seim; Eric D. Haugse; Angela Trego; Patrick E. Johnson; Thomas E. Bennett; Drew V. Nelson; Alberto Makino
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Paper Abstract

Fiber optic grating sensors written into polarization preserving optical fiber may be used to monitor multidimensional strain fields in composite materials. This paper provides an overview of the characterization and test of multiaxis fiber grating sensors formed by writing 1300 and 1550 nm fiber gratings into polarization preserving optical fiber. A discussion of the usage of these multiaxis fiber grating sensors to measure two and three dimensional strain fields will be made. A brief review of practical applications of the technology to measure shear strain, transverse strain gradients as well as axial and traverse strain will be made with emphasis on aerospace and civil structure applications.

Paper Details

Date Published: 12 June 2000
PDF: 9 pages
Proc. SPIE 3986, Smart Structures and Materials 2000: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (12 June 2000); doi: 10.1117/12.388113
Show Author Affiliations
Eric Udd, Blue Road Research (United States)
Whitten L. Schulz, Blue Road Research (United States)
John M. Seim, Blue Road Research (United States)
Eric D. Haugse, Boeing Phantom Works (United States)
Angela Trego, Boeing Phantom Works (United States)
Patrick E. Johnson, Boeing Phantom Works (United States)
Thomas E. Bennett, Sandia National Labs. (United States)
Drew V. Nelson, Stanford Univ. (United States)
Alberto Makino, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 3986:
Smart Structures and Materials 2000: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Richard O. Claus; William B. Spillman, Editor(s)

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