Multidimensional strain field measurements using fiber optic grating sensors

Eric Udd; Whitten L. Schulz; John M. Seim; Eric D. Haugse; Angela Trego; Patrick E. Johnson; Thomas E. Bennett; Drew V. Nelson; Alberto Makino

doi:10.1117/12.388113

12 June 2000 Multidimensional strain field measurements using fiber optic grating sensors

Eric Udd, Whitten L. Schulz, John M. Seim, Eric D. Haugse, Angela Trego, Patrick E. Johnson, Thomas E. Bennett, Drew V. Nelson, Alberto Makino

Author Affiliations +

Proceedings Volume 3986, Smart Structures and Materials 2000: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials; (2000) https://doi.org/10.1117/12.388113
Event: SPIE's 7th Annual International Symposium on Smart Structures and Materials, 2000, Newport Beach, CA, United States

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.

Citation Download Citation

Eric Udd, Whitten L. Schulz, John M. Seim, Eric D. Haugse, Angela Trego, Patrick E. Johnson, Thomas E. Bennett, Drew V. Nelson, and Alberto Makino "Multidimensional strain field measurements using fiber optic grating sensors", Proc. SPIE 3986, Smart Structures and Materials 2000: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (12 June 2000); https://doi.org/10.1117/12.388113

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