Multiaxis fiber grating strain sensor applications for structural monitoring and process control

Eric Udd; Whitten L. Schulz; John M. Seim

doi:10.1117/12.335751

11 January 1999 Multiaxis fiber grating strain sensor applications for structural monitoring and process control

Eric Udd, Whitten L. Schulz, John M. Seim

Proceedings Volume 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors; (1999) https://doi.org/10.1117/12.335751
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

By writing one or more fiber gratings onto birefringent optical fiber a multi-axis fiber grating is created that is capable of measuring transverse as well as axial strain. In addition to the measurement of transverse gradients it is possible to identify the axis and magnitude of transverse strain gradients. This allows detailed diagnostic of the interior of parts as they are being cured and after fabrication health monitoring systems capable of supporting the measurement of multidimensional strain fields.

Citation Download Citation

Eric Udd, Whitten L. Schulz, and John M. Seim "Multiaxis fiber grating strain sensor applications for structural monitoring and process control", Proc. SPIE 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors, (11 January 1999); https://doi.org/10.1117/12.335751

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