Two-axis curvature measurement is presented using Bragg gratings in a fourcore optical fiber. Dynamic differential strains between core pairs were measured using arrayed waveguide gratings to track arbitrary free vibration of a cantilever.
© 2006 Institute of Electronics, Information and Communication Engineers
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(230.1480) Optical devices : Bragg reflectors
A. Fender, W. N. MacPherson, A. J. Moore, J. S. Barton, J. D. C. Jones, S. McCulloch, B. J. S. Jones, D. Zhao, L. Zhang, and I. Bennion, "Dynamic Two-Axis Curvature Measurement using Multicore Fiber Bragg Gratings," in Optical Fiber Sensors, OSA Technical Digest (CD) (Optical Society of America, 2006), paper TuE87.
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