A method for estimating an optical fiber's shape from internal strain states is presented. Localized sensing of both bending and twisting requires a specialized multi-core fiber design, high-performance static strain sensing and robust reconstruction algorithms.
© 2008 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4610) Instrumentation, measurement, and metrology : Optical fabrication
C. G. Askins, G. A. Miller, and E. J. Friebele, "Bend and Twist Sensing in a Multiple-Core Optical Fiber," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optical Society of America, 2008), paper OMT3.
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