A two-dimensional curvature sensor based on Bragg grating defined interferometric cavities formed in multicore fiber is described. This sensor provides responsivity enhancement up to 30 times that of previously reported fiber Bragg grating based sensors.
© 2006 Institute of Electronics, Information and Communication Engineers
(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
(120.3180) Instrumentation, measurement, and metrology : Interferometry
G. A. Cranch, G. M. Flockhart, W. N. MacPherson, J. S. Barton, and C. K. Kirkendall, "Ultra-High Sensitivity Curvature Sensor Based on Bragg Grating Defined Interferometric Cavities Formed in Multicore Fiber," in Optical Fiber Sensors, OSA Technical Digest (CD) (Optical Society of America, 2006), paper ThB3.