A two-mode photonic crystal fiber interferometer is proposed as a low-cost interrogation unit for FBG-based sensors. The interferometer converts the Bragg wavelength shift into intensity changes or strain and operates from 800 to 1600 nm.
© 2008 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
J. Villatoro, V. Finazzi, V. P. Minkovich, and G. Badenes, "Compact All-Fiber Interrogation Unit for FBG Sensors," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optical Society of America, 2008), paper OWO4.
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