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Photonic crystal fiber and its applications in sensors
Photonic Crystal Fiber(PCF) has attracted extensive attention because it is different from ordinary fibers in both structure and lightguide mechanism and shows many characteristics that cannot be found in conventional fibers.Moreover
its unusual characteristics have expanded its application areas and sensors with superb performances can be produced by utilizing some of these characteristics.In this paper
its basic concept and main characteristics are introduced and several applications in sensors described.