Principle of Multimode Fiber Optic Sensors
This chapter addresses simple optical fiber sensors based on modal interference in multimode optical fibers: their working principles, potential applications, and challenges for industrial sensor realizations. Such multimode optical fiber sensors have advantages of: relatively large dimensions so improving tolerances with respect to end effects and interconnections. Finally, by the end of this paper, we also review some new trends of MMI-based schemes based on polymer.
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