Study On Fiber Gratings And Its Characterization

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Dr. Ved Nath Jha, Dr. Praveen Bhatt


Good potential uses in fiber and fiber lasers have been seen through Random Fiber Gratings (RFGs). However, a quantitative link has never been studied between the RFG's randomness and spectral reaction. This paper first experimentally characterizes two RFGs of varying degrees of randomness by optical frequency reflectometry (OFDR). The high degree of randomness indicates that the grating intensity is limited and the strength variations in spatial domain are large. The experimental findings show. Study establishes the theoretical basis for the optimisation configuration and implementation of the long-term fiber grating in the area of fiber optics sensing and communication.

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