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Modeling and analysis of bend losses for standard single mode fibers

Theoretical modeling of macro-bend losses for a single mode fiber is firstly presented. Macro-bend losses for standard single mode fibers (SMF28) are investigated theoretically and experimentally. The agreement between theoretical calculation results and experimental measured results suggests that 1) most of the radiation field is absorbed in the inner coating layer of SMF28 and 2) so-called elastooptical correction is not required for SMF28.