Abstract

We demonstrate that the beam-propagation method can be used to calculate accurately both the pure bending loss and the transition loss of bent single-mode optical waveguides and fibers. Our results allow us to establish the accuracy of several commonly used theories of bending loss and to investigate the degree to which theories of stepindex monomode fiber losses can be used to predict the losses of graded-index monomode fibers.

© 1983 Optical Society of America

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Author Affiliations

J. Saijonmaa

Department of Electrical Engineering, Communications Laboratory, Helsinki University of Technology, 02150 Espoo 15, Finland

D. Yevick

Institute of Optical Research, S-100 44 Stockholm, Sweden

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