Mode coupling in strained and unstrained step-index plastic optical fibers |
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Authors: | Savović Svetislav Djordjevich Alexandar |
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Affiliation: | City University of Hong Kong, Kowloon, Hong Kong, China. savovic@kg.ac.yu |
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Abstract: | Using the power-flow equation, we have examined the state of mode coupling in strained and unstrained step-index plastic optical fibers. The strained fibers show much stronger mode coupling than unstrained fibers of the same types. As a result, the coupling lengths where equilibrium mode distribution is achieved and the lengths of fiber required for achieving a steady-state mode distribution for strained fibers are much shorter than the corresponding lengths for unstrained fibers. |
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