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Based on variational principle, we have earlier developed an analytical model for the modal field of indexguiding microstructured optical fibers (MOFs). Using the model, we study the linear properties of MOF such as spot-sizes; their application in calculating numerical aperture NA and splice loss between an MOF and SMF-28 with transverse offset. Comparisons with available experimental and simulation...
We present an analytical model for the mode of index-guided microstructured fibers. This model exhibits essential symmetry features of the field unlike the commonly used equivalent step-index (ESI) model. The model is shown to be more accurate than the equivalent step-index (ESI) model in predicting the effective-indices of the mode. Results for the modal effective index, near and far fields and dispersion...
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