Analysis of the beam divergence for one-rod core microstructured optical fibres |
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Authors: | D.K. Sharma S.M. Tripathi |
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Affiliation: | 1. Center for Lasers and Photonics, Indian Institute of Technology Kanpur, Kanpur, 208016, India;2. Department of Physics, Indian Institute of Technology Kanpur, Kanpur, 208016, India |
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Abstract: | The evolution of microstructured optical fibers with hexagonal array (H-MOFs) of air-holes rooted in the background of undoped silica has led to the realization of an ideal host for encouraging and technologically entitled optical properties. We focus to explore the divergence of radiation into free space from the end-facet of solid-core H-MOFs by using the improved theoretical model. Also, we investigated the wavelength dependence of beam divergence angle for principal core mode of H-MOFs under step-index fiber approximation (SIFA). Experimental results have been included for comparison. |
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Keywords: | Corresponding author. Marcuse formula Microstructured optical fibres Beam divergence Mode-field diameter Improved field model |
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