Modal structure from far-field measurements |
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Authors: | Hammond R.T. |
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Affiliation: | US Naval Air Dev. Center, Warminster, PA; |
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Abstract: | It is shown how and to what extent the modal structure of a multimode fiber may be found from the far-field radiation pattern. Although specific inverse integral coefficient type formulas are not obtained for each modal weight, the analysis shows how to mathematically isolate the L from m modes using a polarizer, and then deduce the modal coefficients from the result |
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