Simple Model for Spatial Coherence of Light at the Output of a Multimode Fiber

Anatoly Efimov

doi:10.1109/JLT.2019.2915788

Simple Model for Spatial Coherence of Light at the Output of a Multimode Fiber

Anatoly Efimov

Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A model for the spatial coherence function of a partially coherent light produced at the output of a step-index multimode fiber excited with a spatially coherent broadband source is developed. The field is represented as a sum of coherent and partially coherent parts, the former being a fully developed speckle and the latter is described by a 'Jinc' degree of coherence and uniform intensity over the core of the fiber. The model correctly describes all available experimental data, including global degree of coherence, and is intuitive and simple.

Original language	English
Pages (from-to)	5647-5651
Number of pages	5
Journal	Journal of Lightwave Technology
Volume	37
Issue number	22
DOIs	https://doi.org/10.1109/JLT.2019.2915788
State	Published - Nov 15 2019

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abstract = "A model for the spatial coherence function of a partially coherent light produced at the output of a step-index multimode fiber excited with a spatially coherent broadband source is developed. The field is represented as a sum of coherent and partially coherent parts, the former being a fully developed speckle and the latter is described by a 'Jinc' degree of coherence and uniform intensity over the core of the fiber. The model correctly describes all available experimental data, including global degree of coherence, and is intuitive and simple.",

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AB - A model for the spatial coherence function of a partially coherent light produced at the output of a step-index multimode fiber excited with a spatially coherent broadband source is developed. The field is represented as a sum of coherent and partially coherent parts, the former being a fully developed speckle and the latter is described by a 'Jinc' degree of coherence and uniform intensity over the core of the fiber. The model correctly describes all available experimental data, including global degree of coherence, and is intuitive and simple.

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Simple Model for Spatial Coherence of Light at the Output of a Multimode Fiber

Abstract

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