Core crosstalk in ordered imaging fiber bundles

Helen E. Parker, Antonios Perperidis, James M. Stone, Kevin Dhaliwal, Michael G. Tanner

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Abstract

Coherent fiber bundles are used widely for imaging. Commonly, disordered arrays of randomly sized fiber cores avoid proximity between like-cores, which would otherwise result in increased core crosstalk and a negative impact on imaging. Recently, stack-and-draw fiber manufacture techniques have been used to produce fibers with a controlled core layout to minimize core crosstalk. However, one must take manufacturing considerations into account during stack-and-draw fiber design in order to avoid impractical or unachievable fabrication. This comes with a set of practical compromises, such as using only a small number of different core sizes. Through characterization of core crosstalk patterns, this Letter aims to aid the understanding of crosstalk limitations imposed by such compromises in the core layout made for ease of fabrication.
Original languageEnglish
Pages (from-to)6490-6493
Number of pages4
JournalOptics Letters
Volume45
Issue number23
Early online date30 Nov 2020
DOIs
Publication statusPublished - 1 Dec 2020

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