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4 October 2023 Technological issues of twisted microstructured optical fiber fabrication
Anton V. Bourdine, Vladimir V. Demidov, Egishe V. Ter-Nersesyants, Alexander V. Khokhlov, Alexandra S. Matrosova, Grigori A. Pchelkin, Dmitriy N. Shurupov, Sergei V. Bureev, Andrey I. Kashin, Denis E. Praporshchikov, Elena S. Zaitseva, Kirill A. Volkov, Konstantin V. Dukelskii, Manish Tiwari
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Proceedings Volume 12743, Optical Technologies for Telecommunications 2022; 127430A (2023) https://doi.org/10.1117/12.2679195
Event: Optical Technologies for Telecommunications 2022, 2022, Ufa, Russian Federation
Abstract
This work presents overview of technological issues concerned with drawing of twisted silica microstructured optical fibers. We present results of drawing tower modifications with developed and verified technological modes, that provide fabrication of silica microstructured optical fibers with induced chirality up to extremely high twisting order of 800 revolutions per meter (rpm). Thus, a work package using the original designer technical solutions for upgrade the adapter for supplying overpressure to the cane holes of the microstructured optical fiber (MOF) was carried out. Hence, the target increase in the twisting speed in the cane feed unit to 2000 rpm is ensured while simultaneously target overpressure feeding to the cane holes, which prevents the hole collapsing in the process of MOF drawing. The reliability of the adapter design and the high reproducibility of the specified cross section structure for the MOF at lengths of more than 50 meters with a twist period of 500 rpm have been experimentally confirmed. For the first time in the Russian Federation, prototypes of "stable" chiral MOF lengths (more than 50 m) of a different configuration with a maximum induced twisting of 500 rpm and MOFs prototypes with structure stability at lengths of less than 50 m with a strongly induced chirality of up to 790 rpm were fabricated. The geometric patterns of these fibers are also presented in this work.
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Anton V. Bourdine, Vladimir V. Demidov, Egishe V. Ter-Nersesyants, Alexander V. Khokhlov, Alexandra S. Matrosova, Grigori A. Pchelkin, Dmitriy N. Shurupov, Sergei V. Bureev, Andrey I. Kashin, Denis E. Praporshchikov, Elena S. Zaitseva, Kirill A. Volkov, Konstantin V. Dukelskii, and Manish Tiwari "Technological issues of twisted microstructured optical fiber fabrication", Proc. SPIE 12743, Optical Technologies for Telecommunications 2022, 127430A (4 October 2023); https://doi.org/10.1117/12.2679195
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KEYWORDS
Micro optical fluidics
Optical fibers
Fabrication
Structured optical fibers
Design and modelling
Capillaries
Prototyping
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