Backscattering in Antiresonant Hollow Core Fibers: from Air Scattering to Surface Scattering

We use a custom-developed high-sensitivity optical time domain reflectometer to monitor evacuation of an antiresonant hollow core fiber. While initially backscattering from the air- filled core is dominant, as gas pressure reduces, surface-related backscattering is measured.

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Bibliographic Details
Published in2024 Conference on Lasers and Electro-Optics (CLEO) pp. 1 - 2
Main Authors Wei, Xuhao, Wheeler, Natalie V., Goraioobi, Shahab Bakhtiari, Sandoghchi, Seyed Reza, Poletti, Francesco, Slavik, Radan
Format Conference Proceeding
LanguageEnglish
Published Optica 05.05.2024
Subjects
Atmospheric measurements
Atmospheric modeling
Backscatter
Optical fibers
Optical reflection
Optical scattering
Predictive models
Pressure measurement
Scattering
Time-domain analysis
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Summary:We use a custom-developed high-sensitivity optical time domain reflectometer to monitor evacuation of an antiresonant hollow core fiber. While initially backscattering from the air- filled core is dominant, as gas pressure reduces, surface-related backscattering is measured.