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Conference object . 2025
License: CC BY
Data sources: ZENODO
https://doi.org/10.1117/12.307...
Article . 2025 . Peer-reviewed
Data sources: Crossref
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Influence of anti-resonant hollow-core fibers geometry on their acoustic vibrations sensitivity

Authors: Borodkin, Andrei; Baravets, Yauhen; Moravec, Ondřej; Podrazký, Ondřej; Bartoň, Ivo; Grabner, Martin; Honzatko, Pavel; +1 Authors

Influence of anti-resonant hollow-core fibers geometry on their acoustic vibrations sensitivity

Abstract

The widespread use of optical fibers in communication technologies, coupled with their sensitivity to acoustic vibrations, creates new vulnerabilities to information leaks. The interaction of sound and light in optical fibers can be exploited to remotely record speech using only a segment of a standard telecommunication fiber. However, anti-resonant hollow-core fibers (HCF) guide light within a hollow core, minimising its interaction with the surrounding material. Due to this distinct guiding mechanism, HCF sensitivity to acoustic vibrations may differ from that of conventional solid-core fibers. In this contribution, we compare the acoustic sensitivity of a standard solid core fiber with that of anti-resonant hollow-core fibers of varying geometries and show dependence of acoustic vibration sensitivity on hollow-core fiber structure.

Related Organizations
Keywords

hollow-core fiber, sensor, Mach-Zehnder interferometer, acoustic sensitivity

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green