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Gas filling and evacuation of hollow-core optical fibres through laser-machined side channels

Gas filling and evacuation of hollow-core optical fibres through laser-machined side channels
Gas filling and evacuation of hollow-core optical fibres through laser-machined side channels

Modifying the gas content inside hollow-core optical fibres can be used for reducing loss, optical nonlinearity, and phase noise, for modifying chromatic dispersion, or for gas sensing. However, filling or evacuating long lengths of fibres through the fibre ends is extremely slow. Here we report on our work on fluid-dynamics modelling of gas flow through laser machined holes in the fibre jacket to determine optimum hole sizes and hole spacings for fast filling and/or evacuation of hollowcore optical fibres.

Hollow-core fibres, fluid dynamics simulations, gas filling, sensing
IEEE
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
Srinivasan, Kavitha
03d944fc-cdc1-4077-930b-dabcf655155e
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Wheeler, Natalie
0fd34178-a77b-4c71-a3a6-86a1f634f1a0
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
Srinivasan, Kavitha
03d944fc-cdc1-4077-930b-dabcf655155e
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Beresna, Martynas
a6dc062e-93c6-46a5-aeb3-8de332cdec7b
Slavík, Radan
2591726a-ecc0-4d1a-8e1d-4d0fd8da8f7d
Wheeler, Natalie
0fd34178-a77b-4c71-a3a6-86a1f634f1a0

Horak, Peter, Srinivasan, Kavitha, Lee, Timothy, Beresna, Martynas, Slavík, Radan and Wheeler, Natalie (2025) Gas filling and evacuation of hollow-core optical fibres through laser-machined side channels. In ICTON 2025 Conference Proceedings. IEEE. 3 pp . (doi:10.1109/ICTON67126.2025.11125464).

Record type: Conference or Workshop Item (Paper)

Abstract

Modifying the gas content inside hollow-core optical fibres can be used for reducing loss, optical nonlinearity, and phase noise, for modifying chromatic dispersion, or for gas sensing. However, filling or evacuating long lengths of fibres through the fibre ends is extremely slow. Here we report on our work on fluid-dynamics modelling of gas flow through laser machined holes in the fibre jacket to determine optimum hole sizes and hole spacings for fast filling and/or evacuation of hollowcore optical fibres.

Text
ICTON2025_HCF_filling_Horak_2025134088 - Accepted Manuscript
Available under License Creative Commons Attribution.
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More information

Submitted date: 3 February 2025
Accepted/In Press date: 2 May 2025
Published date: 25 August 2025
Venue - Dates: International Conference on Transparent Optical Networks (ICTON) 2025, , Barcelona, Spain, 2025-07-06 - 2025-07-10
Keywords: Hollow-core fibres, fluid dynamics simulations, gas filling, sensing

Identifiers

Local EPrints ID: 501965
URI: http://eprints.soton.ac.uk/id/eprint/501965
DOI: doi:10.1109/ICTON67126.2025.11125464
PURE UUID: 321192e4-745d-4262-b372-7b57103ca2bc
ORCID for Peter Horak: ORCID iD orcid.org/0000-0002-8710-8764
ORCID for Timothy Lee: ORCID iD orcid.org/0000-0001-9665-5578
ORCID for Radan Slavík: ORCID iD orcid.org/0000-0002-9336-4262
ORCID for Natalie Wheeler: ORCID iD orcid.org/0000-0002-1265-9510

Catalogue record

Date deposited: 12 Jun 2025 17:08
Last modified: 12 Nov 2025 05:01

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Contributors

Author: Peter Horak ORCID iD
Author: Kavitha Srinivasan
Author: Timothy Lee ORCID iD
Author: Martynas Beresna
Author: Radan Slavík ORCID iD
Author: Natalie Wheeler ORCID iD

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