CO2-laser-based ablation of glass fibers for fiber-component manufacturing

Publikation: Beitrag in FachzeitschriftKonferenzaufsatz in FachzeitschriftForschungPeer-Review

Autoren

  • Eike Brockmüller
  • Lukas Kleihaus
  • Felix Wellmann
  • Roland Lachmayer
  • Jörg Neumann
  • Dietmar Kracht
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Details

OriginalspracheEnglisch
Seiten (von - bis)621-624
Seitenumfang4
FachzeitschriftProcedia CIRP
Jahrgang111
Frühes Online-Datum6 Sept. 2022
PublikationsstatusVeröffentlicht - 2022
Veranstaltung12th CIRP Conference on Photonic Technologies, LANE 2022 - Erlangen, Deutschland
Dauer: 4 Sept. 20228 Sept. 2022

Abstract

Fiber-based laser and amplifier systems provide highest beam quality in combination with high output power. Specialty fiber types like photonic crystal fibers, chirally-coupled-core fibers, and fibers with custom pump-cladding designs are optimized to achieve further power scaling beyond current limitations. However, such fiber designs can usually not integrated in an all-fiber design and thus do not reach their full potential because fiber-based components such as signal-pump combiners are not available. We present a precision CO2-laser based ablation process, which is used to machine the cladding of optical fibers in order to enable the manufacturing of efficient side-fused signal-pump combiners. We show the restructuring or entire removal of optical claddings and the structural evaluation by using scanning electron microscope imaging. The machining method allows for a symmetrical cladding modification and forms high quality surfaces which show low scattering loss of <0.02dB. This is confirmed by inserting up to 97.5W of optical power into the machined optical fibers and measuring the transmission loss.

ASJC Scopus Sachgebiete

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CO2-laser-based ablation of glass fibers for fiber-component manufacturing. / Brockmüller, Eike; Kleihaus, Lukas; Wellmann, Felix et al.
in: Procedia CIRP, Jahrgang 111, 2022, S. 621-624.

Publikation: Beitrag in FachzeitschriftKonferenzaufsatz in FachzeitschriftForschungPeer-Review

Brockmüller, E, Kleihaus, L, Wellmann, F, Lachmayer, R, Neumann, J & Kracht, D 2022, 'CO2-laser-based ablation of glass fibers for fiber-component manufacturing', Procedia CIRP, Jg. 111, S. 621-624. https://doi.org/10.1016/j.procir.2022.08.164
Brockmüller, E., Kleihaus, L., Wellmann, F., Lachmayer, R., Neumann, J., & Kracht, D. (2022). CO2-laser-based ablation of glass fibers for fiber-component manufacturing. Procedia CIRP, 111, 621-624. https://doi.org/10.1016/j.procir.2022.08.164
Brockmüller E, Kleihaus L, Wellmann F, Lachmayer R, Neumann J, Kracht D. CO2-laser-based ablation of glass fibers for fiber-component manufacturing. Procedia CIRP. 2022;111:621-624. Epub 2022 Sep 6. doi: 10.1016/j.procir.2022.08.164
Brockmüller, Eike ; Kleihaus, Lukas ; Wellmann, Felix et al. / CO2-laser-based ablation of glass fibers for fiber-component manufacturing. in: Procedia CIRP. 2022 ; Jahrgang 111. S. 621-624.
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T1 - CO2-laser-based ablation of glass fibers for fiber-component manufacturing

AU - Brockmüller, Eike

AU - Kleihaus, Lukas

AU - Wellmann, Felix

AU - Lachmayer, Roland

AU - Neumann, Jörg

AU - Kracht, Dietmar

N1 - Funding Information: This research was partially funded by the Max-Planck-Institute for Gravitational Physics (Hanover, Germany). This work was partially funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy - EXC 2123 QuantumFrontiers 390837967.

PY - 2022

Y1 - 2022

N2 - Fiber-based laser and amplifier systems provide highest beam quality in combination with high output power. Specialty fiber types like photonic crystal fibers, chirally-coupled-core fibers, and fibers with custom pump-cladding designs are optimized to achieve further power scaling beyond current limitations. However, such fiber designs can usually not integrated in an all-fiber design and thus do not reach their full potential because fiber-based components such as signal-pump combiners are not available. We present a precision CO2-laser based ablation process, which is used to machine the cladding of optical fibers in order to enable the manufacturing of efficient side-fused signal-pump combiners. We show the restructuring or entire removal of optical claddings and the structural evaluation by using scanning electron microscope imaging. The machining method allows for a symmetrical cladding modification and forms high quality surfaces which show low scattering loss of <0.02dB. This is confirmed by inserting up to 97.5W of optical power into the machined optical fibers and measuring the transmission loss.

AB - Fiber-based laser and amplifier systems provide highest beam quality in combination with high output power. Specialty fiber types like photonic crystal fibers, chirally-coupled-core fibers, and fibers with custom pump-cladding designs are optimized to achieve further power scaling beyond current limitations. However, such fiber designs can usually not integrated in an all-fiber design and thus do not reach their full potential because fiber-based components such as signal-pump combiners are not available. We present a precision CO2-laser based ablation process, which is used to machine the cladding of optical fibers in order to enable the manufacturing of efficient side-fused signal-pump combiners. We show the restructuring or entire removal of optical claddings and the structural evaluation by using scanning electron microscope imaging. The machining method allows for a symmetrical cladding modification and forms high quality surfaces which show low scattering loss of <0.02dB. This is confirmed by inserting up to 97.5W of optical power into the machined optical fibers and measuring the transmission loss.

KW - CO-laser-based glass-ablation

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KW - specialty fibers

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