Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses

In this work, we present femtosecond laser cutting of microchannels in a nodeless antiresonant hollow-core fiber (ARHCF). Due to its ability to guide light in an air core combined with exceptional light-guiding properties, an ARHCF with a relatively non-complex structure has a high application poten...

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Autores principales:	Paweł Kozioł, Piotr Jaworski, Karol Krzempek, Viktoria Hoppe, Grzegorz Dudzik, Fei Yu, Dakun Wu, Meisong Liao, Jonathan Knight, Krzysztof Abramski
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	antiresonant hollow core fibers femtosecond laser micromachining microchannel fabrication microstructured fibers Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/852685e4b74945c9b9a2bc6cbc2c3a9c
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spelling	oai:doaj.org-article:852685e4b74945c9b9a2bc6cbc2c3a9c2021-11-25T18:57:42ZFabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses10.3390/s212275911424-8220https://doaj.org/article/852685e4b74945c9b9a2bc6cbc2c3a9c2021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/22/7591https://doaj.org/toc/1424-8220In this work, we present femtosecond laser cutting of microchannels in a nodeless antiresonant hollow-core fiber (ARHCF). Due to its ability to guide light in an air core combined with exceptional light-guiding properties, an ARHCF with a relatively non-complex structure has a high application potential for laser-based gas detection. To improve the gas flow into the fiber core, a series of 250 × 30 µm microchannels were reproducibly fabricated in the outer cladding of the ARHCF directly above the gap between the cladding capillaries using a femtosecond laser. The execution time of a single lateral cut for optimal process parameters was 7 min. It has been experimentally shown that the implementation of 25 microchannels introduces low transmission losses of 0.17 dB (<0.01 dB per single microchannel). The flexibility of the process in terms of the length of the performed microchannel was experimentally demonstrated, which confirms the usefulness of the proposed method. Furthermore, the performed experiments have indicated that the maximum bending radius for the ARHCF, with the processed 100 µm long microchannel that did not introduce its breaking, is 15 cm.Paweł KoziołPiotr JaworskiKarol KrzempekViktoria HoppeGrzegorz DudzikFei YuDakun WuMeisong LiaoJonathan KnightKrzysztof AbramskiMDPI AGarticleantiresonant hollow core fibersfemtosecond laser micromachiningmicrochannel fabricationmicrostructured fibersChemical technologyTP1-1185ENSensors, Vol 21, Iss 7591, p 7591 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	antiresonant hollow core fibers femtosecond laser micromachining microchannel fabrication microstructured fibers Chemical technology TP1-1185
spellingShingle	antiresonant hollow core fibers femtosecond laser micromachining microchannel fabrication microstructured fibers Chemical technology TP1-1185 Paweł Kozioł Piotr Jaworski Karol Krzempek Viktoria Hoppe Grzegorz Dudzik Fei Yu Dakun Wu Meisong Liao Jonathan Knight Krzysztof Abramski Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses
description	In this work, we present femtosecond laser cutting of microchannels in a nodeless antiresonant hollow-core fiber (ARHCF). Due to its ability to guide light in an air core combined with exceptional light-guiding properties, an ARHCF with a relatively non-complex structure has a high application potential for laser-based gas detection. To improve the gas flow into the fiber core, a series of 250 × 30 µm microchannels were reproducibly fabricated in the outer cladding of the ARHCF directly above the gap between the cladding capillaries using a femtosecond laser. The execution time of a single lateral cut for optimal process parameters was 7 min. It has been experimentally shown that the implementation of 25 microchannels introduces low transmission losses of 0.17 dB (<0.01 dB per single microchannel). The flexibility of the process in terms of the length of the performed microchannel was experimentally demonstrated, which confirms the usefulness of the proposed method. Furthermore, the performed experiments have indicated that the maximum bending radius for the ARHCF, with the processed 100 µm long microchannel that did not introduce its breaking, is 15 cm.
format	article
author	Paweł Kozioł Piotr Jaworski Karol Krzempek Viktoria Hoppe Grzegorz Dudzik Fei Yu Dakun Wu Meisong Liao Jonathan Knight Krzysztof Abramski
author_facet	Paweł Kozioł Piotr Jaworski Karol Krzempek Viktoria Hoppe Grzegorz Dudzik Fei Yu Dakun Wu Meisong Liao Jonathan Knight Krzysztof Abramski
author_sort	Paweł Kozioł
title	Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses
title_short	Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses
title_full	Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses
title_fullStr	Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses
title_full_unstemmed	Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses
title_sort	fabrication of microchannels in a nodeless antiresonant hollow-core fiber using femtosecond laser pulses
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/852685e4b74945c9b9a2bc6cbc2c3a9c
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Fabrication of Microchannels in a Nodeless Antiresonant Hollow-Core Fiber Using Femtosecond Laser Pulses

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