Function of second cladding layer in hollow core tube lattice fibers

Abstract Modes attenuation of the tube lattice fiber (TLF) is characterized by D/λ, where D is the core diameter and λ is the wavelength. Hence, the TLF is structured with a large core to ensure a low attenuation loss. A small core, on the other hand, facilitates the gas-filled TLF applications, but...

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Autores principales:	Xiaosheng Huang, Seongwoo Yoo, KenTye Yong
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b828074f6425410ca39edf2afb6f35d1
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spelling	oai:doaj.org-article:b828074f6425410ca39edf2afb6f35d12021-12-02T16:06:29ZFunction of second cladding layer in hollow core tube lattice fibers10.1038/s41598-017-01839-52045-2322https://doaj.org/article/b828074f6425410ca39edf2afb6f35d12017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01839-5https://doaj.org/toc/2045-2322Abstract Modes attenuation of the tube lattice fiber (TLF) is characterized by D/λ, where D is the core diameter and λ is the wavelength. Hence, the TLF is structured with a large core to ensure a low attenuation loss. A small core, on the other hand, facilitates the gas-filled TLF applications, but at the expense of the increased mode attenuation. We show that adding a second cladding layer to the conventional one layer TLF (1TLF) can resolve the contradicting requirements. The mode attenuation of TLF with two cladding layers (2TLF) is less influenced by the D/λ value as compared to 1TLF, thus realizing a low loss small core TLF. Furthermore, we found that adding the second layer brings another advantage to a bending performance. With a determined core size, D, a 1TLF with smaller capillary hole size, d, experiences less bending loss. However, the reduced d increases the confinement loss that counteracts the bending loss improvement. This confliction is substantially alleviated in 2TLF thanks to the second cladding layer. Theoretical investigations and experimental demonstrations are presented to evidence the important role of the second cladding ring in the TLF, which has been overlooked in prior studies.Xiaosheng HuangSeongwoo YooKenTye YongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xiaosheng Huang Seongwoo Yoo KenTye Yong Function of second cladding layer in hollow core tube lattice fibers
description	Abstract Modes attenuation of the tube lattice fiber (TLF) is characterized by D/λ, where D is the core diameter and λ is the wavelength. Hence, the TLF is structured with a large core to ensure a low attenuation loss. A small core, on the other hand, facilitates the gas-filled TLF applications, but at the expense of the increased mode attenuation. We show that adding a second cladding layer to the conventional one layer TLF (1TLF) can resolve the contradicting requirements. The mode attenuation of TLF with two cladding layers (2TLF) is less influenced by the D/λ value as compared to 1TLF, thus realizing a low loss small core TLF. Furthermore, we found that adding the second layer brings another advantage to a bending performance. With a determined core size, D, a 1TLF with smaller capillary hole size, d, experiences less bending loss. However, the reduced d increases the confinement loss that counteracts the bending loss improvement. This confliction is substantially alleviated in 2TLF thanks to the second cladding layer. Theoretical investigations and experimental demonstrations are presented to evidence the important role of the second cladding ring in the TLF, which has been overlooked in prior studies.
format	article
author	Xiaosheng Huang Seongwoo Yoo KenTye Yong
author_facet	Xiaosheng Huang Seongwoo Yoo KenTye Yong
author_sort	Xiaosheng Huang
title	Function of second cladding layer in hollow core tube lattice fibers
title_short	Function of second cladding layer in hollow core tube lattice fibers
title_full	Function of second cladding layer in hollow core tube lattice fibers
title_fullStr	Function of second cladding layer in hollow core tube lattice fibers
title_full_unstemmed	Function of second cladding layer in hollow core tube lattice fibers
title_sort	function of second cladding layer in hollow core tube lattice fibers
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/b828074f6425410ca39edf2afb6f35d1
work_keys_str_mv	AT xiaoshenghuang functionofsecondcladdinglayerinhollowcoretubelatticefibers AT seongwooyoo functionofsecondcladdinglayerinhollowcoretubelatticefibers AT kentyeyong functionofsecondcladdinglayerinhollowcoretubelatticefibers
_version_	1718384985472237568

Function of second cladding layer in hollow core tube lattice fibers

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