Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres

Abstract The damping properties and specifically the bend losses of polymer optical fibres (POFs) have so far only been documented by experimental work, investigating bending parameters such as bending radius, length, and distance of the bends. Even though damping mechanisms and causes are well-know...

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Autores principales:	Birgit Lustermann, B. Maike Quandt, Sebastian Ulrich, Fabrizio Spano, René M. Rossi, Luciano F. Boesel
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0c0102c1af854ee98450249b5378b2cb
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spelling	oai:doaj.org-article:0c0102c1af854ee98450249b5378b2cb2021-12-02T15:32:59ZExperimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres10.1038/s41598-020-68568-02045-2322https://doaj.org/article/0c0102c1af854ee98450249b5378b2cb2020-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-68568-0https://doaj.org/toc/2045-2322Abstract The damping properties and specifically the bend losses of polymer optical fibres (POFs) have so far only been documented by experimental work, investigating bending parameters such as bending radius, length, and distance of the bends. Even though damping mechanisms and causes are well-known, no simple, generally valid formula exists. Here, a simulation technique is shown that allows producing an optical model for any bending geometries of melt-spun polymer optical fibres. The developed model takes all relevant loss mechanisms into account, especially regarding the scattering losses at the interface of core and cladding as well as those of the cladding-air interface. The latter is caused by interfacial roughness for which experimental data have been obtained by atomic force microscopy measurements. To show the validity of the simulation, the model is compared to experimental results for several fibres and a variety of geometries. The variance between model and experimental data is low (S < 4.6%). The model not only contributes to improving the understanding of the optical properties of POFs, but it also has direct applicability to the design of photonic textile sensors for medicine, where the fibres are incorporated with small bending radii.Birgit LustermannB. Maike QuandtSebastian UlrichFabrizio SpanoRené M. RossiLuciano F. BoeselNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-12 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Birgit Lustermann B. Maike Quandt Sebastian Ulrich Fabrizio Spano René M. Rossi Luciano F. Boesel Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres
description	Abstract The damping properties and specifically the bend losses of polymer optical fibres (POFs) have so far only been documented by experimental work, investigating bending parameters such as bending radius, length, and distance of the bends. Even though damping mechanisms and causes are well-known, no simple, generally valid formula exists. Here, a simulation technique is shown that allows producing an optical model for any bending geometries of melt-spun polymer optical fibres. The developed model takes all relevant loss mechanisms into account, especially regarding the scattering losses at the interface of core and cladding as well as those of the cladding-air interface. The latter is caused by interfacial roughness for which experimental data have been obtained by atomic force microscopy measurements. To show the validity of the simulation, the model is compared to experimental results for several fibres and a variety of geometries. The variance between model and experimental data is low (S < 4.6%). The model not only contributes to improving the understanding of the optical properties of POFs, but it also has direct applicability to the design of photonic textile sensors for medicine, where the fibres are incorporated with small bending radii.
format	article
author	Birgit Lustermann B. Maike Quandt Sebastian Ulrich Fabrizio Spano René M. Rossi Luciano F. Boesel
author_facet	Birgit Lustermann B. Maike Quandt Sebastian Ulrich Fabrizio Spano René M. Rossi Luciano F. Boesel
author_sort	Birgit Lustermann
title	Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres
title_short	Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres
title_full	Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres
title_fullStr	Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres
title_full_unstemmed	Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres
title_sort	experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/0c0102c1af854ee98450249b5378b2cb
work_keys_str_mv	AT birgitlustermann experimentaldeterminationandraytracingsimulationofbendinglossesinmeltspunpolymeropticalfibres AT bmaikequandt experimentaldeterminationandraytracingsimulationofbendinglossesinmeltspunpolymeropticalfibres AT sebastianulrich experimentaldeterminationandraytracingsimulationofbendinglossesinmeltspunpolymeropticalfibres AT fabriziospano experimentaldeterminationandraytracingsimulationofbendinglossesinmeltspunpolymeropticalfibres AT renemrossi experimentaldeterminationandraytracingsimulationofbendinglossesinmeltspunpolymeropticalfibres AT lucianofboesel experimentaldeterminationandraytracingsimulationofbendinglossesinmeltspunpolymeropticalfibres
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Experimental determination and ray-tracing simulation of bending losses in melt-spun polymer optical fibres

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