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Light scattering in fibrous media with different degrees of in-plane fiber alignment
Luleå tekniska universitet, Institutionen för system- och rymdteknik, EISLAB.
Luleå tekniska universitet, Institutionen för system- och rymdteknik, EISLAB.
Centre for Image Analysis, Uppsala University and Swedish University of Agricultural Sciences.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.ORCID-id: 0000-0001-8355-2414
2014 (engelsk)Inngår i: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 22, nr 14, s. 16829-16840Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Fiber orientation is an important structural property in paper and other fibrous materials. In this study we explore the relation between light scattering and in-plane fiber orientation in paper sheets. Light diffusion from a focused light source is simulated using a Monte Carlo technique where parameters describing the paper micro-structure were determined from 3D x-ray computed tomography images. Measurements and simulations on both spatially resolved reflectance and transmittance light scattering patterns show an elliptical shape where the main axis is aligned towards the fiber orientation. Good qualitative agreement was found at low intensities and the results indicate that fiber orientation in thin fiber-based materials can be determined using spatially resolved reflectance or transmittance.

sted, utgiver, år, opplag, sider
2014. Vol. 22, nr 14, s. 16829-16840
HSV kategori
Forskningsprogram
Industriell elektronik; Experimentell mekanik
Identifikatorer
URN: urn:nbn:se:ltu:diva-11199DOI: 10.1364/OE.22.016829ISI: 000340674700017Scopus ID: 2-s2.0-84904306888Lokal ID: a1c78736-b76c-41bb-bc0b-95eeadf04dfaOAI: oai:DiVA.org:ltu-11199DiVA, id: diva2:984148
Merknad
Validerad; 2014; 20140627 (tomlin)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Forlagets fulltekstScopushttp://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-14-16829

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Linder, TomasLöfqvist, TorbjörnGren, Per

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