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Light scattering in fibrous media with different degrees of in-plane fiber alignment
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Centre for Image Analysis, Uppsala University and Swedish University of Agricultural Sciences.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-8355-2414
2014 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 22, no 14, p. 16829-16840Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
2014. Vol. 22, no 14, p. 16829-16840
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Applied Mechanics
Research subject
Industrial Electronics; Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-11199DOI: 10.1364/OE.22.016829ISI: 000340674700017Scopus ID: 2-s2.0-84904306888Local ID: a1c78736-b76c-41bb-bc0b-95eeadf04dfaOAI: oai:DiVA.org:ltu-11199DiVA, id: diva2:984148
Note
Validerad; 2014; 20140627 (tomlin)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Publisher's full textScopushttp://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-14-16829

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Linder, TomasLöfqvist, TorbjörnGren, Per

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