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Light scattering in fibrous media with different degrees of in-plane fiber alignment
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Division of Visual Information and Interaction. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis and Human-Computer Interaction.
2014 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 22, no 14, 16829-16840 p.Article 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, 16829-16840 p.
National Category
Computer Vision and Robotics (Autonomous Systems)
Identifiers
URN: urn:nbn:se:uu:diva-232073DOI: 10.1364/OE.22.016829ISI: 000340674700017OAI: oai:DiVA.org:uu-232073DiVA: diva2:746598
Available from: 2014-07-01 Created: 2014-09-12 Last updated: 2017-12-05Bibliographically approved

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Wernersson, Erik L. G.

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