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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 14 — Jul. 14, 2014
  • pp: 16829–16840

Light scattering in fibrous media with different degrees of in-plane fiber alignment

Tomas Linder, Torbjörn Löfqvist, Erik L. G. Wernersson, and Per Gren  »View Author Affiliations

Optics Express, Vol. 22, Issue 14, pp. 16829-16840 (2014)

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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.

© 2014 Optical Society of America

OCIS Codes
(290.4210) Scattering : Multiple scattering
(290.7050) Scattering : Turbid media
(010.5620) Atmospheric and oceanic optics : Radiative transfer

ToC Category:

Original Manuscript: May 30, 2014
Revised Manuscript: June 17, 2014
Manuscript Accepted: June 19, 2014
Published: July 1, 2014

Virtual Issues
Vol. 9, Iss. 9 Virtual Journal for Biomedical Optics

Tomas Linder, Torbjörn Löfqvist, Erik L. G. Wernersson, and Per Gren, "Light scattering in fibrous media with different degrees of in-plane fiber alignment," Opt. Express 22, 16829-16840 (2014)

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