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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 20 — Jul. 10, 2007
  • pp: 4266–4276

Prediction of the thermal radiative properties of an x-ray μ-tomographied porous silica glass

Benoit Rousseau, Domingos de Sousa Meneses, Patrick Echegut, Marco Di Michiel, and Jean-François Thovert  »View Author Affiliations


Applied Optics, Vol. 46, Issue 20, pp. 4266-4276 (2007)
http://dx.doi.org/10.1364/AO.46.004266


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Abstract

A Monte Carlo ray tracing procedure is proposed to simulate thermal optical processes in heterogeneous materials. It operates within a detailed 3D image of the material, and it can therefore be used to investigate the relationship between the microstructure, the constituent optical properties, and the macroscopic radiative behavior. The program is applied to porous silica glass. A sample was first characterized by 3D x-ray tomography; then, its normal spectral emittance was calculated and compared with the experimental spectrum measured independently by high-temperature infrared emittance spectroscopy. We conclude with a discussion of the light-scattering mechanisms occurring in the sample.

© 2007 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(300.6340) Spectroscopy : Spectroscopy, infrared
(350.5610) Other areas of optics : Radiation

ToC Category:
Spectroscopy

History
Original Manuscript: September 20, 2006
Revised Manuscript: January 2, 2007
Manuscript Accepted: March 22, 2007
Published: June 20, 2007

Citation
Benoit Rousseau, Domingos de Sousa Meneses, Patrick Echegut, Marco Di Michiel, and Jean-François Thovert, "Prediction of the thermal radiative properties of an x-ray μ-tomographied porous silica glass," Appl. Opt. 46, 4266-4276 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-20-4266

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