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Proceedings Paper

Birefringence and grain-size effects on optical transmittance of polycrystalline magnesium fluoride
Author(s): Tzu-Chien Wen; Dinesh K. Shetty
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Paper Abstract

Grain boundaries scatter light in polycrystalline materials consisting of birefringent crystals. Apetz and van Bruggen developed a model for grain-boundary scattering based on Rayleigh-Gans-Debye light-scattering theory and demonstrated its application to polycrystalline alumina. This paper reports the measurements of in-line transmittance in polycrystalline magnesium fluoride with different grain sizes and compares the results with the grain-boundary scattering model. Good agreement was obtained between the model predictions and the measured data for grain sizes varying between 0.2 and 2.3 μm for light in the wavelength range, 0.633-5.5 μm.

Paper Details

Date Published: 28 April 2009
PDF: 6 pages
Proc. SPIE 7302, Window and Dome Technologies and Materials XI, 73020Z (28 April 2009); doi: 10.1117/12.818933
Show Author Affiliations
Tzu-Chien Wen, The Univ. of Utah (United States)
Dinesh K. Shetty, The Univ. of Utah (United States)


Published in SPIE Proceedings Vol. 7302:
Window and Dome Technologies and Materials XI
Randal W. Tustison, Editor(s)

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