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Updated: Aug 17, 2026

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
Published on: January 26, 2016
Determination of optical birefringence by using off-axis transmission ellipsometry
Gerald E Jellison1, Christopher M Rouleau
1Oak Ridge National Laboratory, Condensed Matter Sciences Division, Building 3025, MS 6030, P.O. Box 2008, Oak Ridge, Tennessee 37831-6030, USA. jellisongejr@ornl.gov
Abstract:
Utilizing transmission ellipsometry at small angles of incidence, it is shown that c-cut uniaxial samples can be used to determine both the miscut of the optic axis with respect to the plane of incidence as well as very accurate values of the spectroscopic birefringence. For example, wafers of ZnO, LiNbO3, and 6H-SiC single-crystals are examined and the miscut direction and the spectroscopic birefringence are determined. While all materials show strong dispersion in birefringence, ZnO exhibits a distinct isotropic point at 396.8 nm.
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