Interferometric Method to Determine the Birefringence for an Anisotropic Material
(2003). Interferometric Method to Determine the Birefringence for an Anisotropic Material. EKB Journal Management System, 26(2), 231-239. doi: 10.21608/ejs.2003.150161
. "Interferometric Method to Determine the Birefringence for an Anisotropic Material". EKB Journal Management System, 26, 2, 2003, 231-239. doi: 10.21608/ejs.2003.150161
(2003). 'Interferometric Method to Determine the Birefringence for an Anisotropic Material', EKB Journal Management System, 26(2), pp. 231-239. doi: 10.21608/ejs.2003.150161
Interferometric Method to Determine the Birefringence for an Anisotropic Material. EKB Journal Management System, 2003; 26(2): 231-239. doi: 10.21608/ejs.2003.150161

Interferometric Method to Determine the Birefringence for an Anisotropic Material

Egyptian Journal of Solids
Article 11, Volume 26, Issue 2, 2003, Pages 231-239    PDF (195.9 K)
DOI: 10.21608/ejs.2003.150161
Abstract
A simple interferometric technique was used for measuring the absolute
birefringence of an anisotropic material. The sample has constant thickness. It
was placed between crossed polarizers and illuminated with a parallel beam of
monochromatic light. The resulting interferograms were analyzed to deduce the
birefringence and its dispersion across the visible spectrum. A Cauchy formula
was applied to fit the experimental data. The same technique was used for a
variable thickness with constant rate (a wedge form) of the same sample.
Interference fringes was formed in the photographic plate. The value of the
birefrengence was also measured.
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