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Proceedings Paper

Imaging polarimeter for testing single crystals and phase retardation plates
Author(s): Yaroslav I. Shopa; M. I. Bodnar; D. I. Savitsky
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Paper Abstract

Spatial inhomogeneity of the phase different in the birefringent plates of YAlO3 and LiNbO3 crystals with the dimensions ranging from 7 X 8 to 20 X 20 mm2 are measured. A considerable eigenwave ellipticity k approximately 0.001 is revealed in the samples doped with neodymium, which can be explained by lowering symmetry of those crystals. The studies for the spatial optical inhomogeneities are performed with the imaging polarimeter which utilizes computer registration and processing of images. The apparatus have been used for the measurement of spatial distribution of the optical anisotropy parameters characterizing several single crystals. The results obtained agree well with the data derived from the automated polarimeter which works according to a single-ray scheme and utilizes usual single-element photodetector.

Paper Details

Date Published: 14 June 2000
PDF: 5 pages
Proc. SPIE 4148, Optoelectronic and Hybrid Optical/Digital Systems for Image and Signal Processing, (14 June 2000); doi: 10.1117/12.388453
Show Author Affiliations
Yaroslav I. Shopa, Lviv Ivan Franko State Univ. (Ukraine)
M. I. Bodnar, Lviv Ivan Franko State Univ. (Ukraine)
D. I. Savitsky, Scientific and Industrial Co. Carat (Ukraine)

Published in SPIE Proceedings Vol. 4148:
Optoelectronic and Hybrid Optical/Digital Systems for Image and Signal Processing
Simon B. Gurevich; Zinovii T. Nazarchuk; Leonid I. Muravsky, Editor(s)

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