Imaging polarimeter for testing single crystals and phase retardation plates

Yaroslav I. Shopa; M. I. Bodnar; D. I. Savitsky

doi:10.1117/12.388453

14 June 2000 Imaging polarimeter for testing single crystals and phase retardation plates

Yaroslav I. Shopa, M. I. Bodnar, D. I. Savitsky

Proceedings Volume 4148, Optoelectronic and Hybrid Optical/Digital Systems for Image and Signal Processing; (2000) https://doi.org/10.1117/12.388453
Event: International Workshop on Optoelectronic and Hybrid Optical/Digital Systems for Image/Signal Processing, 1999, Lviv, Ukraine

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.

Citation Download Citation

Yaroslav I. Shopa, M. I. Bodnar, and D. I. Savitsky "Imaging polarimeter for testing single crystals and phase retardation plates", Proc. SPIE 4148, Optoelectronic and Hybrid Optical/Digital Systems for Image and Signal Processing, (14 June 2000); https://doi.org/10.1117/12.388453

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