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Calculation of refractive indices for complicated
crystals
Andriyevsky B., Kardash V., Romanyuk M.O.
L'viv Ivan Franko National University, 8 Kyryl and Mefodij
Str., 79005, Lviv, Ukraine
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The method of calculation of refractive indices for complicated crystals
in the frame of "oriented gas" model are proposed and made on the basis
of known magnitudes of anisotropic polarizability of chemical bonds between
atoms. Principal refractive indices and optical indicatrix orientations
of DGN crystal in para- and ferroelectric phases calculated in the frame
of "oriented gas" model and expe-rimentally observed have been found to
be close to one another.
Keywords: crystals, refractive indices
doi 10.3116/16091833/2/3/150/2001
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