Ukrainian Journal of Physical Optics 

Number  1, Volume  1, 2000
Other articles in this issue
Piezooptical constants of Rochelle salt crystals
Stadnyk V.Yo., Romanyuk M.O., Kurlyak V.Yu., Vachulovych V.F.

Ivan Franko L'viv National University, 8 Kyryl and Mefodiy Str., L'viv, 79005, Ukraine

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The influence of uniaxial mechanical pressure applied along the principal axes and the corresponding bisectors on the birefringent properties of Rochelle salt (RS) crystals are studied. The temperature (77-300 K) and spectral (300-700 nm) dependencies of the effective and absolute piezooptical constants of the RS crystals are calculated. The intercept of dispersion curves of  is revealed in the region of the birefringence sign inversion. This testifies that the anizotropy of the piezooptical constant tensor decreases there. The temperature dependencies of absolute piezooptical constants do not manifest notable anomalies in the region of phase transitions of the Rochelle salt

Key words: uniaxial mechanical pressure, birefringence, combined and absolute piezooptical constants

doi: 10.3116/16091833/1/1/19/2000
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