Ukrainian Journal of Physical Optics 

Number  1, Volume  2, March  2001

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Refractive indexes and piezooptical effect in the Ca2Pb(C2H5CO2)6 crystals  
1,2Vlokh R.O., 2Gotra Z.Yu., 1Andrushchak A.S., 1Mys O.G., 1Kaidan M.V.

1 Institute of Physical Optics, 23 Dragomanov Str., Lviv, 79005, Ukraine
2 National University “Lviv Politechnik”, 12 S.Bandera Str., Lviv, 79013, Ukraine

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The Ca2Pb(C2H5CO2)6 organic crystals of good optical quality were obtained by a slow evaporation method. The temperature dependencies of refractive indexes and piezooptical coefficients were investigated at the region of ferroelectrical phase transition. The coefficients of the quadratic electrooptical as well as piezo-electrooptical effect induced by spontaneous polarization were calculated. The obtained results are discussed on the base of the optical indicatrix equation.

Key words: ferroelectrics, organic crystals, piezoelectrooptical effect, Ca2Pb(C2H5CO2)6 crystals

doi 10.3116/16091833/2/1/36/2001

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