Nonlinear Piezo-Optic Behavior of Sphalerite (-ZnS)
- 14 October 1966
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 150 (2) , 766-767
- https://doi.org/10.1103/physrev.150.766
Abstract
The variation of the refractive index of sphalerite with pressure to 7 kbar has been determined by an interferometric method. The refractive index decreases with increasing pressure, as was predicted earlier. Above 3 kbar the change in refractive index is found to be nonlinear with respect to both stress and strain, thus demonstrating that Pockels's linear elasto- and piezo-optic equations have to be extended.Keywords
This publication has 4 references indexed in Scilit:
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