The Electrogyration Effect

Orest G. Vlokh and Rostyslav O. Vlokh

Almost 200 years have passed since Arago observed optical activity in crystals, and it’s been more than 30 years since researchers have induced a spatial dispersion effect with an electric field—a phenomenon now known as electrogyration.


figureOrest G. Vlokh (left) and Rostyslav O.Vlokh in the laboratory.

“…Under the action of an electric field upon a crystal, the changes in its elliptic birefringence occur, leading to the changes in optical activity of that crystal.”

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