= Pockels effect
{wiki=Pockels_effect}
The Pockels effect, also known as the linear electro-optic effect, refers to the change in the refractive index of certain materials in response to an applied electric field. This phenomenon occurs in non-centrosymmetric materials, meaning that these materials lack a center of symmetry in their crystal structure. When an electric field is applied to such materials, their dielectric polarization changes, which in turn affects their refractive index.
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