Optic axis
= Optic axis
The symmetry direction of a <uniaxial optical medium>. For a <wavevector> along it, the two <refractive indices> coincide: there is no <birefringence> for that propagation direction, even though $n_e\ne n_o$.
= Optic axis
The symmetry direction of a <uniaxial optical medium>. For a <wavevector> along it, the two <refractive indices> coincide: there is no <birefringence> for that propagation direction, even though $n_e\ne n_o$.