FASCINATION ABOUT MAGNETO-OPTICAL CRYSTAL

各向异性透明晶体如方解石、石英等的折射率，是其固有的特性，称为永久双折射。If the electric discipline has the route of the optical axis, 1 obtains the incredible index ne. This can be done provided that the propagation way (much more exactly, the course with the k vector) is perpendicular on the optical axis. For