Details, Fiction and 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。The lower part of the Michel-Levy chart (x-axis) marks the orders of retardation in multiples of approximately 550 nanometers. The world involving zero and 550 nanometers is recognized as the very first order of polarization colours, and a