THE SMART TRICK OF BIREFRINGENT CRYSTAL THAT NOBODY IS DISCUSSING

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 lessen segment of the Michel-Levy chart (x-axis) marks the orders of retardation in multiples of approximately 550 nanometers. The area in between zero and 550 nanometers is referred to as the first get of polarization hues, along with