Facts About Birefringent Crystal Revealed
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 reduced segment of your Michel-Levy chart (x-axis) marks the orders of retardation in multiples of about 550 nanometers. The area in between zero and 550 nanometers is called the initial purchase of polarization shades, and the magenta