5 EASY FACTS ABOUT BIREFRINGENT CRYSTAL DESCRIBED

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 area with the Michel-Levy chart (x-axis) marks the orders of retardation in multiples of somewhere around 550 nanometers. The region amongst zero and 550 nanometers is known as the very first get of polarization shades, and also