5 Tips about Birefringent Crystal You Can Use Today
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 polarization dependence with the refractive index might have a number of consequences, many of which can be highly essential in nonlinear optics and laser technologies:For an arbitrary angle θ among propagation direction and optical a