LITTLE KNOWN FACTS ABOUT OPTICAL GERMANIUM LENSES.

Plano-convex Ge lenses are flat on one particular facet and convex on another. These lenses have a beneficial focal length, and are sometimes utilized for mild collimation.Ge is usually intriguing for its reduced optical dispersion and so pretty low chromatic dispersion in it’s transmission spectrum.Anything at all around a hundredºC isn't advis