Kugler manufactured interferometers from 1983 to 2002. We still know how to use them! Surface figure, roughness, angularity – accuracy is in the Nanometers range.
Flat mirrors, spherical surfaces, parabolic optics – surface figure measurement with an accuracy of 30 nm...read more
Non-contact interferometric roughness measurement in the sub-Angstrom range...read more
1 arc sec or better - traceable to standards, certified: Precision measurement with interferometers and rotary stages...read more