Twin lap and single lap processes for all Optical Glass types and IR materials including Chalcogenide, ZnS, ZnSe, Ge and Si.
Part diameters 5mm-200mm with average flatness of 1/2 fringe.
Part diameters 200mm-450mm with average flatness of 1 fringe.
Flatness of 1/20 fringe can be achieved.
POTL have 5 Double sided polishing machines, single lap polishing and a prism manufacturing suite.