Glass processing


The technical equipment of the processing area allows one to process glass and produce:


Flat blanks of rectangular configuration

Characteristic Value
Maximum size 770 × 770 × 70 mm


Characteristic Value
Diameter up to 400 mm
Thickness up to 70 mm

Prismatic blanks

Optical elements

Plane-parallel plates without requirements for flatness of operating surfaces

Characteristic Value
Maximum size 480 × 480 mm
Ratio h/d 1/200
Thickness difference 0.02–0.04 mm

Plane-parallel plates and wedges

Characteristic Value
N (overall error) 0.5 Newton rings
∆N (local error) 0.2 Newton rings
P (cleanliness class of polished optical surface) PIII (category 3)