Precision optical flats are fused silica optical components that are used as a reference against which the flatness of an unknown surface can be determined. For less demanding jobs we offer them made from BK7 with a flatness specified as λ/4 or better.
Do you have special requirements or would like individual consultation? Please contact our engineers at:
Phone: +49 89 321412-43
Overview standard products:
|Diameter (mm)||Thickness (mm)|
Each standard products can be made from BK7 or fused silica and with single or dual surface.
|Size||25 mm to 200 mm||25 mm to 200 mm|
|Back surface (single)||1 to2 λ @ 633 nm||1 to 2 λ @ 633 nm|
|Surface quality||60/40 scratch/dig||60/40 scratch/dig|
|Parallelism||< 1 min||< 1 min|
|Diameter tolerance||± 1 mm||± 1 mm|
|Thickness tolerance||± 1.5 mm||± 1.5 mm|
|Surface||Single sided and double sided||Single sided and double sided|