Flats/Windows
     
Size : Diameters from 5 mm to 350 mm; Thickness from 1 mm to 60 mm
Material : Best quality optical glass for highest quality optics; float glass where
low cost is the main consideration, windows in special materials such as fused quartz,ZnSe,BaF2,zerodur
Coatings : 1/4 wave MgF2@550nm;
Broad Band Anti Reflective
(R<0.5% from 425 to 675nm).
NB: Coatings given above are our routine coatings. We can also cater to any specialised coatings required for a given application..
Precision : Surface accuracy : upto 1/10 wave
Parallelism : 1 minute
Diameter tolerance : ± 0.02 mm
Thickness tolerance : ± 0.10 mm
Scratch/Dig : 60/40

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