coating optical lens
Coating is used to physical or chemical methods in the material surface plating on a transparent layer of electrolyte membrane, or coated with a layer of metal film, the purpose is to change material surface reflection and transmission characteristics.
Technical parameters:
1
|
Material
|
BK7, B270, Fused Silica
|
2
|
Dimension
|
1-350mm
|
3:
|
Dimension Tolerance
|
+0.000/ -0.1mm
|
4
|
Thickness Tolerance
|
±0.05mm
|
5
|
Surface Flatness
|
λ/10 at 632.8 nm
|
6
|
Surface Quality
|
20/10 scratch and dig
|
7
|
Clear Aperture:
|
>90%
|
8
|
Bevel
|
0.2 mm to 0.5 mm x 45deg
|
9
|
Coating
|
AR HR BBAR customer requirement
|