Metal
Mirror 
The actual reflecting surface of Metal Mirror is usually
a thin coating of silver, gold or aluminum on glass.
Specifications:
 Material: optical
glass
Clear Aperture:
>85%
Flatness: see
the table @ 632.8 nm
Surface Quality:
60-40
Dimension Tolerance:
±0.2mn
Bevel: 0.25 mm
x 45° |
 |
|
Dielectric
Mirrors
Specifications:
| Material: |
BK7 grade A optical glass, UVFS |
|
Flatness: |
l /10@632.8nm |
|
Diameter Tolerance: |
+0.0, -0.15mm |
|
Thickness tolerance : |
±0.2mm |
|
Clear Aperture: |
>85% |
|
Surface Quality: |
20-10 scratch and dig |
|
Parallelism: |
<30' |
|
Coat: |
R>99.8% on surface 1 R=R(Rs +Rp )/2 |
|
Bevel |
:0.25 mmx45° |
|
Other Optics