DELN offers a range of metal reflective coating options, including Protected Aluminum, Enhanced Aluminum, Protected Silver, Protected Gold, The substrates can be Plano or Spherical or Cylindrical, etc.
Specifications
|
Material |
BK7, Fused Silica, Borofloat,B270, Borosilicate(Pyrex) or other |
|
Dimension Tolerance |
+0.0/-0.1mm |
|
Thickness Tolerance |
±0.2mm |
|
Clear Aperture |
>90% |
|
Flatness |
λ/[email protected] per 25mm range or better |
|
Surface Quality |
60/40 scratch and dig |
|
Coating |
Metal coating on one surface, rear surface ground or inspection polished |
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