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/4@632.8nm per 25mm range or better
Surface Quality
60/40 scratch and dig
Coating
Metal coating on one surface, rear surface ground or inspection polished
Enhanced Aluminum: Ravg>90%@400-700nm
Protected Aluminum: Ravg>87%@400-1200nm
Protected Silver: Ravg>95%@400-12000nm
Protected Gold: Ravg>98%@2000-12000nm
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sales@delnoptic.com
