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Metal Coated Mirror

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
Enhanced Aluminum: Ravg>[email protected]
Protected Aluminum: Ravg>[email protected]
Protected Silver: Ravg>[email protected]
Protected Gold: Ravg>[email protected]





 

 

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