Concave mirror with hole

Plano-concave reflector with central hole

Part details

Material :

Substrate in H-K9L optical glass

Manufacturing process :

Precision cutting, polishing, drilling and coating.

Dimensions:

Diameter 3 inches (76.2mm), thickness 13mm, hole inner diameter 6.5mm, outer diameter 10.44 mm

Shape :

Plano-concave disc with central hole, EFL 203.2mm  +/- 2%

Surface quality :

S&D : 60-40

Flatness : better than lambda / 4

Optical treatment :

Enhanced aluminium

CA higher than 95%

Ravg : better than 93% @200 – 5000 nm

Usage :

Environment control sensing device.