germanium meniscus

Germanium meniscus

Custom Ge lens with a concave face and a convex face

Material : Germanium

Process : precision optics manufacturing and thin layer deposition

Dimensions:  D43mm,  thickness 6 mm

Shape : round meniscus

Aspect : both face polished, S&D 60/40

Optical treatment : AR treatment R<0.5% from 7.5 to 10 µm on both surfaces

Usage : IR camera lens

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