Both monocrystal and polycrystal Germanium (Ge) are available. Germanium windows, Germanium lenses and Germanium prisms can be made according to your specifications, with the diameter up to 300mm for monocrystal and 380mm for polycrystal.
Both monocrystal and polycrystal Germanium (Ge) are available. Germanium windows, Germanium lenses and Germanium prisms can be made according to your specifications, with the diameter up to 300mm for monocrystal and 380mm for polycrystal.
Material Specifications
Purity : ﹥99.9999%
Crystal Structure : Monocrystalline & Polycrystalline
Conductive Type : N-
Orientation : <111>
Typical Resistivity :5-
Product Specifications
Diameter : 5-
Flatness : 20μm
Perpendicularity : ﹤5'
Bevel : 0.2 ~ 1mm
Edge.Chips : ≤0.5mm
ETV: ≤0.05mm
+1-
Coating :
a) AR coating at 10.6 , T≥99%
b) BBAR coating for 8~12 , R<1%
c) DLC coating for 8~12 , Tave≥92%
Tolerance :
Diameter: +/-
Length & Width: +/-
Thickness:+/-
Surface Quality :
Plano blanks: as cut
Generated lenses: D25 ~ D76
Polished windows: to customer