Germanium Plane Optics

Material: VGF, C2 monocrystalline Germanium

VGF grown
n-type doping: Sb,As or P
Resistivity: 2-30 ohmcm
EPD:
- less then 2000/cm2, typically 1500/cm2 for 1-4inch diameter
- less then 5000/cm2, typically 3000/cm2 for 150mm diameter

Form plates, Windows & Mirrors

Diameter: 1 to 150mm
Dimension for square parts up to 106 x 106mm
Shaping by CNC according to customers spec.
Thickness up to 80mm
Wedge: according to customers spec.
Wedge tolerance: +/-5 arcmin

Prisms / Beam splitters

Forms: right angle dove prisms, penta prisms and others
Dimension up to 100mm

Dimensional tolerance: depending on size
Free aperture: 90%
Thickness tolerance: +/- 0,1mm
Flatness: lambda/10 per inch at 633 nm
Parallelism or angular deviation: <3arcmin
Surface quality: down to MIL 10-5 scr/dig
Bevels: on request
Coating: on request, metallic and dielectric coatings possible

We are able to produce on request flat optical components to tighter specifications.