What are Germanium Wafers Used For?

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Germanium Wafer Uses

Our research clients use Ge Substrates for many purposes. Clients have used our 50.8mm Undoped Germanium wafers that are Double Side Polished as a dichroic mirror for Visible and Infrared light.

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Germanium wafers for dichroic mirrors


Dichroic mirrors and beam splitters are optical thin-film products that reflect, transmit, separate, or combine specific wavelengths (colors) and polarization components. Germanium substrates are often used for this purpose.

dichroic mirrors and beam splitters are used in:

  • digital cameras
  • mobile phones
  • projectors
  • other devices.