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Germanium Domes

Product Details

Germanium domes product

Germanium domes is a special type of windows which is ideal for IR applications(especially for defense and aerospace application) with its broad transmission range and opacity in the visible portion of the spectrum. Germanium domes is commonly used in IR thermal imaging cameras typically operating in the 2 µm to 14 µm spectral range, covers the LWIR (8-12μm) and MWIR (3-5μm) thermal imaging wavelength range. Germanium windows can be AR coated with Diamond (DLC coating or Hard carbon coating) producing an extremely tough front optic.


Materials Optical grade germanium single crystals Diameter Range 300mm
Thickness Tolerance ±0.2mm (Optional: Surface Quality 60/40 S/D
±0.1mm or ±0.05mm)
Frings (N) customized Irregularity (delta N) customized
Chamfer 0.1~0.3mmx45degree Coating(optional) AR/AR@7-14μm
See the curves below

We can manufacture lenses in any optical material required. Please contact us with your specific requirements.

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  • D09-320-321, SISP, Shenben Str., Hunnan Dist., Shenyang 110179, China
  • +86-199 0981 7122
  • +86-199 0981 7122
  • yibeiteoptics@gmail.com
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