Germanium (Ge) windows are high-precision optical components made of single-crystal germanium, renowned for their exceptional infrared transmission performance. As a key material in infrared optics, germanium blocks UV and visible light while transmitting infrared wavelengths from 2μm to 14μm (some variants extend to 16μm/23μm).

Description

Specifications	According to customer's specific requirements
Material	Hot-pressed Polycrystalline ZnS; CVD Multispectral ZnS (optional)
Diameter Tolerance	+0.0/-0.1mm
Central Thickness Tolerance	±0.1mm
PV	λ/4
Parallelism	<1'
Surface Quality	60/40, 40/20
Coating	AR coating, DLC

Germanium Windows

Description

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