Germanium Windows & Germanium Lenses
Germanium infrared optics are used in defense weapons, thermal imagers, infrared thermometers, night-vision devices, satellites, and similar equipment. Germanium windows/lenses cover 2-12um, and germanium is one of the most commonly used materials for lenses and windows in efficient infrared imaging systems. It has a high refractive index, approximately 4.0 in the 2-14pm band, minimum surface curvature, and low chromatic aberration; correction is usually unnecessary in low-power imaging systems.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Diameter | Φ3-300mm |
| Diameter Tolerance | ±0.01mm |
| Thickness | 1-50mm |
| Surface Finish | 60/40, 40/20 or According to Customer Requirements |
| Surface Figure | 1 lambda or According to Customer Requirements |
| Clear Aperture Dimension | ＞90% |
| Parallelism | ＜10arcsec |
| Chamfer | Protective <0.5mm*45° |
| Coating | Antireflection Coating; Reflective Coating; Metallic Coating |
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Datasheet
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Supplier Information
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