Ge Mono Wafer Ge Window Germanium Windows Ge Lens
Description
Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8-12 um wavelength band. Its high refractive index makes Ge ideal for low power imaging systems because of minimum surface curvature. Chromatic aberration is small, often eliminating the need for correction.Germanium is most widely used for lenses and windows in IR systems operating in the 2 um - 12 um range. Its transmission is very temperature sensitive, becoming opaque near 100°C. Environment does not cause problems because Germanium is inert, mechanically rugged, and fairly hard.Germanium is a high index material that is used to manufacture Attenuated Total reflection (ATR) prisms for spectroscopy. Its refractive index is such that germanium makes an effective natural 50% beamsplitter without the need for coatings. It is also used extensively as a substrate for production of optical filters. Germanium covers the whole of the 8-14 micron thermal band and is used in lens systems for thermal imaging. It can be AR coated with diamond producing an extremely tough front optic. Application as window, lens, beamsplitter, ATR prism or filter in spectrometers and in thermal imaging.
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Ge Mono Wafer Ge Window Germanium Windows Ge Lens
Specifications |
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|---|---|
| Substrate Material: | Ge |
| Antireflection Coating: | Coated, Uncoated |
| Diameter: | 3-300 mm |
| Surface Quality: | 20-10 scratch-dig, 40-20 scratch-dig, 60-40 scratch-dig |
| Surface Flatness: | lambda/2, lambda/4, lambda/6, lambda/8, lambda/10 |
| Thickness: | 1-100 mm |
Features
ISO Certificated Factory,300 workers,25000m2 workshop.
Applications
IR system
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How to order?
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Ships from:
China
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Sold by:
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On FindLight:
since 2020
Frequently Asked Questions
The preferred wavelength band for the Germanium lens and window is 8-12 um.
Germanium is ideal for low power imaging systems because of its high refractive index and minimum surface curvature.
Yes, Germanium is most widely used for lenses and windows in IR systems operating in the 2 um - 12 um range.
Yes, Germanium is used extensively as a substrate for the production of optical filters.
Germanium is used in lens systems for thermal imaging and covers the whole 8-14 micron thermal band.