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Our germanium lenses Use a substantial refractive index—the best refractive index amid available IR transmitters. In addition, it reveals negligible chromatic aberration because of small dispersion.
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Our thoroughly built-in recycling small business accepts your scrap germanium and gallium waste streams. This not merely relieves you in the duty, but also produces an added income stream the place none may well Beforehand have existed.
Wafers : like a semi conductor product, like Silicon, it is actually commonly employed as a skinny substrate for electronic ingredient.
Equally monocrystalline and polycrystalline Ge could possibly be utilized for production of optical elements. We produce Germanium lenses and Home windows for infrared thermal imaging applications and pyrometry (see our webpage Germanium Home windows and lenses for thermography).
Grinding and sprucing: The Preliminary shaping of your germanium substrate employing precision grinding and polishing is important for any sleek and uniform surface. A number of measures are adopted, each with ever more finer abrasives, until we attain the specified surface area complete.
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Curiously, because of its identical crystal framework to Diamond may be coated having a DLC layer (Diamond Like Carbon) which on top of reducing the reflection on it’s floor, adds a diamond robust protective layer. Finally Germanium is just not transparent while in the obvious which can be handy to concentrate on IR gentle.
It's got excellent transmission while in the 8 to 14 µm vary covering the thermal Infrared gentle, as a result it really is a cloth of option for thermal and night vision. Additionally, it demonstrates a higher refractive index which empower higher open up aperture angle optical element’s layout.
Germanium and germanium oxide have a very significant refractive index, meaning that for some window apps anti-reflective coating is necessary.
They could be Employed in beam expanders, and can be utilized to stability out aberrations which ended up introduced by other lenses in an optical arrangement.
Next, the crystal is processed into the specified form using precision slicing, grinding, and machining strategies to obtain the get more info exact flatness or curvature essential.