optical germanium lens Fundamentals Explained
optical germanium lens Fundamentals Explained
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Our germanium lenses have a substantial refractive index—the highest refractive index among the available IR transmitters. In addition it exhibits minimal chromatic aberration as a consequence of very low dispersion.
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Thickness of Germanium window required to resist strain differential at opposite sides may be calculated by the following equation:
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Shanghai Optics manufactures high quality germanium lenses in a read more range of preferred sizes, from 5m m to 350 mm in diameter.
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Specialised measurement and inspection: Employing specialized measurement applications and inspection devices, we be certain that the surface roughness, curvature, and various important parameters meet demanding tolerances and top quality standards.
Aspherical germanium lenses : built and used for enhanced optical properties and for programs that need bodyweight conserving. Germanium might be diamond became high surface top quality aspheres.
At Shanghai Optics we manufacture numerous types of germanium lenses with several anti reflection coatings. Spherical plano-concave, p-convex, concave-convex and aspheric lenses are all offered in a wide variety of measurements. We can also be able to support special orders in case you need a sizing, shape or AR coating.
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Being aware of the difference between the several lens forms can help select which a single to use when so that you can get most troubleshooting data.
Optical Home windows : main usage of germanium with very good transmission inside the IR and no transmission while in the seen. Generally, germanium Home windows are strengthened with DLC coating on a person encounter.