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glossary

IR materials

IR-materials are needed in the production of optical components (lenses, windows, prisms etc.) used in the infrared spectral range. All these materials are transparent for infrared radiation. Apart from that, this group of materials is characterized by a great variety: ionic mono-crystals (such as sodium chloride), semiconductors in a monocrystalline or polycrystalline form (such as germanium or silicon), polycrystalline II-VI-compounds (such as zinc sulfide or zinc selenide) or chalcogenide glasses, to name just a few.

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