Abstract
Chalcogenide glasses have been intensively studied from the seventieth of twentieth century as the important new class of promising high-tech materials for semiconducting devices and infrared optics. Chalcogenide glasses are formed by chalcogens, stoichiometric chalcogenides, e.g. germanium and/or arsenic sulfides or selenides or by non-stoichiometrics alloys whose composition (and physicochemical properties) can be modified in broad ranges. They have unique optical properties – low phonon energies as compared with oxide glasses, high refractive index, infrared luminescence and so on. The advantage of many chalcogenide glasses is that they can be obtained using very simple technologies.
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