RUSSIAN ACADEMY OF SCIENCES MOSCOW INSTITUTE OF CHEMISTRY OF HIGH PURITY SUBSTANCES
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Low impurity content is the essential requirement to many applications of vitreous arsenic chalcogenides as a material for optoelectronics. Investigations carried out in last ten years increased the knowledge volume about the nature and origin of impurities in chalcogenide glasses, their effect on glass properties, especially on the transmittance in middle IR region and on radiation strength. These properties are most sensitive to impurity presence. The minimum calculated content of ...
Optical and mechanical characteristics of optical fibers made of high-purity chalcogenide glasses of As-S, As-S-Se, As-Se and Ge-As-Se systems, intended for operation in the middle IR, are given. The fibers from As-S glass will be useful for transmission of IR-radiation in the 1-7 microns spectral region, the fibers on the basis of As-Se and Ge-As-Se glass systems - in the 2-12 microns region. The multimode fibers from arsenic-sulfide and arsenic-selenide ...
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