Development of germanium based sulphide glass by chemical vapour deposition (CVD).
University of Southampton, Optoelectronic Research Centre,
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Chalcogenide glasses, especially sulphide glasses, are becoming more and more important for the fabrication of optoelectronic devices in part because of the high nonlinearity, strong photosensitivity and several other unique properties they have. Chalcogenide glasses are normally fabricated by a conventional melt-quenching method. The glasses are then further processed to form, for example, thin films, optical fibre and optoelectronic devices. /°C. The purity of germanium sulphide bulk glass bas been determined by a glow discharge mass spectrometry (GDMS) technique and an exceptionally low level of transition metal impurities in this glass have been achieved.
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