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A PYROCERAMIC MATERIAL WITH A BASE OF SILICA AND TIN DIOXIDE, PARTICULARLY FOR OPTICAL APPLICATIONS, AND THE CORRESPONDING PROCESS OF FABRICATION
A PYROCERAMIC MATERIAL WITH A BASE OF SILICA AND TIN DIOXIDE, PARTICULARLY FOR OPTICAL APPLICATIONS, AND THE CORRESPONDING PROCESS OF FABRICATION
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机译:以二氧化硅和二氧化锡为基料的高温陶瓷材料,特别是在光学应用中,以及相应的制造工艺
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摘要
A glass ceramic material with a base of silica and tin dioxide: the material has a vitreous silica matrix, in which there are dispersed crystalline aggregates of tin dioxide having submicrometric or nanometric dimensions, the dimensions being obtained by means of appropriate control of specific operating parameters of the process of preparation. The material has excellent values of optical transmission in the visible and in the near infrared and high properties of photosensitivity and optical non-linearity, which render the material suitable, in particular, for use in devices for optical telecommunications (integrated in optical fibre or on planar waveguide or in three-dimensional devices) and memories, the devices being obtainable, for example, by direct writing or using laser interferometric techniques.
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