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Title: High-index glass for the products of ophthalmologic optics
Authors: Papko, L. F.
Levitski, I. A.
Dyadenko, M. V.
Keywords: офтальмологическая оптика
бесцветное стекло
составы стекла
высокоиндексовое стекло
продукты офтальмологической оптики
Issue Date: 2013
Publisher: BSTU
Citation: Papko, L. F. High-index glass for the products of ophthalmologic optics / L. F. Papko, I. A. Levitski, M. V. Dyadenko // Proceedings of BSTU. – Minsk : BSTU. – 2013. – № 3. – P. 89-92.
Description: The results of development of high-index glass for the products of ophthalmologic optics on the basis of the systems Li2O – RO – B2O3– SiO2and K2O – TiO2– SiO2are presented. It is shown that the formation of complexes [TiO4/2O] 2– K2 + in glass of the system K2O – TiO2– SiO2interferes with the formation of the chromophorecenters Fe 2+ – O – Ti 4+ and allows to receive colorless glass at amount of TiO2to 30 mol.%. The compositions of glass with a refractive index 1.65 and 1.70 at density no more than 2.91 g/cm 3 are developed. It allows to recommend them for the production of the facilitated lenses with a high optical force.
Appears in Collections:2013, № 3

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