GLASS CONTAINING BISMUTH OXIDE, METHOD FOR THE PRODUCTION AND USE THEREOF

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The invention relates to glasses containing bismuth and germanium oxide additives, whereby the content of B2O3 and SiO2is more than 0.1 but less than 5 mol- %%. The invention also relates to a method which is suitable for the production thereof. The glasses can be used, in particular, as optically active glasses when doped with rare earths. © KIPO & WIPO 2007