GLASS COMPOSITION, COMPONENT, AND METHOD FOR PRODUCING A COMPONENT

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The invention relates to a glass composition (2a) comprising the following : at least one tellurium oxide in a proportion of at least 65 mol.% and maximally 90 mol.%, R1O in a proportion between 0 mol.% and 20 mol.%, R1 being selected from a group comprising Mg, Ca, Sr, Ba, Zn, Mn, and combinations thereof, at least one M12O in a proportion between 5 mol.% and 25 mol.%, M1 being selected from a group comprising Li, Na, K, and combinations thereof, at least one R22O3 in a proportion between 1 mol.% and 3 mol.%, R2 being selected from the group comprising Al, Ga, In, Bi, Sc, Y, La, rare earth metals, and combinations thereof, M2O2 in a proportion between 0 mol.% and 2 mol.%, M2 being selected from a group comprising Ti, Zr, Hf, and combinations thereof, and R32O5 in a proportion between 0 mol.% and 6 mol.%, R3 being Nb and/or Ta. The invention further relates to a component and to a method for producing a component.