LUMINESCENT ALKALINE-GERMANATE CERAMICS WITH TETRAVALENT MANGANESE IONS Russian patent published in 2022 - IPC G02B1/00 C03C10/00 C09K11/55 C09K11/57 

FIELD: ceramics.

SUBSTANCE: invention can be used in creating solid-state lasers, including fibre lasers, and luminescent optical materials. Luminescent alkaline-germanate glass ceramics with tetravalent manganese ions are glass ceramics, in the matrix whereof crystals of Li₂Ge₇O₁₅ are formed in the process of heat treatment at a temperature of 540 to 700°C for 1 to 10 hours, containing MnO₂ 0.0005 to 2 mol.%.

EFFECT: simplified technology for manufacturing luminescent alkaline-germanate glass ceramics with tetravalent manganese ions, increase in the mechanical strength and chemical resistance, and production of an optical material transparent in the 400 to 900 nm region.

1 cl, 13 dwg