Optical colored glass, its use, and an optical long-pass cutoff filter

An optical colored glass with a composition (in percent by weight based on oxide) of SiO2 30-75; K2O 5-35; TiO2 0-5; B2O3>4-17; ZnO 5-37; F 0.01-10 MMY2 0.1-3, whereby M=Cu, Ag, M=In, Ga, Al, Y=S, Se, Te, as well as the use of this glass as a long-pass cutoff filter.

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Bibliographische Detailangaben
Hauptverfasser:	KOLBERG UWE, RITTER SIMONE, GIERKE MONIKA, CLASEN ROLF, FREUND JOCHEN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	An optical colored glass with a composition (in percent by weight based on oxide) of SiO2 30-75; K2O 5-35; TiO2 0-5; B2O3>4-17; ZnO 5-37; F 0.01-10 MMY2 0.1-3, whereby M=Cu, Ag, M=In, Ga, Al, Y=S, Se, Te, as well as the use of this glass as a long-pass cutoff filter.