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US 2003/0158029 A1Published application
Optical colored glass, it's use, and an optical long-pass cutoff filter
AssigneeSchott Glas
InventorsRolf Clasen, Monika Gierke, Jochen Freund, Simone Ritter, Uwe Kolberg
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Abstract
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 MI MIII Y2II 0.1-3, whereby MI=Cu+, Ag+, MIII=In3+, Ga3+, Al3+, YII=S2−, S2−, Te2−, as well as the use of this glass as a long-pass cutoff filter.
Claims20
Optical colored glass
- characterized by
- a composition (in percent by weight) of
- 5 SiO2 30-75 K2O 5-35 B2O3 >4-17 ZnO 5-37 F 0.01-10 MI MIII YII2, whereby MI = Cu+, Ag+ 0.1-3 MIII = In3+, Ga3+, Al3+ YII = S2−, Se2−, Te2−.
Dependencies are inferred from the claim text.