@misc{SpeitWolffDoehring2015, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {Lead-containing space glass, its production and its use}, year = {2015}, abstract = {The invention relates to a lead-containing space glass, its production and its use. The optical glasses have increased refractive indices and are useful for making space-saving and light-weight imaging optics with lenses of different glass types for use in different objects travelling in space. The optical glasses are suitable for production of optics having low total weight, which is decisive for space applications. These space glasses have high UV- and VIS-transmittance in a range of between 300 and 800 nm and high stability of transmittance over a period of years, because their aging has been greatly limited.}, subject = {Optisches Glas}, language = {en} } @misc{SpeitWolffDoehring2015, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {Lead-containing space glass, its production and use}, year = {2015}, abstract = {The invention relates to a lead-containing space glass, its production and use. The optical glasses have increased refractive indices and are useful for making space-saving and light-weight imaging optics with lenses of different glass types for use in different objects travelling in space. The optical glasses are suitable for production of optics having low total weight, which is decisive for space applications. These space glasses have high UV- and VIS-transmittance in a range of between 300 and 800 nm and high stability of transmittance over a period of years, because their aging has been greatly limited.}, subject = {Optisches Glas}, language = {en} } @misc{SpeitDoehringWolff2014, author = {Speit, Burkard and D{\"o}hring, Thorsten and Wolff, Silke}, title = {Lead-containing space glass, its production and use}, year = {2014}, abstract = {The optical glasses have increased refractive indices and are useful for making space-saving and light-weight imaging optics with lenses of different glass types for use in different objects travelling in space. The optical glasses are suitable for production of optics having low total weight, which is decisive for space applications. These space glasses have high UV- and VIS-transmittance in a range of between 300 and 800 nm and high stability of transmittance over a period of years, because their aging has been greatly limited.}, subject = {Optisches Glas}, language = {en} } @misc{SpeitDoehringWolff2013, author = {Speit, Burkard and D{\"o}hring, Thorsten and Wolff, Silke}, title = {Lead-containing space glass, its production and use}, year = {2013}, abstract = {The space glass has a composition, in wt. \% based on oxide content, of: SiO2, 5-65; B2O3, 0-40; Al2O3, 0-12; PbO, 25-50; Na2O 0-8; K2O, 0-20; Sigma alkali metal oxides, at least 0.25; and at least 0.1 wt. \% of a total amount of three or more doping agents selected from CeO2, MoO3, Bi2O3, WO3, Ag2O, SnO2, Sb2O3 and As2O3. In addition, it contains one or more of the following doping agents in the following amounts: at most 1 wt. \%, CeO2; at most 0.02 wt. \%, As2O3; at most 0.3 wt. \%, Sb2O3; and at most 0.5 wt. \%, SnO2. Light-weight optical systems for space are made from it, because of its high radiation resistance. A preferred process for making space glass includes melting the oxide starting ingredients at 1050 DEG C. to 1200 DEG C. to form a melt and refining the melt at 1230 DEG C. to 1350 DEG C.}, subject = {Optisches Glas}, language = {en} } @misc{SpeitWolffDoehring2014, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {Verre spatial contenant du plomb, ses production et utilisation}, year = {2014}, abstract = {The optical glasses have increased refractive indices and are useful for making space-saving and light-weight imaging optics with lenses of different glass types for use in different objects travelling in space. The optical glasses are suitable for production of optics having low total weight, which is decisive for space applications. These space glasses have high UV- and VIS-transmittance in a range of between 300 and 800 nm and high stability of transmittance over a period of years, because their aging has been greatly limited.}, subject = {Optisches Glas}, language = {fr} } @misc{SpeitWolffDoehring2014, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {Lead-containing space glass, its production and use}, year = {2014}, abstract = {The space glasses have a composition, in wt. \% based on oxide content, including SiO2, 12-45; B2O3, 0-4; Al2O3, 0-4; TiO2, 0-5; PbO, 50-82; Na2O, 0-4; K2O, 0-8; and at least 0.1 wt. \% of a total amount of at least three doping agents selected from CeO2, MoO3, Bi2O3, WO3, Ag2O, SnO2, Sb2O3 and As2O3. Light-weight and space-saving optical systems for outer space applications can be made with these space glasses, which have high UV- and VIS-transmittance and high transmittance stability, because of their high radiation resistance based on their dopant content. A preferred process for making the space glass includes melting the above-stated oxide ingredients in a quartz crucible at 1050 DEG C. to 1200 DEG C. to form a melt and refining the melt at 1230 DEG C. to 1350 DEG C.}, subject = {Optisches Glas}, language = {en} } @misc{SpeitWolffDoehring2019, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {LEAD-CONTAINING RADIATION-RESISTANT GLASS AND PRODUCTION THEREOF}, year = {2019}, abstract = {PROBLEM TO BE SOLVED: To provide an optical glass which is used for design of space-saving and light imaging optical elements provided with various glass-type lenses and used in flights of various objects in space and has an increased refractive index. SOLUTION: A glass for space comprises 5-65 wt.\% of SiO, 0-40 wt.\% of BO, 0-12 wt.\% of AlO, 5-50 wt.\% of PbO, 0-8 wt.\% of NaO and 0-20 wt.\% of KO and contains at least three doping agents selected from CeO, MoO, BiO, WO, AgO, SnO, SbOand AsOin a total content of the doping agents of at least 0.1 wt.\% in the glass for space. The glass for space preferably contains 0.5-1 wt.\% of TiO additionally.}, subject = {Optisches Glas}, language = {mul} } @misc{SpeitWolffDoehring2017, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {LEAD-CONTAINING RADIATION RESISTANT GLASS AND MANUFACTURING THE SAME}, year = {2017}, abstract = {PROBLEM TO BE SOLVED: To provide a radiation resistant glass having radiation resistance and high transparency.SOLUTION: There is provided a radiation resistant glass containing, by wt.\%, the following components: SiO of 12 to 45, BO of 0 to 4, AlO of 0 to 4, TiO of 0 to 5, PbO of 50 to 82, NaO of 0 to 4, KO of 0 to 8, and at least 3 doping agents selected from a group consisting of CeO, MoO, BiO, WO, AgO, SnO, SbO and AsO where the total of these doping agents are at least at 0.1 wt.\% and the weight percentage of AsO is 0 to <0.2\%.}, subject = {Glas}, language = {mul} } @misc{SpeitWolffDoehring2009, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {Lead-containing space glass, its production and use}, year = {2009}, subject = {Optisches Glas}, language = {en} } @misc{SpeitWolffDoehring2009, author = {Speit, Burkard and Wolff, Silke and D{\"o}hring, Thorsten}, title = {Lead-containing space glass, its production and use}, year = {2009}, subject = {Optisches Glas}, language = {en} }