摘要:
The present invention relates to a high-purity bioactive glass, having the following composition in % by weight: SiO2 35-86 Na2O 5.5-35 CaO 4-46 P2O5 1-15 Further additional0.05-15 substances and to a process for producing it, in which the glass is produced in a radiofrequency-heated skull crucible.
摘要:
The invention concerns an optical colored glass of the composition (in % in weight on oxide basis) SiO2 50-62; K2O 10-25; Na2O 0-14; Al2O3 0-2; B2O3 3-5; ZnO 13.5-37; F 0-1; TiO2 0-7; In2O3 0-2; Ga2O3 0-2; SO3 0-1; SeO2 0-1; C 0-1; MIMIIIY2II 0.1-3, whereby MI=Cu+ and/or Ag+ and/or MIII=In3+ and/or Ga3+ and/or Al3+ and/or YII=S2− and/or Se2− and at least 0.1% in weight of the oxide (M2O3) of the MIII, which is/ar present in MIMIIIYII2, and with at least 0.2% in weight of the oxide, of YII, which/are present in MIMIIIYII2.
摘要翻译:本发明涉及组合物的光学着色玻璃(以氧化物为基准的重量%)SiO 2 50-62; K2O 10-25; Na2O 0-14; Al2O3 0-2; B2O3 3-5; ZnO 13.5-37; F 0-1; TiO2 0-7; In2O3 0-2; Ga2O3 0-2; SO3 0-1; SeO2 0-1; C 0-1; 其中M I = Cu +和/或Ag +和/或M III = In 3+和/或Ga 3+和/ 或Al 3+和/或Y II = S 2-和/或Se <2->和至少0.1重量%的M 的氧化物(M 2 O 3),其为/ 存在于M M III III中的至少0.2重量%的氧化物Y 2,其存在于M M III III中, II> 2。
摘要:
Zinc-containing optical glass materials with a refractive index nd between 1.52 and 1.66, an Abbe number vd of between 35 and 54 and a composition (in % by weight based on oxide) of: SiO2 38-58, ZnO 0.3-42, PbO 0-
摘要翻译:折射率nd在1.52和1.66之间的含锌光学玻璃材料,阿贝数vd在35和54之间,组成(以氧化物重量%计):SiO 2 38-58,ZnO 0.3-42,PbO 0〜30,ZnO + PbO 20-55,Li 2 O 0〜3,NA 2 O 0-14,K 2 O 12〜12,Li 2 O + Na 2 O + K 2 O 2 = F 0-3,MgO 0-6,CaO 0〜 <5,SrO 0-6,BaO 0- <0.9,B 2 O 3 0- <1,AL 2 O 3 0- <1.5和ZRO 2 0-,以及(如果合适的话)常规量的澄清剂。
摘要:
The invention describes a method for refining molten glass materials, in which refining gas is generated by refining agents in the molten glass, and in which the molten glass is heated to a temperature of between 1650° C. and 2800° C., and the maximum release of refining gas by the refining agents takes place at over 1500° C.
摘要:
In the apparatus for producing glass reduction of reduction-sensitive components in the glass melt is reduced or preferably is prevented during the melting and/or fining processes by introducing an oxidizing agent into the glass melt. The apparatus has a melt crucible, a fining vessel, and a device for conducting oxygen and/or ozone into the glass melt in the melt crucible and/or fining vessel, in order to suppress reduction of reduction-sensitive components of the glass melt. A preferred embodiment of the apparatus has a metallic skull crucible, which includes the melt crucible and/or the fining vessel. The apparatus preferably includes a homogenization unit connected to the fining vessel to receive glass melt from the fining vessel in order to further process the glass melt after refining.
摘要:
The lead-free and arsenic-free optical glasses have a refractive index of 1.83≦nd≦1.95 and an Abbé number of 24≦νd≦35, good chemical resistance, excellent crystallization stability and a composition, in wt. % based on oxide content, of SiO2, 2-8; B2O3, 15-22; La2O3, 35-42; ZnO, 10-18; TiO2, 9-15; ZrO2, 3-10; Nb2O5, 4-10; and WO3, >0.5-3. Besides containing at most 5 wt. % of each of GeO2, Ag2O and BaO and conventional fining agents, they may also contain at most in total 5 wt. % of Al2O3, MgO, CaO, SrO, P2O5 and up to at most in total 5 wt. % of the components F, Ta2O5. The glasses are preferably free of alkali metal oxides, Bi2O3, Y2O3, Gd2O3 and/or Yb2O3. Optical elements made from the optical glass are also described.
摘要翻译:无铅和无砷的光学眼镜的折射率为1.83&nlE; nd&nlE; 1.95,Abbé数为24&nlE;&ngr; d&nlE; 35,良好的耐化学性,优异的结晶稳定性和组成,以重量计。 基于氧化物含量%,SiO 2,2-8; B2O3,15-22; La2O3,35-42; ZnO,10-18; TiO2,9-15; ZrO2,3-10; Nb2O5,4-10; 和WO3,> 0.5-3。 除含有最多5wt。 GeO 2,Ag 2 O和BaO和常规澄清剂中的每一种的%,它们也可以最多含有5wt。 %的Al 2 O 3,MgO,CaO,SrO,P 2 O 5,最多至多5重量% %的组分F,Ta2O5。 玻璃优选不含碱金属氧化物Bi 2 O 3,Y 2 O 3,Gd 2 O 3和/或Yb 2 O 3。 还描述了由光学玻璃制成的光学元件。
摘要:
A short optical glass is disclosed which is particularly suited for the applications imaging, projection, telecommunication, optical information technology and/or laser technology, also particularly suited for fiber applications (light guides or imaging guides). Preferably, the glass has a refractive index of 1.54≦nd≦1.62 and an Abbe coefficient of 48≦vd=57. It further has good attenuating and ion exchange characteristics, good chemical stability and good crystallization stability. The glass comprises 35 to 50 wt.-% SiO2, 0.1 to 6 wt.-% B2O3, 0.1 to 7 wt.-% Al2O3, 0.1 to 4 wt.-% P2O5, 4 to 24 wt.-% R2O (alkali oxides), 6 to 14.5 wt.-% BaO, 0 to 12 wt.-% other RO (alkaline earth oxides), 14 to 25 wt.-% ZnO, 0 to 5 wt.-% La2O3, 0 to 10 wt.-% ZrO2, wherein R2O is an alkali oxide, RO is an alkaline earth oxide other than BaO, wherein Li2O is 6 wt.-% at the most, wherein the glass does not contain any GeO2, SnO, SnO2, AgO, Sb2O3 and, preferably, no rare earth oxides, and wherein the glass may be molten while adding suitable purifying agents.
摘要翻译:公开了一种特别适用于成像,投影,通信,光学信息技术和/或激光技术的应用,也特别适用于光纤应用(光导或成像引导)的短光学玻璃。 优选地,玻璃的折射率为1.54 <= N 2 O是碱金属氧化物,RO是BaO以外的碱土金属氧化物,其中Li 2 O 2最多为6重量%,其中玻璃不含任何 GeO 2,SnO,SnO 2,AgO,Sb 2 O 3,优选不存在稀土氧化物 ,并且其中玻璃可以熔融同时加入合适的净化剂。
摘要:
The invention discloses a standard for referencing luminescence signals, having an optically transparent base material comprising a lanthanum phosphate glass, a fluorophosphate glass, a fluor-crown glass, a lanthanum glass, a glass-ceramic formed therefrom or a lithium aluminosilicate glass-ceramic, the base material including a bulk doping with at least one constituent which is luminescent and comprises at least one rare earth and/or a nonferrous metal, in particular cobalt, chromium or manganese.
摘要:
The invention discloses a standard for referencing luminescence signals, having an optically transparent base material comprising a lanthanum phosphate glass, a fluorophosphate glass, a fluor-crown glass, a lanthanum glass, a glass-ceramic formed therefrom or a lithium aluminosilicate glass-ceramic, the base material including a bulk doping with at least one constituent which is luminescent and comprises at least one rare earth and/or a nonferrous metal, in particular cobalt, chromium or manganese.
摘要:
A cadmium-free optical steep edge filter comprising I-III-VI compound semiconductor systems of stoichiometric or non-stoichiometric composition, where the I-III-VI compound semiconductors are systems with one or more of the following elements: for the univalent (I) elements: Cu, Ag for the tervalent (III) elements: Al, In, Ga for the hexavalent (VI) elements: S, Se, Te.