Abstract:
A multicomponent particulate gel includes 80-100 mole % SiO2, 1-10 mole % X2O, 1-10 mole % YO, 1-15 mole % Al2O3, and 0.1-5.0 weight % Er2O3,where X represents lithium, sodium, potassium, or mixtures thereof and Y represents calcium, barium, magnesium, lead or mixtures thereof, and the ratio of Al2O3 to (X2OnullYO) is between about 0.9 and about 2.5. A process of manufacturing the gel includes hydrolyzing alkoxide derivatives of silicon, aluminum, erbium, lithium, sodium, potassium, calcium, barium, magnesium, lead or mixtures thereof in water to generate their respective hydroxide derivatives; polymerizing the hydroxide derivatives to produce a gel slurry comprising an essentially silica network; and drying the gel slurry to produce the gel.
Abstract translation:多组分颗粒凝胶包含80-100摩尔%的SiO 2,1-10摩尔%的X 2 O,1-10摩尔%的YO,1-15摩尔%的Al 2 O 3和0.1-5.0重量的Er 2 O 3,其中X代表锂,钠,钾, 或其混合物,Y表示钙,钡,镁,铅或其混合物,Al 2 O 3与(X 2 O + YO)的比例在约0.9至约2.5之间。 制造凝胶的方法包括在水中水解硅,铝,铒,锂,钠,钾,钙,钡,镁,铅或其混合物的醇盐衍生物以产生它们各自的氢氧化物衍生物; 聚合氢氧化物衍生物以产生包含基本上二氧化硅网络的凝胶淤浆; 并干燥凝胶浆以产生凝胶。
Abstract:
The present invention is directed at a family of glasses capable of absorbing UV radiation and filtering yellow light in the visible region of the spectrum, the family of glasses having a composition consisting essentially, in terms of weight percent on the oxide basis, of: 55-95.7% SiO2, 0-28% B2O3, 0.5-18% Al2O3, 0-4% SrO, 0-13% BaO, 0-13% CaO, 0-8% MgO, 0-7.5% Na2O, 0-9.5% K2O, 0-1.5% Li2O, 0-1.5% Sb2O3, 0.4-4.5% Nd2O3, and 0.1-1% CeO2. Glasses of the present invention are capable of employment as envelopes for tungsten-halogen lamps and other high temperature light sources, as well as sealed-beam incandescent headlights.
Abstract translation:本发明涉及能够吸收紫外辐射并过滤光谱可见光区域中的黄光的玻璃系列,具有以氧化物为基准的基本上以重量百分数计的组成的玻璃系列为:55 -95.7%SiO 2,0-28%B 2 O 3,0.5-18%Al 2 O 3,0-4%SrO,0-13%BaO,0-13%CaO,0-8%MgO,0-7.5%Na 2 O,0-9.5 %K2O,0-1.5%Li2O,0-1.5%Sb2O3,0.4-4.5%Nd2O3和0.1-1%CeO2。 本发明的玻璃能够用作钨卤素灯和其他高温光源以及密封束白炽灯的信封。
Abstract:
A method of fabricating doped quartz component is provided herein. In one embodiment, the doped quartz component is a yttrium doped quartz ring configured to support a substrate. In another embodiment, the doped quartz component is a yttrium and aluminum doped cover ring. In yet another embodiment, the doped quartz component is a yttrium, aluminum and nitrogen containing cover ring.
Abstract:
The present invention relates to an optical fiber for an optical amplifier and a method for manufacturing the same, which can be applied to an optical transmission system in the S-band area (4130 nm-1530 nm). According to the present invention, silica is used as a base material and the optical fiber for an optical amplifier contains Tm3+ ions and metal ions in a first core layer formed on an inner surface of a second core layer using the MCVD (Modified Chemical Vapor Deposition) method and a solution doping method whereby the practicability and productivity of the optical fiber are remarkably improved.
Abstract:
Es wird ein Verfahren angegeben, das die wirtschaftliche Herstellung von dotiertem Quarzglas ermöglicht, insbesondere von laseraktivem Quarzglas, das hinsichtlich der Homogenität der Dotierstoffverteilung verbessert ist, indem eine Suspension bereitgestellt wird, die SiO 2 -Teilchen sowie eine Ausgangsverbindung für mindestens einen Dotierstoff in einer wässrigen Flüssigkeit enthält, die Flüssigkeit unter Bildung eines dotierten Zwischenprodukts, das Teilchen des Dotierstoffs oder Teilchen einer Vorläufersubstanz des Dotierstoffs enthält, entfernt wird, und aus dem dotierten Zwischenprodukt durch Sintern das dotierte Quarzglas gebildet wird, wobei mindestens ein Teil der Teilchen des Dotierstoffs oder der Teilchen der Vorläufersubstanz desselben in der Suspension als Präzipitat einer pH-Wertgesteuerten Fällungsreaktion der Ausgangsverbindung erzeugt wird.
Abstract:
An electric lamp provided with a light-transmitting lamp vessel (2) and a ligh source(l) in said light-transmitting lamp vessel(2) which is closed in a vacuum tight manner, wherein the light source has an envelope(3) of light-transmitting UV-absorbing quartz glass which contains aluminium in oxidic form and at least one metal in oxidic form selected from the group comprising cerium and europium wherein the quartz glass of the envelope(3) comprises silicon, cerium, europium and aluminium in oxidic form, while the atomic ratio aluminium/europium is in he range of 2:1 to 16:1 and whereby the titanium content of said quartz glass is at most >= 0 to An electric lamp provided with a light-transmitting lamp vessel and a light source in said light-transmitting lamp vessel which is closed in a vacuum-tight manner, wherein the light source has an envelope of light-transmiting, UV-absorbing quartz glass which contains aluminium in oxidic form and at least one metal in oxidic form selected from the group comprising cerium and europium, wherein the quartz glass of the envelope comprises silicon, cerium, europium and aluminium in oxidic form, while the atomic ratio aluminium/europium is in the range of 2:1 to 16:1 and whereby the titanium content of said quartz glass is at most >= 0 to = 0 to
Abstract:
A method for manufacturing an optical fiber and the resulting article. The method including the steps of: providing a substrate tube; depositing high purity silica-based cladding layers on the inside of the tube; depositing a germanium-free core comprising a glass including silica, and oxides of Al, La, Er, and Tm; collapsing the substrate tube to form a preform; and drawing the preform to yield an optical fiber. A germanium-free co-doped silicate optical waveguide in accordance with the present invention includes a core material comprising silica, aluminum, lanthanum, erbium and thulium, wherein the concentration of Er is from 15 ppm to 3000 ppm; Al is from 0.5 mol% to 15 mol%; La is less than 2 mol%; and Tm is from 150 ppm to 10000 ppm. In an exemplary specific embodiment the concentration of Al is from 4 mol% to 10 mol%; and the concentration of Tm is from 150 ppm to 3000 ppm. The core may further include F. In an exemplary embodiment, the concentration of F is less than or equal to 6 mol%. The waveguide may be an optical fiber, a shaped fiber or other light-guiding waveguides. An amplifier according to the present invention includes the optical fiber described above.
Abstract:
An optical article including a core; at least one cladding layer; and a narrow fluorine reservoir between the core and the cladding layer. The fluorine reservoir has a higher concentration of fluorine than either the cladding layer or the core. One particular embodiment includes a core including a halide-doped silicate glass that comprises approximately the following in cation-plus-halide mole percent 0.25-5 mol% Al 2 O 3 , 0.05-1.5 mol% La 2 O 3 , 0.0005-0.75 mol% Er 2 O 3 , 0.5-6 mol% F, 0-1 mol% Cl.
Abstract translation:一种包括芯的光学制品; 至少一层包层; 以及在芯和包层之间的窄氟储存器。 氟储存器具有比包覆层或芯层更高的氟浓度。 一个具体实施方案包括包含卤化物掺杂的硅酸盐玻璃的核,其在阳离子加 - 卤化物摩尔百分比为0.25-5摩尔%Al 2 O 3,0.05-1.5摩尔%La 2 O 3,0.0005-0.75摩尔%Er 2 O 3,0.5-6 mol%F,0-1mol%Cl。