Abstract:
An optical glass with high refractive index and low dispersion, having refractive index nd of 1.78-1.95, Abbe number vd of 32-50, and contains no GeO2, so it is not easily devitrified. An optical glass, represented by cation %, including: 1-20% of Si4+; 25-60% of B3+; 10-40% of La3+; 0-15% of Y3+; 0-20% of Nb5+; 0-15% of Ti4+; 0-10% of Ta5+; 0-5% of W6+; 0-15% of Zr4+; 0-10% of Zn2+; 0-10% of Bi3+. An optical glass with excellent transmittance, an optical glass preform and an optical element formed by the above optical glass. The optical element made by the above optical glass and the above glass preform or optical element blank, such as lens, can be used for optical systems.
Abstract:
A co-doped silicate optical waveguide having a core including silica, and oxides of aluminum, germanium, erbium and thulium. The composition concentrations are: Er from 15 ppm to 3000 ppm; Al from 0.5 mol % to 12 mol %; Tm from 15 ppm to 10000 ppm; and Ge from 1 mol % to 20 mol %. In a specific embodiment, the concentration of Er is from 150 ppm to 1500 ppm; Al is from 2 mol % to 8 mol %; and Tm is from 15 ppm to 3000 ppm. A boron-less cladding surrounds the core.
Abstract:
An optical waveguide including a core having silica, Al, a non-fluorescent rare-earth ion, Ge, Er, and Tm. The non-fluorescent rare-earth ion may be La. Exemplary compositions concentrations are Er is from 15 ppm to 3000 ppm, Al is from 0.5 mol % to 12 mol %, La is less than or equal to 2 mol %, Tm is from 15 ppm to 10,000 ppm; and the Ge is less than or equal to 15 mol %. The core may further include F. An exemplary concentration of F is less than or equal to 6 anion mol %.
Abstract:
A thulium doped silicate glass composition which contains SiO2, Al2O3, and La2O3 emits visible and UV light when excited by infrared light. The glass composition may also contain GeO2 and Er2O3. When excited by infrared light of about 1060 nm, the glass emits visible light at fluorescent transitions of the Tm3+ ions with major broad features at 365, 455, 472, 651, and 791 nm.
Abstract translation:含有SiO 2,Al 2 O 3和La 2 O 3的掺doped硅酸盐玻璃组合物在被红外光激发时发射可见光和UV光。 玻璃组合物还可以含有GeO 2和Er 2 O 3。 当由约1060nm的红外光激发时,玻璃在365nm,455nm,472nm,651nm和791nm处具有主要的广泛特征,在Tm 3+离子的荧光转变下发射可见光。
Abstract:
An optical waveguide including a core having silica, Al, a non-fluorescent rare-earth ion, Ge, Er, and Tm. The non-fluorescent rare-earth ion may be La. Exemplary compositions concentrations are Er is from 15 ppm to 3000 ppm, Al is from 0.5 mol % to 12 mol %, La is less than or equal to 2 mol %, Tm is from 15 ppm to 10,000 ppm; and the Ge is less than or equal to 15 mol %. The core may further include F. An exemplary concentration of F is less than or equal to 6 anion mol %.
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 % Al2O3, 0.05-1.5 mol % La2O3, 0.0005-0.75 mol % Er2O3, 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。
Abstract:
A method for manufacturing an optical fiber, 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.
Abstract:
Ion sustained-release composite particles include ion sustained-release glass and a polymer compound, wherein the polymer compound includes a homo polymer or a copolymer of a (meth)acrylate compound having a hydroxyl group.
Abstract:
An optical glass comprising: by cation %, more than 0% and up to 40% of a content rate of La3+; 15% to 65% of a content rate of Ti4+; and more than 0% and up to 20% of a content rate of Zr4+; wherein a refractive index (nd) with respect to a d-line is from 2.00 to 2.35.
Abstract:
A thulium doped silicate glass composition which contains SiO2, Al2O3, and La2O3 emits visible and UV light when excited by infrared light. The glass composition may also contain GeO2 and Er2O3. When excited by infrared light of about 1060 nm, the glass emits visible light at fluorescent transitions of the Tm3null ions with major broad features at 365, 455, 472, 651, and 791 nm.
Abstract translation:含有SiO 2,Al 2 O 3和La 2 O 3的掺doped硅酸盐玻璃组合物在被红外光激发时发射可见光和UV光。 玻璃组合物还可以含有GeO 2和Er 2 O 3。 当由约1060nm的红外光激发时,玻璃在365nm,455nm,472nm,651nm和791nm处具有主要的广泛特征,在Tm 3+离子的荧光转变下发射可见光。