Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser
    62.
    发明授权
    Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser 有权
    荧光玻璃,光波导,光纤,光学相干断层摄影装置和光纤激光器

    公开(公告)号:US07940815B2

    公开(公告)日:2011-05-10

    申请号:US11488902

    申请日:2006-07-19

    Abstract: The present invention relates to fluorescent glass which is easily put into practical use, and optical elements including the same. In one aspect, the fluorescent glass is comprised of silica-based glass containing Bi as a dopant, and adapted to generate fluorescence in response to pumping light in a wavelength band of 980 nm incident thereon. In another aspect, the fluorescent glass contains at least one species of transition metal as a dopant, and exhibits a 980-nm band absorption spectrum having a full width at half maximum exceeding 10 nm. In still another aspect, the fluorescent glass is comprised of silica-based glass containing at least one species of transition element as a dopant, and exhibits a fluorescence spectrum with a peak intensity fluctuating within a range of −1 dB or more but 1 dB or less with respect to pumping light having a fixed intensity in a state set to a temperature of −5° C. or more but 65° C. or less.

    Abstract translation: 本发明涉及容易投入实际使用的荧光玻璃以及包含该荧光玻璃的光学元件。 在一个方面,荧光玻璃由含有Bi作为掺杂剂的二氧化硅基玻璃组成,并且适于响应入射到其上的980nm的波长带中的泵浦光产生荧光。 在另一方面,荧光玻璃含有至少一种过渡金属作为掺杂剂,并且表现出具有半峰全宽超过10nm的980nm带吸收光谱。 在另一方面,荧光玻璃由含有至少一种过渡元素作为掺杂剂的二氧化硅基玻璃构成,并且具有峰值强度在-1dB以上至1dB的范围内波动的荧光光谱,或 相对于在设定为-5℃以上且65℃以下的温度的状态下抽送具有固定强度的光较少。

    Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser
    64.
    发明申请
    Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser 有权
    荧光玻璃,光波导,光纤,光学相干断层摄影装置和光纤激光器

    公开(公告)号:US20070036509A1

    公开(公告)日:2007-02-15

    申请号:US11488902

    申请日:2006-07-19

    Abstract: The present invention relates to fluorescent glass which is easily put into practical use, and optical elements including the same. In one aspect, the fluorescent glass is comprised of silica-based glass containing Bi as a dopant, and adapted to generate fluorescence in response to pumping light in a wavelength band of 980 nm incident thereon. In another aspect, the fluorescent glass contains at least one species of transition metal as a dopant, and exhibits a 980-nm band absorption spectrum having a full width at half maximum exceeding 10 nm. In still another aspect, the fluorescent glass is comprised of silica-based glass containing at least one species of transition element as a dopant, and exhibits a fluorescence spectrum with a peak intensity fluctuating within a range of −1 dB or more but 1 dB or less with respect to pumping light having a fixed intensity in a state set to a temperature of −5° C. or more but 65° C. or less.

    Abstract translation: 本发明涉及容易投入实际使用的荧光玻璃以及包含该荧光玻璃的光学元件。 在一个方面,荧光玻璃由含有Bi作为掺杂剂的二氧化硅基玻璃组成,并且适于响应入射到其上的980nm的波长带中的泵浦光产生荧光。 在另一方面,荧光玻璃含有至少一种过渡金属作为掺杂剂,并且表现出具有半峰全宽超过10nm的980nm带吸收光谱。 在另一方面,荧光玻璃由含有至少一种过渡元素作为掺杂剂的二氧化硅基玻璃构成,并且具有峰值强度在-1dB以上至1dB的范围内波动的荧光光谱,或 相对于在设定为-5℃以上且65℃以下的温度的状态下抽送具有固定强度的光较少。

    Ion exchange compositions
    68.
    发明授权
    Ion exchange compositions 失效
    离子交换组合物

    公开(公告)号:US4902426A

    公开(公告)日:1990-02-20

    申请号:US196904

    申请日:1988-05-20

    Abstract: The present invention comprises a process for separating rare earth ions or actinide ions or mixtures thereof in solution by passing the solution through an ion exchange material to separate the rare earths or actinides or mixtures thereof. The ion exchange material has a surface area of about 5-1500 m.sup.2 /g. The ion exchange material is impregnated with a liquid containing alkali metal cations, Group Ib metal cations, ammonium cations, organic amines or mixtures thereof, at a pH range above about 9. A plurality of fractions of the solution is collected as the solution passes through the ion exchange material, preferably in a column. This process is particularly preferred for separating rare earth ions and especially lanthanum and neodymium. It is particularly preferred to purify lanthanum to contain less than 0.1 ppm, preferably less than 0.01 ppm, of neodymium. In another embodiment, the present invention comprises a method of producing a porous silicate glass containing at least one transition metal oxide additive selected from a group consisting of the bottom two rows of Group VIII of the Periodic Table. This method comprises preparing a base glass from a melt which contains 40-80 mol percent of silica and up to 10 mol percent of one or more transition metal oxide additives selected from said group or of precursors of said oxide additives, separating said base glass by heat treatment into at least a soluble phase and an insoluble phase, leaching out the soluble phase. In yet another embodiment, the present invention comprises an ion exchange material consisting of a porous glass or silica gel including at least about 0.2 mol percent of a transition metal oxide or hydrous metal oxide and containing at least 0.3 mol percent of alkali metal cation, Group Ib metal cation, ammonium, organic amines, or mixtures thereof.

    Abstract translation: 本发明包括通过使溶液通过离子交换材料以分离稀土或锕系元素或其混合物来分离稀土离子或锕系离子或其混合物的方法。 离子交换材料具有约5-1500m 2 / g的表面积。 离子交换材料在高于约9的pH范围内用含有碱金属阳离子,Ib族金属阳离子,铵阳离子,有机胺或其混合物的液体浸渍。当溶液通过时,收集多个馏分的溶液 离子交换材料,优选在柱中。 该方法特别优选用于分离稀土离子,特别是镧和钕。 特别优选将镧纯化为含有小于0.1ppm,优选小于0.01ppm的钕。 在另一个实施方案中,本发明包括一种制备多孔硅酸盐玻璃的方法,所述多孔硅酸盐玻璃含有至少一种选自周期表的第八族的下部两行的过渡金属氧化物添加剂。 该方法包括从熔体制备基础玻璃,所述熔体包含​​40-80摩尔%的二氧化硅和至多10摩尔%的选自所述组或所述氧化物添加剂的前体的一种或多种过渡金属氧化物添加剂,将所述基础玻璃与 热处理成至少可溶相和不溶相,浸出可溶相。 在另一个实施方案中,本发明包括由多孔玻璃或硅胶组成的离子交换材料,其包含至少约0.2mol%的过渡金属氧化物或含水金属氧化物并且含有至少0.3mol%的碱金属阳离子 Ib金属阳离子,铵,有机胺或其混合物。

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