Transparent or translucent inorganic material with high transmission in
the 2700-3300 nm wavelength range
    1.
    发明授权
    Transparent or translucent inorganic material with high transmission in the 2700-3300 nm wavelength range 失效
    透明或半透明的无机材料,在2700-3300nm波长范围内具有高透射率

    公开(公告)号:US5446008A

    公开(公告)日:1995-08-29

    申请号:US165877

    申请日:1993-12-14

    CPC分类号: C03C10/0027

    摘要: A transparent or translucent inorganic material, especially a glass-ceramic and/or composite material, is provided with a low average thermal longitudinal expansion coefficient, .alpha., of from -1.times.10.sup.-6 K.sup.-1 to +2.times.10.sup.-6 K.sup.-1 in the temperature range of -50.degree.-700.degree. C., with the following composition (in weight percent):Li.sub.2 O, 2.5-6.0; Na.sub.2 O, 0-4.0; K.sub.2 O, 0-4.0; Na.sub.2 O+K.sub.2 O, 0.2-4.0; MgO, 0-3.0; ZnO, 0-3.0; BaO, 0-3.5; CaO, 0-1.0; SrO, 0-1.0; Al.sub.2 O.sub.3, 18-28; SiO.sub.2, 50-70; TiO.sub.2, 1.0-7.0; ZrO.sub.2, 0-3.5; TiO.sub.2 +ZrO.sub.2, 1.0-7.0; and P.sub.2 O.sub.5, 0-8.0,optionally with coloring components (in weight percent):V.sub.2 O.sub.5, 0-2.0; Cr.sub.2 O.sub.3, 0-2.0; MnO, 0-2.0; Fe.sub.2 O.sub.3, 0-2.0; CoO, 0-2.0; and NiO, 0-2.0,optionally, conventional refining agents, such as As.sub.2 O.sub.3, Sb.sub.2 O.sub.3, NaCl, and Ce.sub.2 O.sub.3, and optionally with high quartz (h-quartz) and/or keatite mixed crystals as the essential crystalline phase. The material exhibits a settable transmission and is suitable, in particular, for the production of plates, pipes, and molded articles, wherein the inorganic material has a water content of less than 0.03 mol/l.

    摘要翻译: 透明或半透明的无机材料,特别是玻璃 - 陶瓷和/或复合材料,在温度范围内具有-1x10-6K-1至+ 2x10-6K-1的低平均热纵向膨胀系数α -50℃-700℃,具有以下组成(重量百分比):Li 2 O,2.5-6.0; Na2O,0-4.0; K2O,0-4.0; Na2O + K2O,0.2-4.0; MgO,0-3.0; ZnO,0-3.0; BaO,0-3.5; CaO,0-1.0; SrO,0-1.0; Al2O3,18-28; SiO2,50-70; TiO2,1.0-7.0; ZrO 2,0-3.5; TiO2 + ZrO2,1.0-7.0; 和P 2 O 5,0-8.0,任选地具有着色组分(重量百分比):V2O5,0-2.0; Cr2O3,0-2.0; MnO,0-2.0; Fe2O3,0-2.0; CoO,0-2.0; 和NiO,0-2.0,任选的常规精炼剂,例如As2O3,Sb2O3,NaCl和Ce2O3,以及任选的高石英(h-石英)和/或酮铁矿混合晶体作为必需结晶相。 该材料具有可设定的透射性,特别适用于制造板,管和模制品,其中无机材料的水含量低于0.03mol / l。

    Optical fibers made from multicomponent glass
    2.
    发明授权
    Optical fibers made from multicomponent glass 失效
    由多组分玻璃制成的光纤

    公开(公告)号:US07072562B2

    公开(公告)日:2006-07-04

    申请号:US10674601

    申请日:2003-09-30

    IPC分类号: G02B6/00

    CPC分类号: C03C13/046

    摘要: The stepped optical fiber has a core glass member and a surrounding cladding glass member. It has a high numerical aperture (NA)≧0.50. The core glass member preferably has a zinc-containing composition including, in % by weight, SiO2, 42 to 53; ZnO, 16 to 38; PbO, 1 to 20; Na2O,

    摘要翻译: 阶梯式光纤具有芯玻璃构件和周围的包层玻璃构件。 它具有高数值孔径(NA)> = 0.50。 核心玻璃构​​件优选具有含锌组合物,其包含以重量%计的SiO 2,42至53; ZnO,16〜38; PbO,1〜20; Na 2 O,<14; K 2 O,<12; ZnO和PbO> = 30之和,Na 2 O 2和K 2 O 2之和为> = 2。 与该芯玻璃相容的包层玻璃组合物以重量%计含有SiO 2,60〜72, B 2 O 3,<20; AL 2 O 3,<10; NA 2 O,<18; 和K 2 O,<15。 所得到的光纤具有低衰减,非常中性的色彩传输和低制造成本。 其他包覆玻璃组合物导致在芯玻璃边界层处具有太多结晶的相当差的性质。 还准备了具有甚至更低孔径值> = 0.48的芯玻璃的环保无铅实施例。

    Arsenic pentoxide glasses
    4.
    发明授权
    Arsenic pentoxide glasses 失效
    五氧化二砷眼镜

    公开(公告)号:US3960578A

    公开(公告)日:1976-06-01

    申请号:US324992

    申请日:1973-01-19

    申请人: Georg Krolla

    发明人: Georg Krolla

    摘要: Arsenic pentoxide glasses characterized by containing 8 - 60 wt.% arsenic pentoxide and correspondingly 92 - 40 wt.% polyvalent metal fluorides exhibit improved processing characteristics while maintaining outstanding optical properties when prepared from a formula containing at least 0.5% of at least one member selected from the group consisting of bromides, chlorides, sulfates and metal oxides.

    摘要翻译: 其特征在于含有8-60重量%的五氧化二砷和相应的92-40重量%的多价金属氟化物的五氧化二钇玻璃表现出改进的加工特性,同时在由含有至少一种选自至少一种成员的0.5%的配方的配方制备时保持优异的光学性能 由溴化物,氯化物,硫酸盐和金属氧化物组成。

    Low loss glass suitable for optical fiber
    6.
    发明授权
    Low loss glass suitable for optical fiber 失效
    低损玻璃适用于光纤

    公开(公告)号:US4099834A

    公开(公告)日:1978-07-11

    申请号:US527152

    申请日:1974-11-25

    CPC分类号: C03C3/07 C03C13/046 C03C3/102

    摘要: A glass when in the form of an optical fiber having an optical loss of not more than 150 dB/km, high transparency, a high numerical aperture, and a high flexural strength, said glass being especially suitable for optical fibers and consisting essentially of:SiO.sub.2 : 65 - 75 mol-%; (38 - 46% by weight);R.sub.2 o: 4 - 17 mol-%; (4 - 13% by weight);PbO: 16 - 25 mol-%; (42 - 55% by weight); wherein R.sub.2 O is Na.sub.2 O, K.sub.2 O or Cs.sub.2 O or mixtures thereof, preferably not more than 3.0 mol % Na.sub.2 O, and with the provision that the molar ratio of SiO.sub.2 : PbO is 2.5 - 4.0.

    摘要翻译: 玻璃当具有光损耗不超过150dB / km,高透明度,高数值孔径和高弯曲强度的光纤形式时,特别适用于光纤并且由以下组成: