Athermal optical device
    1.
    发明授权
    Athermal optical device 失效
    光热器件

    公开(公告)号:US06490394B1

    公开(公告)日:2002-12-03

    申请号:US09101630

    申请日:1998-07-14

    IPC分类号: G02B626

    摘要: An athermal optical device and a method for producing the device, such as an athermal optical fiber reflective grating (20), are described. The athermal optical fiber reflective grating device (20) comprises a negative expansion substrate (22), an optical fiber (24) mounted on the substrate (22) surface, and a grating (26) defined in the optical fiber (24). The method for producing the athermal optical fiber reflective grating (20) device comprises providing a negative expansion substrate (22), mounting an optical fiber (24) with at least one reflective grating (26) defined therein onto the substrate (20) upper surface, and affixing the optical fiber (24) to the substrate (22) at at least two spaced-apart locations (30, 32).

    摘要翻译: 描述了一种无热光学器件及其制造方法,如无热光纤反射光栅(20)。 无光纤光反射光栅装置(20)包括负扩展基板(22),安装在基板(22)表面上的光纤(24)和限定在光纤(24)中的光栅(26)。 制造无光纤光纤反射光栅(20)装置的方法包括提供负扩展基板(22),将限定有至少一个反射光栅(26)的光纤(24)安装到基板(20)的上表面 ,并且在至少两个间隔开的位置(30,32)处将光纤(24)固定到基板(22)。

    Athermal optical devices employing negative expansion substrates
    2.
    发明授权
    Athermal optical devices employing negative expansion substrates 有权
    采用负极膨胀衬底的热光器件

    公开(公告)号:US07254297B1

    公开(公告)日:2007-08-07

    申请号:US09203166

    申请日:1998-12-01

    IPC分类号: G02B6/26

    CPC分类号: G02B6/0218

    摘要: An athermal optical device and a method for producing the device, such as an athermal optical fiber reflective grating, are described. The athermal optical fiber reflective grating device comprises a negative expansion substrate, an optical fiber mounted on the substrate surface, and a grating defined in the optical fiber. The method for producing the athermal optical fiber reflective grating device comprises providing a negative expansion substrate, mounting an optical fiber with at least one reflective grating defined therein onto the substrate upper surface, and affixing the optical fiber to the substrate at at least two spaced apart locations.

    摘要翻译: 描述了一种无热光学器件及其制造方法,如无热光纤反射光栅。 无热光纤反射光栅装置包括负扩展基板,安装在基板表面上的光纤和光纤中限定的光栅。 制造无光纤光纤反射光栅装置的方法包括提供负扩展基板,将其中限定有至少一个反射光栅的光纤安装在基板上表面上,并将光纤以至少两个间隔开的方式固定到基板 位置。

    High modulus glass-ceramics containing fine grained spinel-type crystals
    4.
    发明授权
    High modulus glass-ceramics containing fine grained spinel-type crystals 失效
    含有细晶尖晶石型晶体的高模量玻璃陶瓷

    公开(公告)号:US5476821A

    公开(公告)日:1995-12-19

    申请号:US332703

    申请日:1994-11-01

    CPC分类号: G11B5/7315 C03C10/0036

    摘要: This invention is directed at glass-ceramic articles, and methods for producing such articles, exhibiting Young's modulus between about 14 to 24.times.10.sup.6 psi and a fracture toughness in excess of 1.0 MPa.sqroot. in. The crystal phase assemblage is comprised predominately of generally uniformly-sized spinel-type crystals which are uniformly dispersed within a highly siliceous residual glass matrix phase. The composition of these glass-ceramic articles is consists essentially, expressed in terms of weight percent on the oxide basis, of 35-60% SiO.sub.2, 20-35% Al.sub.2 O.sub.3, 0-25% MgO, 0-25% ZnO, at least about 10% MgO+ZnO, 0-20% TiO.sub.2, 0-10% ZrO.sub.2, 0-2% Li.sub.2 O and 0-8% NiO. However, if the Al.sub.2 O.sub.3 constituent is present in an amount less than about 25%, the TiO.sub.2 +ZrO.sub.2 +NiO amount should be at least 5%. The composition may also contain up to 5% of optional constituents selected from the group consisting of BaO, CaO, PbO, SrO, P.sub.2 O.sub.5, B.sub.2 O.sub.3, Ga.sub.2 O.sub.3, 0-5% R.sub.2 O and 0- 8% of a transition metal oxide; the R.sub.2 O selected from the group consisting of Na.sub.2 O, K.sub.2 O, Rb.sub.2 O and C.sub.2 O.

    摘要翻译: 本发明涉及玻璃陶瓷制品,以及用于制造这种制品的方法,其展示杨氏模量在约14至24×10 6 psi之间,断裂韧性超过1.0MPa 2ROOT in。晶相组合主要由通常均匀的尺寸 均匀分散在高度硅质残留玻璃基质相中的尖晶石型晶体。 这些玻璃陶瓷制品的组成基本上以氧化物的重量百分比表示,包括35-60%SiO 2,20-35%Al 2 O 3,0-25%MgO,0-25%ZnO,至少 约10%的MgO + ZnO,0-20%的TiO 2,0-10%的ZrO 2,0-2%的Li 2 O和0-8%的NiO。 然而,如果Al 2 O 3组分以小于约25%的量存在,则TiO 2 + ZrO 2 + NiO的量应至少为5%。 该组合物还可以含有高达5%的选自BaO,CaO,PbO,SrO,P 2 O 5,B 2 O 3,Ga 2 O 3,0-5%R 2 O和0-8%的过渡金属氧化物的任选成分; R2O选自Na2O,K2O,Rb2O和C2O。

    Zinc sulfophosphate glasses
    5.
    发明授权
    Zinc sulfophosphate glasses 失效
    硫酸磷酸钠眼镜

    公开(公告)号:US5328874A

    公开(公告)日:1994-07-12

    申请号:US136893

    申请日:1993-10-18

    IPC分类号: C03C3/17 C03C3/16

    CPC分类号: C03C3/17

    摘要: This invention relates to the preparation of a glass exhibiting a transition temperature normally below about 300.degree., a working temperature below about 400.degree., while, at the same time, exhibiting excellent resistance to attack by water. Specifically, the present invention discloses a glass consisting essentially in terms of mole percent on the oxide basis, of 15-35% P.sub.2 O.sub.5, 1-25% SO.sub.3, 30-55% ZnO, 0-25% R.sub.2 O, wherein R.sub.2 O is selected from the group consisting of 0-25% Li.sub.2 O, 0-25% Na.sub.2 O, and 0-25% K.sub.2 O, and up to a total of 15% of optional ingredients in the indicated proportions selected from the group consisting of 0-10% Al.sub.2 O.sub.3, 0-10% MgO, 0-10% CaO, 0-10% SrO, 0-10% BaO, 0-10% MnO, 0-10% transition metal oxides and 0-15% Cl+F, as analyzed in weight percent.

    摘要翻译: 本发明涉及一种玻璃的制备,其转变温度通常低于约300℃,工作温度低于约400℃,同时表现出优异的耐水侵蚀性。 具体地说,本发明公开了一种基本上以氧化物摩尔百分数计的玻璃,15-35%的P2O5,1-25%的SO3,30-55%的ZnO,0-25%的R2O,其中R2O选自 由0-25%Li 2 O,0-25%Na 2 O和0-25%K 2 O组成的组,以及以指定比例选择的至少15%的任选成分的组合,所述比例选自0-10%的Al 2 O 3, 0-10%MgO,0-10%CaO,0-10%SrO,0-10%BaO,0-10%MnO,0-10%过渡金属氧化物和0-15%Cl + F,如重量分析 百分。

    Zinc-containing phosphate glasses
    9.
    发明授权
    Zinc-containing phosphate glasses 失效
    含锌磷酸盐玻璃

    公开(公告)号:US4940677A

    公开(公告)日:1990-07-10

    申请号:US456550

    申请日:1989-12-26

    IPC分类号: C03C3/16 C03C3/17 C03C3/19

    CPC分类号: C03C3/17 C03C3/16 C03C3/19

    摘要: This invention is directed to the preparation of glasses exhibiting a transition temperature below 450.degree. C., a working temperature below 500.degree. C., and excellent resistance to attack by water and mild aqueous alkaline solutions. The glasses consist essentially, in mole percent, of at least 65% total of 23-55% ZnO, 28-40% P.sub.2 O.sub.5, and 10-35% R.sub.2 O, wherein R.sub.2 O consists of at least two alkali metal oxides in the indicated proportions selected from the group consisting of 0-25% Li.sub.2 O, 0-25% Na.sub.2 O, and 0-25% K.sub.2 O, and up to 35% total of optional ingredients in the indicated proportions selected from the group consisting of 0-6% Al.sub.2 O.sub.3, 0-8% B.sub.2 O.sub.3, 0-8% Al.sub.2 O.sub.3 +B.sub.2 O.sub.3, 0-15% Cu.sub.2 O, 0-5% F, 0-35% PbO, 0-35% SnO, 0-35% PbO+SnO, 0-5% ZrO.sub.2, 0-4% SiO.sub.2, and 0-15% MgO+CaO+SrO+BaO+MnO, consisting of 0-10% MgO, 0-10% CaO, 0-10% SrO, 0-12% BaO, and 0- 10% MnO.

    摘要翻译: 本发明涉及玻璃转变温度低于450℃,工作温度低于500℃的玻璃的制备,以及耐水和温和的碱性水溶液的优异抗性。 玻璃基本上以摩尔百分数计至少65%的23-55%的ZnO,28-40%的P 2 O 5和10-35%的R 2 O,其中R 2 O由至少两种选定的指定比例的碱金属氧化物组成 来自由0-25%Li 2 O,0-25%Na 2 O和0-25%K 2 O组成的组,以及以指定比例选择的至多35%的任选成分的总量,所述比例选自0-6%Al2O3,0 -8%B2O3,0-8%Al2O3 + B2O3,0-15%Cu2O,0-5%F,0-35%PbO,0-35%SnO,0-35%PbO + SnO,0-5%ZrO2 ,0-4%SiO2和0-15%MgO + CaO + SrO + BaO + MnO,由0-10%MgO,0-10%CaO,0-10%SrO,0-12%BaO和0 - 10%MnO。