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    ATHERMAL OPTICAL DEVICE
    3.
    发明公开
    ATHERMAL OPTICAL DEVICE 失效
    无热光学装置

    公开(公告)号：EP0880718A2

    公开(公告)日：1998-12-02

    申请号：EP97924492.0

    申请日：1997-01-16

    申请人： CORNING INCORPORATED

    发明人： BEALL, George, H. ,  WEIDMAN, David, L.

    IPC分类号： C03B32 ,  C03C10 ,  G02B6

    CPC分类号： G02B6/0218 ,  C03C10/0027 ,  G02B6/10 ,  G02B6/2835

    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.

    TRANSPARENT GALLATE GLASS-CERAMICS
    5.
    发明公开
    TRANSPARENT GALLATE GLASS-CERAMICS 审中-公开
    透明玻璃陶瓷

    公开(公告)号：EP1390312A1

    公开(公告)日：2004-02-25

    申请号：EP02731626.4

    申请日：2002-05-03

    申请人： CORNING INCORPORATED

    发明人： BEALL, George, H. ,  PINCKNEY, Linda Ruth ,  SAMSON, Bryce, N.

    IPC分类号： C03C10/02 ,  C03C13/04

    CPC分类号： C03C10/0018

    摘要： Disclosed is a substantially transparent glass-ceramic ceramic, and a method for making a glass-ceramic, exhibiting an aluminogallate spinel crystal phase and having a glass-ceramic composition that lies within the SiO2-Ga¿2O¿3-Al¿2?O3-K2O-Na2O- system and particularly consisting essentially, in weight percent on an oxide basis, of 25-55% SiO2, 9-50% Ga2O3, 7-33% Al2O3, 0-20% K2O, 0-15% Na2O, 0-6 Li2O and 5-30% K2O + Na2O, the glass ceramic microstructure containing a crystal phase comprising at least 5%, by weight, of aluminogallate spinel crystals. Another aspect disclosed is optical element selected from the group consisting of an optical fiber, a gain or laser medium, and an amplifier component, a saturable absorber, with the element comprising a transparent glass-ceramic of the same composition and containing a crystallinity of at least about 5% by weight of aluminogallate spinel crystals.

    摘要翻译： 本发明公开了一种基本透明的玻璃陶瓷陶瓷和一种制造玻璃陶瓷的方法，该玻璃陶瓷具有铝镓酸盐尖晶石晶相并且具有位于SiO 2 -Ga 2 O 3 -Al 2 O 3内的玻璃陶瓷组合物 -K2O-Na2O-体系，特别是以氧化物基准重量百分比为25-55％SiO2,9-50％Ga2O3,7-33％Al2O3,0-20％K2O,0-15％Na2O， 0-6 Li2O和5-30％K2O + Na2O，所述玻璃陶瓷微观结构含有包含至少5重量％的铝硅酸盐尖晶石晶体的结晶相。 所公开的另一方面是从由光纤，增益或激光介质以及放大器部件，可饱和吸收体组成的组中选择的光学元件，所述元件包括具有相同组成的透明玻璃陶瓷并且包含结晶度为 至少约5重量％的铝硅酸盐尖晶石晶体。

    TANTALUM CONTAINING GLASSES AND GLASS CERAMICS
    9.
    发明公开
    TANTALUM CONTAINING GLASSES AND GLASS CERAMICS 审中-公开
    含钽玻璃和玻璃陶瓷

    公开(公告)号：EP1115669A1

    公开(公告)日：2001-07-18

    申请号：EP99930495.9

    申请日：1999-06-21

    申请人： CORNING INCORPORATED

    发明人： AITKEN, Bruce, G. ,  BEALL, George, H. ,  BORRELLI, Nicholas, F. ,  DEJNEKA, Matthew, J.

    IPC分类号： C03C3/062 ,  C03C3/095 ,  C03C3/097 ,  C03C10/02

    CPC分类号： C03C10/0009 ,  C03C3/062 ,  C03C3/097 ,  C03C10/0072

    摘要： The present invention relates to a glass matrix which includes 4-70 wt.% SiO2, 0.5-20 wt.% Al2O3, 0-20 wt.% R2O, 0-30 wt.% R'O, 8-85 wt.% Ta2O5, 0-40 wt.% Nb2O5, and 0.01-1.0 wt.% R''2O3, where R2O + R'O is between about 2-35 wt.%, Ta2O5 + Nb2O5 is between about 8-85 wt.%, R is selected from a group consisting of Li, Na, K, and combinations thereof, R' is selected from a group consisting of Ba, Sr, Ca, Mg, Zn, Pb, and combinations thereof, and R'' is a rare earth element. The present invention also relates to use of the glass matrix in forming optic waveguides such as optic amplifiers. The present invention further relates to a transparent glass ceramic that contains pyrochlore, perovskite, or a combination thereof as its major crystal phase, and includes 4-40 wt.% SiO2, 1-15 wt.% Al2O3, 0-20 wt.% K2O, 0-12 wt.% Na2O, 0-5 wt.% Li2O, 8-85 wt.% Ta2O5, and 0-45 wt.% Nb2O5, wherein Ta2O5 + Nb2O5 is at least about 20 wt.% and (K2O + Li2O + Na2O) is between about 5-20 wt.%. Also disclosed is a method of making the glass ceramic and use of the glass ceramic as a ferro-electric component in electro-optical devices or as a filtering core in an optical filtering device.