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    METHOD OF MAKING POLARIZATION RETAINING FIBER
    121.
    发明专利
    METHOD OF MAKING POLARIZATION RETAINING FIBER 未知

    公开(公告)号：CA2060016A1

    公开(公告)日：1993-01-12

    申请号：CA2060016

    申请日：1992-01-24

    Applicant: CORNING INC

    Inventor： BERKEY GEORGE E ,  HAWK ROBERT M ,  TARCZA STEVEN H

    IPC: C03B37/012 ,  C03B37/014 ,  C03B37/027 ,  G02B6/024

    Abstract: Disclosed is a method of making a polarization retaining single-mode optical fiber. There is initially formed a draw blank having diametrically opposed longitudinal apertures in the cladding glass parallel to the core glass region. The draw blank is drawn into a fiber under such conditions that the apertures close as the fiber is being drawn. The flow of surrounding glass, including the core glass region, toward the collapsing apertures, causes the core to assume an elliptical shape. The apertures are of such cross-sectional area and spacing from the core that the core develops the desired aspect ratio.

    METHOD OF MAKING FIBER OPTIC COUPLERS
    122.
    发明专利
    METHOD OF MAKING FIBER OPTIC COUPLERS 未知

    公开(公告)号：CA2006346A1

    公开(公告)日：1991-01-17

    申请号：CA2006346

    申请日：1989-12-21

    Applicant: CORNING INC

    Inventor： BERKEY GEORGE E ,  KROWIAK MARK T ,  SAUNDERS DANIEL P

    IPC: G02B6/26 ,  C03B23/047 ,  G02B6/24 ,  G02B6/255 ,  G02B6/28

    Abstract: A fiber optic coupler is formed by providing a glass tube having a longitudinal aperture extending therethrough. Protective coating is removed from a region of a first optical fiber intermediate the ends thereof. Protective coating is removed from an end region of at least one other optical fiber. The coated portion of the first fiber is threaded through the tube until the uncoated region thereof is near the tube end. The uncoated region of the second fiber is placed adjacent that of the first fiber, and both uncoated regions are simultaneously fed into the tube aperture. After the threading operation has continued until the uncoated regions extend through the midregion of the tube, the midregion is heated to collapse it about the fibers, and the central portion of the midregion is drawn to reduce the diameter thereof over a predetermined length.

    FIBER OPTIC COUPLER AND METHOD
    123.
    发明专利
    FIBER OPTIC COUPLER AND METHOD 未知

    公开(公告)号：CA1267803A

    公开(公告)日：1990-04-17

    申请号：CA513865

    申请日：1986-07-15

    Applicant: CORNING INC

    Inventor： BERKEY GEORGE E

    IPC: C03B23/047 ,  C03B37/012 ,  C03B37/025 ,  C03B37/14 ,  G02B6/28

    Abstract: A low loss fiber optic coupler is fabricated by forming a coupler preform having a plurality of spaced glass cores extending longitudinally through a matrix of glass having a refractive index lower than that of the cores. The coupler preform is formed by inserting a plurality of coated optical fiber preform rods into an aperture extending axially through an elongated boule of relatively etchable matrix glass. The cladding portion of the rods, which is relatively etch-resistant, is coated with a layer of etchable glass. The coupler preform is heated and stretched to form a glass rod which is then severed into a plurality of units. Heat is applied to the central region of each unit, and the central region is elongated and tapered inwardly. When an end of the unit is immersed in acid, the matrix glass dissolves, thereby leaving the unit cores and surrounding etch-resistant cladding glass protruding from the newly formed endface of the unit.

    MONOLITHIC COAXIAL DEVICE
    127.
    发明公开
    MONOLITHIC COAXIAL DEVICE 审中-公开
    MONOLITHISCHES KOAXIALES宝石

    公开(公告)号：EP1108234A4

    公开(公告)日：2005-06-15

    申请号：EP99938705

    申请日：1999-06-25

    Applicant: CORNING INC

    Inventor： BERKEY GEORGE E ,  NOLAN DANIEL A

    IPC: G02B6/00 ,  G02B6/02 ,  G02B6/036 ,  G02B6/14 ,  G02B6/287 ,  G02B6/293 ,  G02B6/34 ,  G02B6/22

    CPC classification number: G02B6/29395 ,  G02B6/02052 ,  G02B6/03627 ,  G02B6/03633 ,  G02B6/03638 ,  G02B6/03644 ,  G02B6/0365 ,  G02B6/12007 ,  G02B6/14 ,  G02B6/29332 ,  G02B6/29355 ,  H01S2301/04

    Abstract: The present invention provides environmentally stable interferometric and lattice devices that exhibit low excess loss and polarization dependent loss. The modal noise at the splices between the device pigtails and the system fiber is minimized or eliminated. The present invention is an optical device (10) for filtering a light signal. The optical device (10) has a tunable spectral response. The optical device includes a first optical fiber (25) having a first core region (30) and a cladding (34) with refractive index n2. The first core region (30) includes a core (32) having refractive index n1 and a first fiber coupling regulator (300) integral with the first optical fiber (25). The first fiber coupling regulator (300) couples the light signal between a first optical path and second optical path and substantially prevents the light signals from coupling into a third optical path.

    Abstract translation: 本发明提供了表现出低过量损失和偏振相关损耗的环境稳定的干涉式和晶格装置。 设备尾纤与系统光纤之间接头处的模态噪声被最小化或消除。 本发明是一种用于过滤光信号的光学装置（10）。 光学装置（10）具有可调谐的光谱响应。 该光学器件包括具有第一芯区（30）和折射率为n2的包层（34）的第一光纤（25）。 第一纤芯区域（30）包括具有折射率n1的纤芯（32）和与第一光纤（25）一体的第一光纤耦合调节器（300）。 第一光纤耦合调节器（300）将光信号耦合在第一光路和第二光路之间并且基本上防止光信号耦合到第三光路中。

    METHOD OF MAKING FIBER OPTIC COUPLERS
    129.
    发明公开
    METHOD OF MAKING FIBER OPTIC COUPLERS 失效
    VERFAHREN ZUR HERSTELLUNG VON FASEROPTISCHEN KIPPLERN

    公开(公告)号：EP0865619A4

    公开(公告)日：1998-12-23

    申请号：EP96944316

    申请日：1996-11-26

    Applicant: CORNING INC

    Inventor： BERKEY GEORGE E

    IPC: G02B6/287 ,  G02B6/28 ,  G02B6/26 ,  C03B37/023

    CPC classification number: G02B6/2835 ,  G02B6/2856 ,  G02B2006/2865

    Abstract: Overclad fiber optic couplers are made by inserting the uncoated portions of a plurality of optical fibers into the bore (14) of a glass tube, collapsing the tube midregion (15) onto the fibers and stretching the central portion of the tube midregion. The present method utilizes a glass tube (10) the bore of which includes a circular portion and a recess. A plurality of optical fibers (21, 22) are sequentially inserted into the tube by threading the coated end into the circular bore portion until the uncoated portion of fiber (23, 24) is centered in the tube. The uncoated portion of fiber is then transferred laterally into the bore (14) recess. After all fibers have been threaded into the circular bore portion and transferred to the recess, a filler fiber (28) is inserted into the circular bore portion. The resultant coupler exhibits low excess loss.

    Abstract translation: 通过将多根光纤的未涂覆部分插入玻璃管的孔（14）中，使管中间区（15）塌陷到纤维上并拉伸管中部区域的中心部分来制造外包光纤耦合器。 本方法使用玻璃管（10），玻璃管的孔的孔包括圆形部分和凹槽。 通过将涂覆的端部拧入圆形孔部分中直到光纤（23,24）的未涂覆部分在管中居中为止，将多根光纤（21,22）顺序地插入管中。 然后将未涂覆的纤维部分横向转移到孔（14）的凹槽中。 在所有纤维已被拧入圆形孔部分并转移至凹部后，将填充纤维（28）插入圆形孔部分中。 所得的成色剂表现出低的过量损失。

    METHOD OF MAKING OPTICAL FIBERS
    130.
    发明公开
    METHOD OF MAKING OPTICAL FIBERS 失效
    VERFAHREN ZUM HERSTELLEN OPTISCHER FASERN

    公开(公告)号：EP0835227A4

    公开(公告)日：1998-08-19

    申请号：EP97927608

    申请日：1997-04-21

    Applicant: CORNING INC

    Inventor： BERKEY GEORGE E

    IPC: G02B6/028 ,  C03B37/012 ,  C03B37/018 ,  C03B37/027 ,  G02B6/18 ,  G02B6/22

    CPC classification number: G02B6/02247 ,  C03B37/01211 ,  C03B37/01248 ,  C03B37/01446 ,  C03B37/01493 ,  C03B2203/18 ,  C03B2203/36 ,  G02B6/03644

    Abstract: A preform (94) for making an optical fiber is made by depositing silica soot (91) around a tube (90). Pieces of differing glass compositions (81, 82) are placed in the bore of the tube. This preform is then sintered, fused and collapsed. A draw blank is obtained which can be drawn into a low-loss, dispersion managed, single-mode optical fiber.

    Abstract translation: 用于制造光纤的预成型件（94）通过将二氧化硅烟炱（91）沉积在管（90）周围而制成。 将不同的玻璃组合物（81,82）放置在管的孔中。 然后将该预成型件烧结，熔化并折叠。 获得可绘制成低损耗，色散管理的单模光纤的拉丝坯料。

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