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26 条记录 (耗时 0.012 秒)

    DISPERSION COMPENSATING FIBER
    2.
    发明公开
    DISPERSION COMPENSATING FIBER 审中-公开
    分散补偿纤维

    公开(公告)号：EP1175632A1

    公开(公告)日：2002-01-30

    申请号：EP00926319.5

    申请日：2000-04-24

    申请人： CORNING INCORPORATED

    发明人： BERKEY, George, E. ,  JIANG, Lei ,  POWERS, Dale, R. ,  SRIKANT, V.

    IPC分类号： G02B6/16

    CPC分类号： G02B6/03688 ,  C03B37/01413 ,  C03B37/01446 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/26 ,  C03B2203/36 ,  C03B2207/36 ,  G02B6/02261 ,  G02B6/03677

    摘要： Disclosed is a dispersion compensating optical fiber that includes a core surrounded by a cladding layer of refractive index nCL. The core includes at least three radially adjacent regions, a central core region, a moat region having a refractive index nM that is sufficiently lower than nCL such that ΔM ≤ -0.4 %, and a ring region. As the ring region exhibits sufficiently high refractive index at a sufficiently long distance from the outer edge of the moat region, the fiber can exhibit low values of negative dispersion slope at low values of negative dispersion and yet exhibit good bending loss. This ring region is also capable of imparting to the fiber a relatively high cutoff wavelength, so that the present invention is particularly well suited for use in L-band systems. A particularly suitable fiber has an index profile in which that part of the ring region at the transition between the moat and the ring region has a refractive index such that its delta value is close to zero. Also disclosed is a method of forming the fiber of the present invention.

    摘要翻译： 公开了一种色散补偿光纤，其包括由折射率为n CL的包层围绕的芯。 芯包括至少三个径向相邻区域，中心芯区，具有足够低于nCL的折射率nM（使得ΔM≤-0.4％）的壕沟区和环区。 由于环形区域在距离壕沟区域的外边缘足够长的距离处显示出足够高的折射率，所以在负色散的低值处纤维可呈现低的负色散斜率值，并且还表现出良好的弯曲损耗。 该环形区域还能够赋予光纤相对较高的截止波长，从而本发明特别适用于L波段系统。 特别合适的光纤具有折射率分布，其中在壕沟和环形区域之间的过渡处的环形区域的那部分具有使得其Δ值接近于零的折射率。 还公开了形成本发明的纤维的方法。

    METHOD OF MAKING OPTICAL FIBERS
    3.
    发明公开
    METHOD OF MAKING OPTICAL FIBERS 审中-公开
    用于生产光纤

    公开(公告)号：EP1171789A1

    公开(公告)日：2002-01-16

    申请号：EP00918405.2

    申请日：2000-03-23

    申请人： CORNING INCORPORATED

    发明人： BERKEY, George, E. ,  SRIKANT, V.

    IPC分类号： G02B6/18

    CPC分类号： G02B6/02009 ,  C03B37/0253 ,  C03B37/027 ,  C03B37/02736 ,  C03B2203/06 ,  C03B2203/18 ,  C03B2203/24 ,  C03B2203/36 ,  C03B2205/40 ,  G02B6/02242 ,  G02B6/02247 ,  G02B6/0286 ,  G02B6/03611 ,  G02B6/03644

    摘要： The optical fiber alternates between regions having different dia meters along its length, wherein the refractive index and the diameters of said fiber result in alternating regions of positive and negative dispersion at a wavelength greater than 1480 nm, yet preferably has a low net dispersion and dispersion slope. A preferred profile consists of a core region surrounded by a cladding region, said core region comprising a central core region updoped with respect to said cladding region, said central core region surrounded by a moat region downdoped with respect to said cladding region, said moat region surrounded by an annular region updoped with respect to said cladding region. The family of profiles presented when used in conjunction with alternating positive and negative dispersion regions produce low dispersion slope fibers. The family of profiles is useful in conventional WDM applications.

    MONOLITHIC COAXIAL DEVICE
    5.
    发明公开
    MONOLITHIC COAXIAL DEVICE 审中-公开
    整体同轴装置

    公开(公告)号：EP1108234A1

    公开(公告)日：2001-06-20

    申请号：EP99938705.3

    申请日：1999-06-25

    申请人： CORNING INCORPORATED

    发明人： BERKEY, George, E. ,  NOLAN, Daniel, A.

    IPC分类号： G02B6/26

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

    摘要： 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.

    摘要翻译： 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 OPTICAL FIBERS
    6.
    发明公开
    METHOD OF MAKING OPTICAL FIBERS 审中-公开
    用于生产光纤

    公开(公告)号：EP1073920A1

    公开(公告)日：2001-02-07

    申请号：EP99917390.9

    申请日：1999-04-09

    申请人： Corning Incorporated

    发明人： BERKEY, George, E.

    IPC分类号： G02B6/02 ,  C03B37/02

    CPC分类号： G02B6/02242 ,  C03B37/0253 ,  C03B37/027 ,  C03B37/02736 ,  C03B2203/06 ,  C03B2203/18 ,  C03B2203/24 ,  C03B2203/36 ,  C03B2205/40 ,  G02B6/02247 ,  G02B6/03611 ,  G02B6/03644

    摘要： An optical fiber and method of making, wherein the optical fiber alternates between regions having different diameters along its length, wherein the refractive index of said blank and the diameters of said fiber are chosen to result in a fiber having alternating regions of positive and negative dispersion at a wavelength which is greater than 1480 nm, yet preferably has a low net dispersion and dispersion slope. A preferred such profile consists of a core region surrounded by a cladding region, said core region comprised of a central core region which is updoped with respect to said cladding region, said central core region surrounded by a moat region which is downdoped with respect to said cladding region, and said moat region is surrounded by an annular ring region which is updoped with respect to said cladding region.

    WAVEGUIDE PROFILE FOR LARGE EFFECTIVE AREA
    7.
    发明公开
    WAVEGUIDE PROFILE FOR LARGE EFFECTIVE AREA 审中-公开
    OPTIC天寒大有效面积

    公开(公告)号：EP1027623A1

    公开(公告)日：2000-08-16

    申请号：EP98952178.6

    申请日：1998-10-06

    申请人： CORNING INCORPORATED

    发明人： LIU, Yanming ,  BERKEY, George, E.

    IPC分类号： G02B6/16 ,  G02B6/22

    CPC分类号： G02B6/03627 ,  G02B6/02019 ,  G02B6/02238 ,  G02B6/0228 ,  G02B6/0281 ,  G02B6/0283 ,  G02B6/03611

    摘要： Disclosed is a single mode optical waveguide fiber having a segmented core design. The core may have two or more segments. The highest refractive index portion (41) of the core is spaced apart from the centerline of the waveguide fiber. The relative index of the first or center segment (21) of the core is negative, where the reference refractive index is taken to be the minimum index clad. This family of core profiles provides effective areas in the range of 110 νm2 to 150 νm2 in the operating window around 1550 nm. Dashed lines (6) show alternative shapes for the index profiles (2 and 4). The negative relative index annular region illustrated by dashed line (5) shows the optional third core region having a negative relative index, using the minimum clad index as the reference index.

    METHOD OF MAKING FIBER OPTIC COUPLERS
    8.
    发明公开
    METHOD OF MAKING FIBER OPTIC COUPLERS 失效
    用于生产光纤KIPPLERN

    公开(公告)号：EP0865619A1

    公开(公告)日：1998-09-23

    申请号：EP96944316.0

    申请日：1996-11-26

    申请人： CORNING INCORPORATED

    发明人： BERKEY, George, E.

    IPC分类号： G02B6

    CPC分类号： G02B6/2835 ,  G02B6/2856 ,  G02B2006/2865

    摘要： 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.

    OPTICAL FIBER LIGHT SOURCE BASED ON THIRD-HARMONIC GENERATION
    10.
    发明公开
    OPTICAL FIBER LIGHT SOURCE BASED ON THIRD-HARMONIC GENERATION 有权
    光纤光源基于第三谐波的制造

    公开(公告)号：EP2106569A1

    公开(公告)日：2009-10-07

    申请号：EP08726078.2

    申请日：2008-02-26

    申请人： Corning Incorporated

    发明人： BERKEY, George, E. ,  LI, Ming-jun ,  LI, Shenping ,  NOLAN, Daniel, A.

    IPC分类号： G02F1/35

    CPC分类号： G02F1/3536 ,  G02B6/03605 ,  G02B6/03644 ,  G02F1/365 ,  G02F2001/354

    摘要： An optical-fiber-based light source that generates light via third-harmonic (TH) generation is disclosed. The light source includes a pump light source that provides pump light having a fundamental mode of wavelength λp. The light source also includes an optical fiber optically coupled to the pump light source. The optical fiber's core refractive index profile has (i) a central region with a refractive index value Δ1, (ii) a first annular region immediately surrounding the central region and having a refractive index value Δ2, and (iii) a second annular region immediately surrounding the first annular region and having a refractive index value Δ3. The optical fiber satisfies the conditions Δ2 1.2%. The pump light produces TH-generated light having a higher-order mode of wavelength λTH = (1/3) λρ and that is outputted at the optical fiber output end. The pump light fundamental mode overlaps the TH-generated-light higher order mode over the length of the optical fiber to provide a conversion efficiency of 1% or greater.