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    OPTICAL FIBER WITH LARGE EFFECTIVE AREA
    61.
    发明申请
    OPTICAL FIBER WITH LARGE EFFECTIVE AREA 审中-公开
    具有较大有效面积的光纤

    公开(公告)号：WO2008106033A3

    公开(公告)日：2008-10-16

    申请号：PCT/US2008002209

    申请日：2008-02-20

    Applicant: CORNING INC ,  BICKHAM SCOTT R ,  BOOKBINDER DANA C ,  CHEN XIN ,  LI MING-JUN ,  MISHRA SNIGDHARAJ K ,  NOLAN DANIEL A ,  TANDON PUSHKAR

    Inventor： BICKHAM SCOTT R ,  BOOKBINDER DANA C ,  CHEN XIN ,  LI MING-JUN ,  MISHRA SNIGDHARAJ K ,  NOLAN DANIEL A ,  TANDON PUSHKAR

    IPC: G02B6/02

    CPC classification number: G02B6/02014 ,  G02B6/02019 ,  G02B6/02357 ,  G02B6/02366 ,  G02B6/0365 ,  G02B6/03661 ,  G02B6/03688

    Abstract: An optical fiber comprising: a glass core extending from a centerline to a radius R 1 ; a glass cladding surrounding and in contact with the core, the cladding comprising: a first annular region extending from R 1 to a radius R 2 , the first annular region comprising a radial width, W 2 = R 2 - R 1 , a second annular region extending from R 2 to a radius R 3 , the second annular region comprising a radial width, W 3 = R 3 - R 2 , and a third annular region extending from R 3 to an outermost glass radius R 4 ; wherein (i) the core comprises a maximum relative refractive index, ? 1

    Abstract translation: 一种光纤，包括：从中心线延伸到半径R 1的玻璃芯; 玻璃包层，所述玻璃包层围绕所述芯并且与所述芯接触，所述包层包括：第一环形区域，所述第一环形区域从第一半径延伸至半径R第二半径，所述第一环形区域包括径向的 第二环形区域从第二子区域延伸到半径，第二环形区域从第二子区域延伸到半径 所述第二环形区域包括径向宽度，并且其中，所述第二环形区域包括径向宽度，并且其中，所述第二环形区域包括径向宽度，并且其中， 从R 3延伸至最外侧玻璃半径R 4的第三环形区域; 其中（i）所述核心包含最大相对折射率ρ1

    OPTICAL FIBER WITH LARGE EFFECTIVE AREA
    62.
    发明申请
    OPTICAL FIBER WITH LARGE EFFECTIVE AREA 审中-公开
    具有大面积有效面积的光纤

    公开(公告)号：WO2008106033A2

    公开(公告)日：2008-09-04

    申请号：PCT/US2008/002209

    申请日：2008-02-20

    Applicant: CORNING INCORPORATED ,  BICKHAM, Scott R ,  BOOKBINDER, Dana C ,  CHEN, Xin ,  LI, Ming-jun ,  MISHRA, Snigdharaj K ,  NOLAN, Daniel A ,  TANDON, Pushkar

    Inventor： BICKHAM, Scott R ,  BOOKBINDER, Dana C ,  CHEN, Xin ,  LI, Ming-jun ,  MISHRA, Snigdharaj K ,  NOLAN, Daniel A ,  TANDON, Pushkar

    IPC: G02B6/02

    CPC classification number: G02B6/02014 ,  G02B6/02019 ,  G02B6/02357 ,  G02B6/02366 ,  G02B6/0365 ,  G02B6/03661 ,  G02B6/03688

    Abstract: An optical fiber comprising: a glass core extending from a centerline to a radius R 1 ; a glass cladding surrounding and in contact with the core, the cladding comprising: a first annular region extending from R 1 to a radius R 2 , the first annular region comprising a radial width, W 2 = R 2 - R 1 , a second annular region extending from R 2 to a radius R 3 , the second annular region comprising a radial width, W 3 = R 3 - R 2 , and a third annular region extending from R 3 to an outermost glass radius R 4 ; wherein (i) the core comprises a maximum relative refractive index, Δ 1 MAX , relative to the third annular region; (ii) wherein the first annular region comprises a radial widthW 2 ; and (iii) the second annular region comprises a minimum relative refractive index, Δ 3MIN , relative to the third annular region wherein Δ 1MAX > Δ 2MAX > Δ 3MIN , and Δ 2MIN > Δ 3MIN ; and the core and the cladding provide a fiber with cable cutoff less than 1500 nm, dispersion at 1550 nm less than 12 ps/nm/km, effective area at 1550 nm greater than 60 µm2, and preferably greater than 70 µm2. The second annular cladding region may contain a plurality of randomly dispersed holes.

    Abstract translation: 一种光纤，包括：玻璃芯，其从中心线延伸到半径R 1; 围绕并与芯接触的玻璃包层，所述包层包括：从R 1> 1延伸到半径R 2 2的第一环形区域，所述第一环形区域包括径向 宽度，W 2 2 = R 2 R 1，从R 2 2延伸到半径的第二环形区域 R 3 3，第二环形区域包括径向宽度，W 3 3 = R 3 R 2，以及 从R 3 3延伸到最外玻璃半径R 4的第三环形区域; 其中（i）芯包含最大相对折射率α1

    CLADDING PUMPED FIBRE LASER WITH A HIGH DEGREE OF PUMP ISOLATION
    63.
    发明申请
    CLADDING PUMPED FIBRE LASER WITH A HIGH DEGREE OF PUMP ISOLATION 审中-公开
    具有高度泵分离的分离泵浦光纤激光器

    公开(公告)号：WO2008062227A2

    公开(公告)日：2008-05-29

    申请号：PCT/GB2007050703

    申请日：2007-11-21

    Applicant: GSI GROUP LTD ,  LEWIS STEFFAN

    Inventor： LEWIS STEFFAN

    CPC classification number: H01S3/0675 ,  G02B6/03633 ,  G02B6/03638 ,  G02B6/03688 ,  G02B6/2804 ,  H01S3/06729 ,  H01S3/06745 ,  H01S3/06754 ,  H01S3/094007 ,  H01S3/094011 ,  H01S3/094019 ,  H01S3/09415

    Abstract: An optical fibre laser or amplifier device is disclosed, comprising: a rare-earth-doped multi-clad optical fibre having at least three cladding layers, one or more multimode pump laser diodes, and a means of multiplexing a laser signal and the pumping radiation, adapted so that a fraction of the stray signal light originating within the device is captured by one of the intermediate cladding layers of the rare-earth-doped fibre and guided out of the laser structure through the multiplexing system resulting in a reduction in the amount of stray signal radiation impinging upon the pump laser diodes. Alternatively the device may have a rare-earth-doped multi-clad optical fibre having at least two cladding layers, one or more passive multi-clad optical fibres having at least three cladding layers, one or more multimode pump laser diodes, and a means of multiplexing a laser signal and the pumping radiation, adapted so that a fraction of the stray signal light originating within the device is captured by one of the intermediate cladding layers of the passive multi-clad fibre and guided out of the laser structure through the multiplexing system resulting in a reduction in the amount of stray signal radiation impinging upon the pump laser diodes. Other variations and embodiments are disclosed.

    Abstract translation: 公开了一种光纤激光器或放大器装置，包括：具有至少三个覆层的稀土掺杂多包层光纤，一个或多个多模泵浦激光二极管，以及复用激光信号和泵浦辐射的装置 适于使得源自器件的杂散信号光的一部分被稀土掺杂光纤的中间包层之一捕获，并通过多路复用系统被引导出激光结构，导致量的减少 的杂散信号辐射照射在泵激光二极管上。 或者，该器件可以具有至少具有两个包覆层的稀土掺杂多包层光纤，一个或多个具有至少三个覆层的无源多包层光纤，一个或多个多模泵浦激光二极管，以及装置 多路复用激光信号和泵浦辐射，适于使得源自器件的杂散信号光的一部分被无源多包层光纤的中间包层之一捕获，并通过多路复用被引导出激光结构 系统导致撞击在激光二极管上的杂散信号辐射量的减少。 公开了其它变型和实施例。

    DISPERSION COMPENSATING FIBER FOR LOW DISPERSION SLOPE TRANSMISSION FIBER AND OPTICAL TRANSMISSION LINE UTILIZING SAME
    68.
    发明申请
    DISPERSION COMPENSATING FIBER FOR LOW DISPERSION SLOPE TRANSMISSION FIBER AND OPTICAL TRANSMISSION LINE UTILIZING SAME 审中-公开
    用于低分散斜率传输光纤的分散补充光纤和使用该光纤传输线的光传输线

    公开(公告)号：WO2004008204A1

    公开(公告)日：2004-01-22

    申请号：PCT/US2003/020940

    申请日：2003-07-02

    Applicant: CORNING INCORPORATED

    Inventor： BICKHAM, Scott, R.

    IPC: G02B6/16

    CPC classification number: G02B6/02009 ,  G02B6/02261 ,  G02B6/02271 ,  G02B6/0228 ,  G02B6/0286 ,  G02B6/03677 ,  G02B6/03688 ,  G02B6/29377

    Abstract: A Dispersion Compensation (DC) fiber for low slope transmission fiber (such as a NZDSF) and transmission line including same. The DC fiber has a refractive index profile having a central core with a core delta (ˇ1) value less than 1.8%, a moat surrounding thecentral core having a moat delta (ˇ2) value greater than -0.9%, and a ring surrounding the moat having a positive ring delta (ˇ3). The DC fiber's refractive index profile is selected to provide total dispersion less than -40 and greater than -87 ps/nm/km, and kappa of greater than 165 and less than 270 nm, all at 1550 nm. The DC fiber, when used in a transmission line, may provide low average residual dispersion across the C, L, and C+L when such lines include transmission fibers with a total dispersion between 4 and 10 ps/nm/km and a dispersion slope less than 0.045 ps/nm2/km at 1550 nm.

    Abstract translation: 用于低斜率传输光纤（例如NZDSF）的色散补偿（DC）光纤和包括其的传输线。 DC纤维具有折射率分布，其中心芯具有小于1.8％的核心三角形（＆Hacek＆1）值，围绕中心芯的护城河具有大于-0.9％的护城河三角洲（＆Hacek＆2），以及环 围绕具有正环形三角洲（＆hacek＆3）的护城河。 选择DC纤维的折射率分布以提供小于-40且大于-87ps / nm / km的总色散，并且大于165且小于270nm的κ全部为1550nm。 当用于传输线路时，DC纤维可以在C，L和C + L两端提供低的平均残留色散，当这种线包括总色散在4和10ps / nm / km之间的传输光纤和色散斜率 在1550nm处小于0.045ps / nm 2 / km。

    DISPERSION AND DISPERSION SLOPE COMPENSATING OPTICAL FIBER
    69.
    发明申请
    DISPERSION AND DISPERSION SLOPE COMPENSATING OPTICAL FIBER 审中-公开
    分散和分散光栅补偿光纤

    公开(公告)号：WO03007035A3

    公开(公告)日：2003-10-02

    申请号：PCT/US0220845

    申请日：2002-07-02

    Applicant: CORNING INC

    Inventor： ZHANG LU

    IPC: G02B6/036 ,  G02B6/02 ,  H04B10/18 ,  G02B6/16 ,  G02B6/22

    CPC classification number: G02B6/02261 ,  G02B6/0228 ,  G02B6/0286 ,  G02B6/03677 ,  G02B6/03688 ,  H04B10/2525

    Abstract: A DCF adapted to compensate for dispersion and slope of a length of SMF in the C-band window that includes a core surrounded by a cladding layer of refractive index Deltac. The core includes at least three radially adjacent segments, a central core segment having a positive Delta1, a moat segment having a negative refractive index Delta2, and a ring segment having a positive refractive index Delta3, wherein Delta1 >Delta3> Deltac> Delta2. The DCF exhibits a negative Dispersion Slope (DS), where DS

    Abstract translation: DCF，其适于补偿包括由折射率Deltac包层包围的芯的C波段窗口中的SMF长度的色散和斜率。 芯包括至少三个径向相邻的段，具有正的Δ1的中心芯段，具有负折射率Delta2的护环段和具有正折射率Delta3的环段，其中Delta1> Delta3> Deltac> Delta2。 DCF表现出负色散斜率（DS），其中在1546nm处的DS <-0.29（ps / nm <2·Km），色散（D），其中-100 -120

    DISPERSION AND DISPERSION SLOPE COMPENSATING FIBER AND OPTICAL TRANSMISSION SYSTEM UTILIZING SAME
    70.
    发明申请
    DISPERSION AND DISPERSION SLOPE COMPENSATING FIBER AND OPTICAL TRANSMISSION SYSTEM UTILIZING SAME 审中-公开
    分散和分散光栅补偿光纤和光传输系统

    公开(公告)号：WO2003050578A1

    公开(公告)日：2003-06-19

    申请号：PCT/US2002/035804

    申请日：2002-11-07

    Applicant: CORNING INCORPORATED

    Inventor： QI, Gang ,  WOOD, William, A.

    IPC: G02B6/18

    CPC classification number: G02B6/02004 ,  G02B6/02261 ,  G02B6/0228 ,  G02B6/03677 ,  G02B6/03688

    Abstract: A dispersion and dispersion slope compensating optical fiber (10) includes a segmented core (12, 14, 16, 18) and a cladding layer (20) wherein the refractive index profile is selected to provide a dispersion having a maximum deviation of less than 7 ps/nm-km over a wavelength band from 1550 nm to 1610 run. According to a further embodiment of the invention, a dispersion compensating optical fiber is provided having a refractive index profile with a central core segment having a positive relative refractive index; a depressed moat segment on a periphery of the central core segment having a relative refractive index that is more negative than -1.2 %; and an annular ring segment outward from the depressed moat segment having a relative refractive index that is greater than 1.2 %.

    Abstract translation: 色散和色散斜率补偿光纤（10）包括分段芯（12,14,16,18）和包覆层（20），其中选择折射率分布以提供具有小于7的最大偏差的分散体 从1550nm到1610nm的波长带的ps / nm-km。 根据本发明的另一实施例，提供了一种具有折射率分布的色散补偿光纤，中心芯段具有正的相对折射率; 在中心芯部分的周边上具有比-1.2％更负的相对折射率的凹陷槽段; 以及从凹陷的护城河段向外的具有大于1.2％的相对折射率的环形环段。

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