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    Bend Resistant Multimode Optical Fiber
    21.
    发明申请
    Bend Resistant Multimode Optical Fiber 有权
    抗弯曲多模光纤

    公开(公告)号：US20100303428A1

    公开(公告)日：2010-12-02

    申请号：US12770250

    申请日：2010-04-29

    申请人： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Pushkar Tandon

    发明人： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Pushkar Tandon

    IPC分类号： G02B6/028

    CPC分类号： G02B6/0288 ,  G02B6/03627

    摘要： Bend resistant multimode optical fibers are disclosed herein. Multimode optical fibers disclosed herein comprise a core region and a cladding region surrounding and directly adjacent to the core region, the cladding region comprising a depressed-index annular region, wherein the inner boundary of said depressed index region is an extension of the graded index core, the depressed region having a moat volume greater than 105%-um2.

    摘要翻译： 本文公开了抗弯曲多模光纤。 本文公开的多模光纤包括围绕并直接邻近芯区域的芯区域和包层区域，所述包层区域包括凹陷折射率环形区域，其中所述凹陷折射率区域的内边界是渐变折射率核心的延伸 ，凹陷区域具有大于105％的槽口体积--2。

    Large Effective Area Fiber With GE-Free Core
    22.
    发明申请
    Large Effective Area Fiber With GE-Free Core 有权

    公开(公告)号：US20100195966A1

    公开(公告)日：2010-08-05

    申请号：US12696189

    申请日：2010-01-29

    申请人： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Daniel Aloysius Nolan ,  Pushkar Tandon

    发明人： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Daniel Aloysius Nolan ,  Pushkar Tandon

    IPC分类号： G02B6/036

    CPC分类号： C03C13/046 ,  G02B6/02019 ,  G02B6/02395 ,  G02B6/0281 ,  G02B6/0283 ,  G02B6/03627 ,  G02B6/0365

    摘要： According to some embodiments an optical waveguide fiber comprises: (i) a Ge free core having an effective area of 90 μm2 to 160 μm2, at a 1550 nm wavelength, and α value 12≦α≦25, said core comprising: (a) a central core region extending radially outwardly from a centerline to a radius 0 μm≦r0≦2 μm, and having a relative refractive index percent profile Δ0(r) in % measured relative to pure silica, wherein −0.1%≦Δ0(r)≦0.1%, wherein the central core region has a maximum relative refractive index percent, Δ0MAX, (b) a first annular core region surrounding and directly adjacent to the central core region and extending to an outer radius r1, wherein 4.8 μm≦r1≦10 μm, and having a relative refractive index percent profile, Δ1(r) in % measured relative to pure silica, and a minimum relative refractive index, Δ2MIN, and the relative refractive index measured at a radius r=2.5 μm being: −0.15≦Δ1(r=2.5 μm)≦0, and Δ0MAX≧Δ1(r=2.5 μm); (c) a fluorine doped second annular region surrounding and directly adjacent to the first annular core region and extending to a radius 13 μm≦r2≦30 μm and having a negative relative refractive index percent profile, Δ2(r) in %, measured relative to pure silica, with a minimum relative refractive index percent Δ2MIN being: Δ2MIN≦Δ1(r=2.5 μm), and −0.7%≦Δ2MIN≦−0.28%; (ii) a cladding surrounding the core and having a relative refractive index percent Δc(r) in % measured relative to pure silica, and Δc(r)=Δ2MIN±0.3%; wherein the relative refractive index profile of the optical fiber is selected to provide attenuation of no more than 0.175 dB/km at the wavelength of 1550 nm.

    MULTIMODE OPTICAL FIBER AND SYSTEM INCORPORATING SUCH
    30.
    发明申请
    MULTIMODE OPTICAL FIBER AND SYSTEM INCORPORATING SUCH 有权
    多模光纤和系统等

    公开(公告)号：US20130077926A1

    公开(公告)日：2013-03-28

    申请号：US13432553

    申请日：2012-03-28

    申请人： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Xin Chen ,  Ming-Jun Li ,  Pushkar Tandon

    发明人： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Xin Chen ,  Ming-Jun Li ,  Pushkar Tandon

    IPC分类号： G02B6/028

    CPC分类号： G02B6/0288 ,  G02B6/0281

    摘要： According to some embodiments, a multimode optical fiber comprises a graded index glass core with refractive index Δ1, a maximum refractive index delta Δ1MAX, and a core radius between 10 and 40 microns; and cladding region surrounding the core comprising refractive index Δ4, wherein the fiber exhibits an overfilled bandwidth at an operating wavelength in a 900 to 1250 nm wavelength range of greater than 2.5 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 4 GHz-km. According to some embodiments the fiber exhibits an overfilled bandwidth at a wavelength between 950 and 1100 nm which is greater than 10 GHz-km.

    摘要翻译： 根据一些实施例，多模光纤包括具有折射率＆Dgr; 1，最大折射率δ＆Dgr; 1MAX和10至40微米的芯半径的渐变折射率玻璃芯; 以及围绕包含折射率＆Dgr; 4的芯的包覆区域，其中在大于2.5GHz-km的900至1250nm波长范围内的光纤在工作波长处表现出过满的带宽。 根据一些实施方案，光纤在950和1100nm之间的波长上表现出超过4GHz-km的过满的带宽。 根据一些实施例，在大于10GHz-km的波长在950和1100nm之间的光纤表现出过满的带宽。