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    Optical fiber with large effective area
    21.
    发明授权
    Optical fiber with large effective area 失效
    光纤有效面积大

    公开(公告)号：US07603015B2

    公开(公告)日：2009-10-13

    申请号：US12070845

    申请日：2008-02-21

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

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

    IPC: G02B6/02 ,  G02B6/36

    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 R1; a glass cladding surrounding and in contact with the core, the cladding comprising: a first annular region extending from R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, a second annular region extending from R2 to a radius R3, the second annular region comprising a radial width, W3=R3−R2, and a third annular region extending from R3 to an outermost glass radius R4; wherein (i) the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region; (ii) wherein the first annular region comprises a radial width W2; and (iii) the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN; 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：从中心线延伸到半径R1的玻璃芯; 围绕并与芯接触的玻璃包层，所述包层包括：从R1延伸到半径R2的第一环形区域，所述第一环形区域包括径向宽度W2 = R2-R1，从R2延伸到第二环形区域 半径R3，第二环形区域包括径向宽度，W3 = R3-R2，以及从R3延伸到最外侧玻璃半径R4的第三环状区域; 其中（i）所述芯包括相对于所述第三环形区域的最大相对折射率Delta1MAX; （ii）其中所述第一环形区域包括径向宽度W2; 和（iii）第二环形区域包括相对于第三环形区域的最小相对折射率Delta3MIN，其中Delta1MAX> Delta2MAX> Delta3MIN和Delta2MIN> Delta3MIN; 并且芯和包层提供具有小于1500nm的电缆截止的光纤，在1550nm处的色散小于12ps / nm / km，在1550nm处的有效面积大于60mum2，优选大于70mum2。 第二环形包层区域可以包含多个随机分布的孔。

    Low attenuation non-zero dispersion shifted optical fiber
    22.
    发明授权
    Low attenuation non-zero dispersion shifted optical fiber 失效
    低衰减非零色散位移光纤

    公开(公告)号：US07426327B2

    公开(公告)日：2008-09-16

    申请号：US11603450

    申请日：2006-11-22

    Applicant: Snigdharaj Kumar Mishra

    Inventor： Snigdharaj Kumar Mishra

    IPC: G02B6/02

    CPC classification number: G02B6/03638 ,  G02B6/02014 ,  G02B6/02223 ,  G02B6/02242 ,  G02B6/02271 ,  G02B6/0281 ,  G02B6/03633

    Abstract: An optical waveguide fiber having a zero-dispersion wavelength less than 1450 nm, a dispersion slope at a wavelength of 1550 of less than 0.06 ps/nm2/km nm, and attenuation at a wavelength of 1550 nm less than 0.190 dB/km. Optical fibers are disclosed that exhibit an effective area at a wavelength of 1550 nm of greater than 50 μm2, and dispersion at a wavelength of 1550 nm between 5 and 15 ps/nm-km.

    Abstract translation: 具有小于1450nm的零色散波长，小于0.06ps / nm 2 / km nm的波长1550的色散斜率和1550nm波长处的衰减的光波导光纤 小于0.190 dB / km。 公开了在1550nm的波长下显示大于50mum 2的有效面积和在5和15ps / nm-km之间的波长为1550nm的色散。

    Large effective area optical fiber with low bend loss
    24.
    发明授权
    Large effective area optical fiber with low bend loss 有权
    具有低弯曲损耗的大面积有效面积的光纤

    公开(公告)号：US08538219B2

    公开(公告)日：2013-09-17

    申请号：US12915388

    申请日：2010-10-29

    Applicant: Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon

    Inventor： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Pushkar Tandon

    IPC: G02B6/02

    CPC classification number: G02B6/03683 ,  G02B6/02019

    Abstract: An optical fiber includes a central glass core region comprising maximum refractive index delta percent Δ1, a first inner annular region surrounding said core comprising refractive index delta percent Δ2, a depressed annular region surrounding said inner annular region and comprising Δ3 and a third annular region surrounding the depressed annular region comprising refractive index delta percent Δ4; wherein Δ1MAX>Δ4>Δ2>Δ3. The difference between Δ4 and Δ2 is greater than 0.01% and profile volume, |V3| is at least 10%-μm2. The fibers exhibit an effective area at 1550 nm which is greater than 110 μm2.

    Abstract translation: 光纤包括中心玻璃芯区域，其包括最大折射率Δ百分比Δ1，围绕所述芯的第一内环形区域，包括折射率Δ百分比Δ2，环绕所述内环形区域的凹陷环形区域，包括Delta3和包围第三环形区域 凹陷的环形区域包括折射率Δ百分比Δ4; 其中Delta1MAX> Delta4> Delta2> Delta3。 Delta4和Delta2之间的差值大于0.01％，曲线体积| V3 | 至少为10％-mum2。 纤维在1550nm处表现出大于110mum2的有效面积。

    LOW BEND LOSS OPTICAL FIBER
    26.
    发明申请
    LOW BEND LOSS OPTICAL FIBER 有权
    低弯损失光纤

    公开(公告)号：US20120294575A1

    公开(公告)日：2012-11-22

    申请号：US13473654

    申请日：2012-05-17

    Applicant: Paul Andrew Chludzinski ,  Dominick Fiordimalva ,  Peter Gottfried Hebgen ,  Snigdharaj Kumar Mishra ,  Sonya Marie Raney

    Inventor： Paul Andrew Chludzinski ,  Dominick Fiordimalva ,  Peter Gottfried Hebgen ,  Snigdharaj Kumar Mishra ,  Sonya Marie Raney

    IPC: G02B6/02

    CPC classification number: G02B6/03672 ,  G02B6/02223

    Abstract: An optical fiber includes a central glass core region comprising maximum refractive index delta percent Δ1, a first inner annular region surrounding said core comprising refractive index delta percent Δ2, a depressed annular region surrounding said inner annular region and comprising Δ3 and a third annular region surrounding the depressed annular region comprising refractive index delta percent Δ4; wherein the third annular region comprises chlorine an amount greater than 0.2 weight percent in a region which is within 5 microns from the depressed annular region, wherein Δ1MAX>Δ4>Δ2>Δ3. The difference between Δ4 and Δ2 is greater than 0.01 and profile volume, |V3| is at least 50% Δμm2.

    Abstract translation: 光纤包括包含最大折射率Δ百分比Dgr的中心玻璃芯区域; 1，围绕所述芯的第一内环形区域，包括折射率Δ百分比Dgr; 2，包围所述内环形区域的凹陷环形区域， 围绕所述凹陷的环形区域的第三环形区域包括折射率Δ百分比Dgr; 4; 其中所述第三环形区域在距离所述凹陷环形区域在5微米以内的区域中包含大于0.2重量％的量的氯，其中＆D 1; ＆Dgr; 4和＆Dgr; 2之间的区别大于0.01和配置文件卷| V3 | 至少为50％＆Dgr;μm2。

    Large effective area fiber with Ge-free core
    27.
    发明授权
    Large effective area fiber with Ge-free core 有权

    公开(公告)号：US08315495B2

    公开(公告)日：2012-11-20

    申请号：US12696189

    申请日：2010-01-29

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

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

    IPC: G02B6/036

    CPC classification number: C03C13/046 ,  G02B6/02019 ,  G02B6/02395 ,  G02B6/0281 ,  G02B6/0283 ,  G02B6/03627 ,  G02B6/0365

    Abstract: 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.

    Large effective area fiber
    28.
    发明授权
    Large effective area fiber 有权
    大面积纤维有效面积

    公开(公告)号：US07555187B2

    公开(公告)日：2009-06-30

    申请号：US12151171

    申请日：2008-05-05

    Applicant: Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Xin Chen ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Daniel Aloysius Nolan

    Inventor： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Xin Chen ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Daniel Aloysius Nolan

    IPC: G02B6/036

    CPC classification number: G02B6/0365 ,  G02B6/02019

    Abstract: An optical fiber according to an embodiment of the present invention comprises: a glass core extending from a centerline to a radius R1 wherein R1 is greater than about 5 μm; a glass cladding surrounding and in contact with the core, the cladding comprising: (i) a first annular region extending from the radius R1 to a radius R2, the first annular region comprising a radial width, W2=R2−R1, (ii) a second annular region extending from the radius R2 to a radius R3, and comprising a radial width, W3=R3−R2, and (iii) a third annular region surrounding the second annular region and extending from the radius R3 to an outermost glass radius R4; wherein the core comprises a maximum relative refractive index, Δ1MAX, relative to the third annular region, and wherein Δ1MAX is greater than about 0.1% and less than about 0.3%; the first annular region has a refractive index delta Δ2(r) is less than about 0.025%; wherein the second annular region comprises a minimum relative refractive index, Δ3MIN, relative to the third annular region;wherein Δ1MAX>Δ2MAX>Δ3MIN, and Δ2MIN>Δ3MIN

    Abstract translation: 根据本发明实施例的光纤包括：从中心线延伸到半径R1的玻璃芯，其中R1大于约5μm; 所述包层包括：（i）从所述半径R1延伸到半径R2的第一环形区域，所述第一环形区域包括径向宽度，W2 = R2-R1，（ii） 从半径R2延伸到半径R3并且包括径向宽度W3 = R3-R2的第二环形区域，以及（iii）围绕第二环形区域并且从半径R3延伸到最外侧玻璃半径的第三环形区域 R4; 其中所述芯包括相对于所述第三环形区域的最大相对折射率Delta1MAX，并且其中Δ1MAX大于约0.1％且小于约0.3％; 第一环形区域的折射率差Δ2（r）小于约0.025％; 其中所述第二环形区域相对于所述第三环形区域包括最小相对折射率Delta3MIN; 其中Delta1MAX> Delta2MAX> Delta3MIN和Delta2MIN> Delta3MIN <0; 并且其中芯和包层提供具有小于1500nm的电缆截止的光纤，并且在1550nm处的有效面积大于95mum2，并且在20mm直径的心轴上的弯曲损耗为<= 0.5dB /匝。

    Large Effective Area Optical Fiber
    29.
    发明申请
    Large Effective Area Optical Fiber 有权
    大型有效面积光纤

    公开(公告)号：US20090148113A1

    公开(公告)日：2009-06-11

    申请号：US12256573

    申请日：2008-10-23

    Applicant: Scott Robertson Bickham ,  Xin Chen ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra

    Inventor： Scott Robertson Bickham ,  Xin Chen ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra

    IPC: G02B6/036

    CPC classification number: G02B6/03688 ,  G02B6/02271 ,  G02B6/0281

    Abstract: An optical fiber comprising: (i) a glass core (20) extending from a centerline and including a central core region (22) with an alpha value of less than 2, a first annular core region (24) surrounding the central core region (22), and a second annular core region (26) surrounding the first annular core region (24), wherein the second annular core region (26) has a higher maximum relative refractive index percent Δ26MAX than that maximum relative refractive index percent Δ24MAX of the first annular core region (24); and (ii) a glass cladding (30) surrounding and in contact with the core (20), the cladding comprising: (a) a first annular cladding region (32) extending from a radius R32 to a radius R34, (b) a second annular cladding region (34) extending from the radius R34 to a radius R36, (c) a third annular cladding region (36) surrounding the second annular region (34) and extending from the radius R34 to an outermost glass radius R36; wherein the core (20) comprises a maximum relative refractive index percent, ΔCMAX; wherein said first annular cladding region (32) comprises relative refractive index percent Δ32(r) % the second annular cladding region (34) comprises a minimum relative refractive index percent, Δ34 MIFN, wherein ΔCMAX>Δ32MAX>Δ34MIN, and Δ34MIN

    Abstract translation: 一种光纤，包括：（i）玻璃芯（20），其从中心线延伸并且包括具有小于2的α值的中心芯区域（22）;围绕所述中心芯区域的第一环形芯区域（24） 22）和围绕所述第一环形芯区域（24）的第二环形芯区域（26），其中所述第二环形芯区域（26）具有比所述第二环形芯区域（24）的最大相对折射率百分比ΔAMAX 第一环形芯区域（24）; 围绕和与芯（20）接触的玻璃包层（30），所述包层包括：（a）从半径R32延伸到半径R34的第一环形包层区域（32），（b） 从半径R34延伸到半径R36的第二环形包层区域（34），（c）围绕第二环形区域（34）并从半径R34延伸到最外侧玻璃半径R36的第三环形包层区域（36） 其中所述芯部（20）包括最大相对折射率百分比ΔCMAX; 其中所述第一环形包层区域（32）包括相对折射率百分比Δ32（r）％，所述第二环形包层区域（34）包括最小相对折射率百分比，Δ34MIFN，其中DeltaCMAX> Delta32MAX> Delta34MIN和Delta34MIN <-0.1 ; 并且其中所述芯和所述包层提供光纤，所述光纤具有小于1500nm的电缆，1550nm处的色散为3psps / nm / km，在1550nm处的有效面积大于75mum2。 第二环形包层区域可以包含多个随机分布的孔。

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