Low bend loss optical fiber
    44.
    发明授权
    Low bend loss optical fiber 有权
    低弯曲损耗光纤

    公开(公告)号:US08666214B2

    公开(公告)日:2014-03-04

    申请号:US13680676

    申请日:2012-11-19

    摘要: One embodiment of a single mode optical fiber includes: a graded index central core region having outer radius r1 and relative refractive index Δ1; a cladding region comprising (i) a first inner cladding region having an outer radius r2 10 microns and comprising a minimum relative refractive index Δ3, wherein said second inner cladding region has at least one region with a relative refractive index delta that becomes more negative with increasing radius; and (iii) an outer cladding region surrounding the second inner cladding region and comprising relative refractive index Δ4, wherein Δ1>Δ2>Δ3, Δ3

    摘要翻译: 单模光纤的一个实施例包括:具有外半径r1和相对折射率Delta1的渐变折射率中心纤芯区域; 包层区域,包括(i)具有外半径r2 <10微米和相对折射率Delta2和0.65 @ r1 / r2 @ 1的第一内包层区域; (ii)和具有外径r3> 10微米并且包括最小相对折射率Delta3的第二内包层区域(即,沟槽),其中所述第二内包层区域具有至少一个具有相对折射率Δδ的区域, 半径越来越大; 和(iii)围绕第二内包层区域并包括相对折射率Delta4的外包层区域,其中Delta1> Delta2> Delta3,Delta3Δ4。

    Bend loss resistant multi-mode fiber
    45.
    发明授权
    Bend loss resistant multi-mode fiber 有权
    弯曲损耗多模光纤

    公开(公告)号:US08588568B2

    公开(公告)日:2013-11-19

    申请号:US13289029

    申请日:2011-11-04

    IPC分类号: G02B6/02

    摘要: A graded index multimode optical fiber comprising: (a) a silica core doped with germania, and at least one co-dopant, comprising one of P2O5 or F or B2O3, the core extending to outermost core radius, r1 and having a dual alpha, α1; (b) a low index inner cladding surrounding the core and off-set from said core; (c) an outer cladding surrounding and in contact with the inner cladding, such that at least the region of the inner cladding off-set from said core has a lower refractive index than the outer cladding. The center germania concentration at the centerline, CGe1, is greater than or equal to 0, and an outermost germania concentration in the core CGe2, at r1 is greater than or equal to 0. The core has a center co-dopant concentration at the centerline, Cc-d1, greater than or equal to 0, and an outermost co-dopant concentration Cc-d2, at r1, wherein Cc-d2 is greater than or equal to 0.

    摘要翻译: 一种分级折射率多模光纤,包括:(a)掺杂有氧化锗的二氧化硅芯,以及包含P2O5或F或B2O3之一的至少一种共掺杂物,所述芯延伸到最外芯半径r1并具有双重α, alpha1; (b)围绕所述芯并偏离所述芯的低折射率内包层; (c)包围并与内包层接触的外包层,使得至少从所述芯偏离的内包层的区域具有比外包层更低的折射率。 中心线CGe1处的中心锗浓度大于或等于0,核心CGe2在r1处的最外面的锗浓度大于或等于0.核心在中心线处具有中心共掺杂剂浓度 ,Cc-d1,大于或等于0,最外侧辅助掺杂浓度Cc-d2在r1处,其中Cc-d2大于或等于0。

    LOW BEND LOSS OPTICAL FIBER
    46.
    发明申请
    LOW BEND LOSS OPTICAL FIBER 有权
    低弯损失光纤

    公开(公告)号:US20130136405A1

    公开(公告)日:2013-05-30

    申请号:US13485028

    申请日:2012-05-31

    IPC分类号: G02B6/028

    摘要: One embodiment of a single mode optical fiber includes: a graded index central core region having outer radius r1 and refractive index Δ1; a cladding region comprising (i) a first inner cladding region having an outer radius r2 10 microns and comprising a minimum refractive index Δ3, wherein said second cladding region has at least one region with a refractive index delta that becomes more negative with increasing radius; and (iii) an outer cladding region surrounding the inner cladding region and comprising refractive index Δ4, wherein Δ1>Δ2>Δ3, Δ3

    摘要翻译: 单模光纤的一个实施例包括:具有外半径r1和折射率Delta1的渐变折射率中心纤芯区域; 包层区域,包括(i)具有外半径r2 <10微米和折射率Delta2和0.65 @ r1 / r2 @ 1的第一内包层区域; (ii)和具有外半径r3> 10微米并且包括最小折射率Delta3的第二内包层区域,其中所述第二包层区域具有至少一个具有随着半径增加而变得更负的折射率δ的区域; 和(iii)围绕内包层区域并包括折射率Delta4的外包层区域,其中Delta1> Delta2> Delta3,Delta3Δ4。

    BEND LOSS RESISTANT MULTI-MODE FIBER
    47.
    发明申请
    BEND LOSS RESISTANT MULTI-MODE FIBER 有权
    弯曲耐磨多模光纤

    公开(公告)号:US20130114935A1

    公开(公告)日:2013-05-09

    申请号:US13289029

    申请日:2011-11-04

    IPC分类号: G02B6/028

    摘要: A graded index multimode optical fiber comprising: (a) a silica core doped with germania, and at least one co-dopant, comprising one of P2O5 or F or B2O3, the core extending to outermost core radius, r1 and having a dual alpha, α1; (b) a low index inner cladding surrounding the core and off-set from said core; (c) an outer cladding surrounding and in contact with the inner cladding, such that at least the region of the inner cladding off-set from said core has a lower refractive index than the outer cladding. The center germania concentration at the centerline, CGe1, is greater than or equal to 0, and an outermost germania concentration in the core CGe2, at r1 is greater than or equal to 0. The core has a center co-dopant concentration at the centerline, Cc-d1, greater than or equal to 0, and an outermost co-dopant concentration Cc-d2, at r1, wherein Cc-d2 is greater than or equal to 0.

    摘要翻译: 一种分级折射率多模光纤,包括:(a)掺杂有氧化锗的二氧化硅芯,以及包含P2O5或F或B2O3之一的至少一种共掺杂物,所述芯延伸到最外芯半径r1并具有双重α, alpha1; (b)围绕所述芯并偏离所述芯的低折射率内包层; (c)包围并与内包层接触的外包层,使得至少从所述芯偏离的内包层的区域具有比外包层更低的折射率。 中心线CGe1处的中心锗浓度大于或等于0,核心CGe2中r1处的最外层氧化铈浓度大于或等于0.核心在中心线处具有中心共掺杂剂浓度 ,Cc-d1,大于或等于0,最外侧辅助掺杂浓度Cc-d2在r1处,其中Cc-d2大于或等于0。

    GE-P CO-DOPED MULTIMODE OPTICAL FIBER
    48.
    发明申请
    GE-P CO-DOPED MULTIMODE OPTICAL FIBER 有权
    GE-P共掺多模光纤

    公开(公告)号:US20130114934A1

    公开(公告)日:2013-05-09

    申请号:US13289021

    申请日:2011-11-04

    IPC分类号: G02B6/028

    CPC分类号: G02B6/0288 G02B6/0281

    摘要: According to at least one embodiment a graded index multimode fiber comprises: (i) a silica based core co-doped with GeO2 and 1 to 12 mole % P2O5; the core having a dual alpha, α1 and α2, where 1.8≦α1≦2.4 and 1.9≦α2≦2.4 at the wavelength (λ) range between 840 and 1100 nm; and (ii) a silica based cladding region surrounding the core, wherein the fiber has a numerical aperture NA and 0.185≦NA≦0.25 (more preferably 0.185≦NA≦0.23). Preferably, the silica based cladding region surrounding the core has refractive index lower than that of pure silica.

    摘要翻译: 根据至少一个实施方案,分级折射率多模光纤包括:(i)与GeO 2和1至12摩尔%的P 2 O 5共掺的二氧化硅基核; 核心具有双α,α1和α2,其中波长(λ)范围在840和1100nm之间的1.8 @α1@ 2.4和1.9 @α2@ 2.4; 和(ii)围绕芯的二氧化硅基包覆区,其中纤维具有数值孔径NA和0.185 @ NA @ 0.25(更优选0.185 @ NA @ 0.23)。 优选地,围绕芯的二氧化硅基包覆区的折射率优于纯二氧化硅的折射率。

    Low Bend Loss Optical Fiber
    49.
    发明申请
    Low Bend Loss Optical Fiber 有权
    低弯损耗光纤

    公开(公告)号:US20110064368A1

    公开(公告)日:2011-03-17

    申请号:US12773358

    申请日:2010-05-04

    IPC分类号: G02B6/02

    CPC分类号: G02B6/0365 G02B6/03683

    摘要: 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 60% Δμm2.

    摘要翻译: 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&Dgr; 1MAX>&Dgr; 4>&Dgr; 2&Dgr; 3。 &Dgr; 4和&Dgr; 2之间的区别大于0.01和配置文件卷| V3 | 至少60%&Dgr;μm2。