Low bend loss optical fiber
    1.
    发明授权
    Low bend loss optical fiber 有权
    低弯曲损耗光纤

    公开(公告)号:US08849082B2

    公开(公告)日:2014-09-30

    申请号:US13677379

    申请日:2012-11-15

    IPC分类号: G02B6/028 G02B6/036 G02B6/02

    摘要: An optical fiber comprising: (I) a germania doped central core region having outer radius r1 and (II) a maximum relative refractive index Δ1max and a cladding region including (i) a first inner cladding region having an outer radius r2>5 microns and refractive index Δ2; (ii) a and a second inner cladding region having an outer radius r3>9 microns and comprising refractive index Δ3; and (iii) an outer cladding region surrounding the inner cladding region and comprising refractive index Δ4, wherein Δ1max>Δ4, Δ2>Δ3, and wherein 0.01%≦Δ4−Δ3≦0.09%, said fiber exhibits a 22 m cable cutoff less than or equal to 1260 nm, and 0.25≦r1/r2≦0.85.

    摘要翻译: 一种光纤,包括:(I)具有外半径r1和(II)最大相对折射率&Dgr; 1max的包含掺锗的中心核心区域和包括(i)具有外半径r2> 5的第一内包层区域的包层区域 微米和折射率&Dgr; 2; (ii)具有外径r3> 9微米并且包括折射率&Dgr; 3的a和第二内包层区域; 4,Dgr; 1>&Dgr; 4,&Dgr; 2>&Dgr; 3,其中0.01%& Dgr; 4&Dgr; 4和Dgr; 4,其中所述外包层区包围折射率& 3≦̸ 0.09%,所述纤维表现出小于或等于1260nm的22m电缆截断,和0.25< ll; r1 / r2≦̸ 0.85。

    LOW BEND LOSS OPTICAL FIBER
    3.
    发明申请
    LOW BEND LOSS OPTICAL FIBER 有权
    低弯损失光纤

    公开(公告)号:US20130136406A1

    公开(公告)日:2013-05-30

    申请号:US13677379

    申请日:2012-11-15

    IPC分类号: G02B6/028

    摘要: An optical fiber comprising: (I) a germania doped central core region having outer radius r1 and (II) a maximum relative refractive index Δ1max and a cladding region including (i) a first inner cladding region having an outer radius r2>5 microns and refractive index Δ2; (ii) a and a second inner cladding region having an outer radius r3>9 microns and comprising refractive index Δ3; and (iii) an outer cladding region surrounding the inner cladding region and comprising refractive index Δ4, wherein Δ1max>Δ4, Δ2>Δ3, and wherein 0.01%≦Δ4−Δ3≦0.09%, said fiber exhibits a 22 m cable cutoff less than or equal to 1260 nm, and 0.25≦r1/r2≦0.85.

    摘要翻译: 一种光纤,包括:(I)具有外半径r1和(II)最大相对折射率Delta1max的掺杂有锗的中心芯区域和包括(i)具有外半径r2> 5微米的第一内包层区域的包层区域,以及 折射率Delta2; (ii)具有外径r3> 9微米并且包括折射率Delta3的a和第二内包层区域; 并且(iii)围绕内部包层区域并包括折射率Delta4的外包层区域,其中Delta1max> Delta4,Delta2> Delta3,并且其中0.01%@ Delta4-Delta3 @ 0.09%,所述光纤显示出22m电缆截止值小于 或等于1260nm,而0.25 @ r1 / r2 @ 0.85。

    Low bend loss optical fiber
    6.
    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
    7.
    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
    8.
    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。