Plastic glass optical fiber
    3.
    发明授权
    Plastic glass optical fiber 有权
    塑料玻璃光纤

    公开(公告)号:US08195019B2

    公开(公告)日:2012-06-05

    申请号:US12648021

    申请日:2009-12-28

    IPC分类号: G02B6/36

    CPC分类号: G02B6/03622 G02B6/02033

    摘要: A plastic glass optical fiber includes a glass core (diameter a1, relative refractive index difference Δ1, and refractive index n1), a polymer core (diameter a2, relative refractive index difference Δ2, and refractive index n2), and a polymer cladding (refractive index n3), in which the diameter a1 of the glass core is within a range of 110 μm to 200 μm, a parameter X (X is a22/a12) is within a range of 1.15≦X≦2.9, a parameter Y (Y is Δ2/Δ1) is within a range of 0.25≦Y≦0.84X−0.68 (when 1.15≦X≦2) or 0.48X−0.71≦Y≦−(2/9)X+13/9 (when 2≦X≦2.9), a parameter ZR (ZR is Z2core/Z1core; Z2core=a22π/4×√(n12−n32) and Z1core=a12π/4×√(n12−n22)) is within a range of 1.25≦ZR≦4.

    摘要翻译: 塑料玻璃光纤包括玻璃芯(直径a1,相对折射率差Dgr; 1和折射率n1),聚合物芯(直径a2,相对折射率差Dgr; 2和折射率n2)和 聚合物包层(折射率n3),其中玻璃纤芯的直径a1在110μm至200μm的范围内,参数X(X是a22 / a12)在1.15< 1EE的范围内; X& 参数Y(Y为&Dgr; 2 /&Dgr; 1)在0.25≦̸ Y≦̸ 0.84X-0.68(当1.15≦̸ X< ll; 2)或0.48X-0.71&NlE; Y& 9)X + 13/9(当2≦̸ X≦̸ 2.9),参数ZR(ZR是Z2core / Z1core; Z2core = a22&pgr; / 4×√(n12-n32)和Z1core = a12&pgr; / 4×√ -n22))在1.25≤n1E的范围内; ZR≦̸ 4。

    Dispersion shifted optical fiber
    5.
    发明授权
    Dispersion shifted optical fiber 失效
    色散位移光纤

    公开(公告)号:US06546177B1

    公开(公告)日:2003-04-08

    申请号:US09830027

    申请日:2001-04-20

    IPC分类号: G02B602

    摘要: In the present invention, by forming a dispersion shifted optical fiber that has a refractive index profile comprising: a central core portion 1; a step core portion 2 provided at an outer periphery of the central core portion 1 and having a refractive index lower than that of the central core portion 1; and cladding 7 provided at an outer periphery of the step core portion 2 and having a refractive index lower than that of the step core portion 2, and which dispersion shifted optical fiber has, in a used wavelength band that is selected from between 1490 and 1625 nm, chromatic dispersion values of 7 to 15 ps/km/nm, an Aeff of 60 to 150 &mgr;m2, a dispersion slope of 0.09 ps/km/nm2 or less, a bending loss of 100 dB/m or less, and a cutoff wavelength that provides essentially single mode transmission, it is possible to reduce the cost of the system and to achieve n improvement in the transmission characteristics.

    摘要翻译: 在本发明中,通过形成具有折射率分布的色散位移光纤,包括:中心芯部分1; 设置在中心芯部1的外周并具有比中央芯部1的折射率低的折射率的台阶芯部2; 以及设置在台阶芯部2的外周并且折射率低于台阶芯部2的折射率的包层7,并且该色散位移光纤具有在从1490到1625之间的使用波长带中 nm,色散值为7〜15ps / km / nm,Aeff为60〜150mum2,色散斜率为0.09ps / km / nm2以下,弯曲损耗为100dB / m以下,截止频率为 提供基本单模传输的波长,可以降低系统的成本并实现传输特性的提高。

    PLASTIC GLASS OPTICAL FIBER
    6.
    发明申请
    PLASTIC GLASS OPTICAL FIBER 有权
    塑料玻璃光纤

    公开(公告)号:US20100104249A1

    公开(公告)日:2010-04-29

    申请号:US12648021

    申请日:2009-12-28

    IPC分类号: G02B6/036

    CPC分类号: G02B6/03622 G02B6/02033

    摘要: A plastic glass optical fiber includes a glass core (diameter a1, relative refractive index difference Δ1, and refractive index n1), a polymer core (diameter a2, relative refractive index difference Δ2, and refractive index n2), and a polymer cladding (refractive index n3), in which the diameter a1 of the glass core is within a range of 110 μm to 200 μm, a parameter X (X is a22/a12) is within a range of 1.15≦X≦2.9, a parameter Y (Y is Δ2/Δ1) is within a range of 0.25≦Y≦0.84X−0.68 (when 1.15≦X≦2) or 0.48X−0.71≦Y≦−(2/9)X+13/9 (when 2≦X≦2.9), a parameter ZR (ZR is Z2core/Z1core; Z2core=a22π/4×√(n12−n32) and Z1core=a12π/4×√(n12n−n22)) is within a range of 1.25≦ZR≦4.

    摘要翻译: 塑料玻璃光纤包括玻璃芯(直径a1,相对折射率差Dgr; 1和折射率n1),聚合物芯(直径a2,相对折射率差Dgr; 2和折射率n2)和 聚合物包层(折射率n3),其中玻璃纤芯的直径a1在110μm至200μm的范围内,参数X(X是a22 / a12)在1.15< 1EE的范围内; X& 参数Y(Y为&Dgr; 2 /&Dgr; 1)在0.25≦̸ Y≦̸ 0.84X-0.68(当1.15≦̸ X< ll; 2)或0.48X-0.71&NlE; Y& 9)X + 13/9(当2≦̸ X≦̸ 2.9)时,参数ZR(ZR是Z2core / Z1core; Z2core = a22&pgr; / 4×√(n12-n32)和Z1core = a12&pgr; / 4×√(n12n -n22))在1.25≤n1E的范围内; ZR≦̸ 4。

    SINGLE-MODE OPTICAL FIBER
    8.
    发明申请
    SINGLE-MODE OPTICAL FIBER 有权
    单模光纤

    公开(公告)号:US20080101755A1

    公开(公告)日:2008-05-01

    申请号:US11951005

    申请日:2007-12-05

    IPC分类号: G02B6/02 G02B6/036

    摘要: A single-mode optical fiber has a prescribed mode field diameter (MFD1 (μm)) at a first wavelength λ1, in which a bending loss when measured at a second wavelength λ2 (μm) and wound with a bending radius r (mm) is Lb (dB) for one bending, a connector/splice loss with an optical fiber that has a prescribed mode field diameter MFD2 (μm) at the first wavelength λ1 is Ls (dB) for one connection/splice point at the second wavelength λ2 (μm), and an mode field diameter dependence of a total loss coefficient calculated by a formula (1) has a local minimal value in a range of MFD1±0.5 μm, with the formula (1) being as follows: L=ws·Ls+wb·Lb,  (1) ws+wb=1,  (2) ws>0, wb>0,  (3) where ws and wb in the formula (1) represent dimensionless weighting factors and are set within a range that satisfies the formulas (2) and (3).

    摘要翻译: 单模光纤在第一波长λ1> 1处具有规定的模场直径(MFD <1>(mum)),其中在第二波长λ1处测量时的弯曲损耗 波长λ2(mum)并以弯曲半径r(mm)卷绕,对于一次弯曲为L b(dB),光纤的连接器/接头损耗为 对于一个连接/接合点,具有第一波长λ1的规定模场直径MFD 2(mum)为L s(S / S) 在第二波长λ2(mum)下,由公式(1)计算的总损耗系数的模场直径依赖性在MFD <1>的范围内具有局部最小值, /SUB>+0.5 mum,公式(1)如下:<?in-line-formula description =“In-line Formulas”end =“lead”?> L = w (1)<?在线公式描述=“在线公式”结束 =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead” ?>>>>>,<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< ?in-line-formula description =“In-line Formulas”end =“lead”?> w > 0,w > 0,(3)<? 在公式(1)中,在公式(1)中,其中w 和w 表示无量纲加权因子(in-line-formula description =“In-line Formulas”end =“tail” 并且设定在满足式(2)和(3)的范围内。

    Single-mode optical fiber
    9.
    发明授权
    Single-mode optical fiber 有权
    单模光纤

    公开(公告)号:US07366387B2

    公开(公告)日:2008-04-29

    申请号:US11673471

    申请日:2007-02-09

    IPC分类号: G02B6/02

    摘要: A single-mode optical fiber has a prescribed mode field diameter (MFD1 (μm)) at a first wavelength λ1, in which a bending loss when measured at a second wavelength λ2 (μm) and wound with a bending radius r (mm) is Lb (dB) for one bending, a connector/splice loss with an optical fiber that has a prescribed mode field diameter MFD2 (μm) at the first wavelength λ1 is Ls (dB) for one connection/splice point at the second wavelength λ2 (μm), and an mode field diameter dependence of a total loss coefficient calculated by a formula (1) has a local minimal value in a range of MFD1±0.5 μm, with the formula (1) being as follows: L=ws·Ls+wb·Lb,  (1) ws+wb=1,  (2) ws>0, wb>0  (3) where ws and wb in the formula (1) represent dimensionless weighting factors and are set within a range that satisfies the formulas (2) and (3).

    摘要翻译: 单模光纤在第一波长λ1> 1处具有规定的模场直径(MFD <1>(mum)),其中在第二波长λ1处测量时的弯曲损耗 波长λ2(mum)并以弯曲半径r(mm)卷绕,对于一次弯曲为L b(dB),光纤的连接器/接头损耗为 对于一个连接/接合点,具有第一波长λ1的规定模场直径MFD 2(mum)为L s(S / S) 在第二波长λ2(mum)下,由公式(1)计算的总损耗系数的模场直径依赖性在MFD <1>的范围内具有局部最小值, /SUB>+0.5 mum,公式(1)如下:<?in-line-formula description =“In-line Formulas”end =“lead”?> L = w (1)<?在线公式描述=“在线公式”结束 =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”? &lt;&lt;&lt;&lt; b&lt; b&gt; = 1,(2)<?in-line-formula description =“In-line Formulas”end =“tail”?> in-line-formula description =“In-line Formulas”end =“lead”?> w > 0,w > 0(3) 公式(1)中的公式描述=“在线公式”end =“tail”?>其中w(x)和w(b))表示无量纲加权因子, 设定在满足公式(2)和(3)的范围内。

    Optical fiber
    10.
    发明授权
    Optical fiber 有权
    光纤

    公开(公告)号:US07164835B2

    公开(公告)日:2007-01-16

    申请号:US11244195

    申请日:2005-10-06

    IPC分类号: G02B6/036

    摘要: An optical fiber includes: a core at a center; a first cladding layer; a second cladding layer; and a third cladding layer. A maximum refractive index of the core is greater than any of maximum refractive indices of the first cladding layer, the second cladding layer, and the third cladding layer, and the maximum refractive index of the second cladding layer is smaller than any of the maximum refractive indices of the first and the third cladding layer. Additionally, a ratio of a2/a1 is not less than about 2.5 and not more than about 4.5, where a1 represents the radius of the core, and a2 represents the radius of an outer periphery of the first cladding layer, and a relative refractive index difference of the core with respect to a maximum refractive index of the third cladding layer is not less than 0.20% and not more than 0.70%.

    摘要翻译: 光纤包括:中心的芯; 第一包层; 第二覆层; 和第三覆层。 芯的最大折射率大于第一包层,第二包层和第三包层的最大折射率中的任何一个,并且第二包层的最大折射率小于任何最大折射率 第一和第三包层的指数。 此外,2×2 / a <1的比例不小于约2.5且不大于约4.5,其中1表示芯的半径,而2 表示第一包层的外周的半径,芯相对于第三包层的最大折射率的相对折射率差为0.20%以上且0.70%以下。