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公开(公告)号：US20130272670A1
公开(公告)日：2013-10-17
申请号：US13995310
申请日：2010-12-23
IPC分类号： G02B6/036
CPC分类号： G02B6/036 , C03B37/01211 , C03B37/01248 , C03B37/01257 , C03B37/01446 , C03B37/01807 , C03B2201/02 , C03B2201/12 , C03B2201/31 , C03B2203/23 , C03B2203/24 , G02B6/03666
摘要： A single-mode transmission optical fibre includes a central core region radially outwardly from a centerline to a radius r1 and having a positive relative refractive index Δ1; a first inner cladding region extending radially outwardly from the central core to a radius r2 and having a negative relative refractive index Δ2; a second inner cladding region extending radially outwardly from the first inner cladding region to a radius r3 and having a non-negative relative refractive index Δ3; an intermediate cladding region extending radially outwardly from the second inner cladding region to a radius r4 having a negative relative refractive index Δ4 larger in absolute value than the relative refractive index Δ2; and an outer cladding region extending radially outwardly from the intermediate cladding region and having a non-negative relative refractive index Δ5; wherein the relative refractive index Δ2 of the first inner cladding region is −0.1·10−3 to −1.0·10−3 and the relative refractive index Δ4 of the intermediate cladding is −3.0·10−3 to −5.0·10−3.
摘要翻译： 单模传输光纤包括从中心线径向向外到半径r1并具有正相对折射率Delta1的中心芯区域; 从中心芯径向向外延伸到半径r2并且具有负的相对折射率Delta2的第一内包层区域; 从所述第一内包层区域径向向外延伸到半径r3并具有非负相对折射率Delta3的第二内包层区域; 从第二内包层区域径向向外延伸到具有比相对折射率Delta2大绝对值的负相对折射率Δ4的半径r4的中间包层区域; 以及从中间包层区域径向向外延伸且具有非负相对折射率Delta5的外包层区域; 其中，第一内包层区域的相对折射率Delta2为-0.1×10-3〜-1.0×10-3，中间包层的相对折射率Delta4为-3.0×10-3〜-5.0×10-3 。
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公开(公告)号：US09315411B2
公开(公告)日：2016-04-19
申请号：US13996941
申请日：2010-12-23
IPC分类号： C03B37/012
CPC分类号： C03B37/01211 , C03B37/01248 , C03B37/0126 , C03B2201/12 , Y02P40/57
摘要： A method of manufacturing an optical fiber preform includes: producing a core rod having a core rod diameter; inserting the core rod into a glass fluorine-doped intermediate cladding tube so as to form a core assembly, the intermediate cladding tube having an inner diameter and an outer diameter, wherein the inner diameter is larger than the core rod diameter, the radial difference between the inner diameter and the core rod diameter defining an annular gap; and applying a negative pressure inside the annular gap; and forming a core preform by heating the core assembly to collapse the intermediate cladding tube around the core rod while maintaining the negative pressure, wherein heating includes moving a heater outside the intermediate cladding tube and along an axial direction of the same, and forming an overcladding region surrounding the core preform so as to form an optical fiber preform.
摘要翻译： 制造光纤预制棒的方法包括：制造具有芯棒直径的芯棒; 将芯棒插入玻璃氟掺杂中间包层管中以形成芯组件，中间包层管具有内径和外径，其中内径大于芯棒直径， 内径和芯棒直径限定环形间隙; 并在所述环形间隙内施加负压; 并且通过加热芯组件来形成芯预制件，以在保持负压的同时将中间包层管围绕芯棒折叠，其中加热包括将加热器沿中间包层管的轴向方向移动并形成外包 以形成光纤预制件。
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公开(公告)号：US09279935B2
公开(公告)日：2016-03-08
申请号：US13995310
申请日：2010-12-23
IPC分类号： C03B37/012 , C03B37/014 , C03B37/018 , G02B6/036
CPC分类号： G02B6/036 , C03B37/01211 , C03B37/01248 , C03B37/01257 , C03B37/01446 , C03B37/01807 , C03B2201/02 , C03B2201/12 , C03B2201/31 , C03B2203/23 , C03B2203/24 , G02B6/03666
摘要： A single-mode transmission optical fiber includes a central core region radially outwardly from a centerline to a radius r1 and having a positive relative refractive index Δ1; a first inner cladding region extending radially outwardly from the central core to a radius r2 and having a negative relative refractive index Δ2; a second inner cladding region extending radially outwardly from the first inner cladding region to a radius r3 and having a non-negative relative refractive index Δ3; an intermediate cladding region extending radially outwardly from the second inner cladding region to a radius r4 having a negative relative refractive index Δ4 larger in absolute value than the relative refractive index Δ2; and an outer cladding region extending radially outwardly from the intermediate cladding region and having a non-negative relative refractive index Δ5; wherein the relative refractive index Δ2 of the first inner cladding region is −0.1·10−3 to −1.0·10−3 and the relative refractive index Δ4 of the intermediate cladding is −3.0·10−3 to −5.0·10−3.
摘要翻译： 单模传输光纤包括从中心线径向向外到半径r 1并具有正相对折射率＆amp; Dgr; 1的中心芯区域; 从中心芯径向向外延伸到半径r2并且具有负相对折射率＆lt; Dgr; 2的第一内包层区域; 3，从第一内包层区径向向外延伸至半径r3并具有非负相对折射率Dgr; 3的第二内包层区; 从第二内包层区域径向向外延伸到具有相对于相对折射率＆Dgr; 2的绝对值大的负相对折射率＆lt; Dgr; 4的半径r4的中间包层区域; 以及从中间包层区域径向向外延伸且具有非负相对折射率＆lt; Dgr; 5的外包层区域; 其中所述第一内包层区域的相对折射率＆Dgr; 2为-0.1×10 -3至-1.0×10 -3，并且所述中间包层的相对折射率＆Dgr; 4为-3.0×10-3至-5.0 ·10-3。
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公开(公告)号：US20130291604A1
公开(公告)日：2013-11-07
申请号：US13996941
申请日：2010-12-23
IPC分类号： C03B37/012
CPC分类号： C03B37/01211 , C03B37/01248 , C03B37/0126 , C03B2201/12 , Y02P40/57
摘要： A method of manufacturing an optical fibre preform includes: producing a core rod having a core rod diameter; inserting the core rod into a glass fluorine-doped intermediate cladding tube so as to form a core assembly, the intermediate cladding tube having an inner diameter and an outer diameter, wherein the inner diameter is larger than the core rod diameter, the radial difference between the inner diameter and the core rod diameter defining an annular gap; and applying a negative pressure inside the annular gap; and forming a core preform by heating the core assembly to collapse the intermediate cladding tube around the core rod while maintaining the negative pressure, wherein heating includes moving a heater outside the intermediate cladding tube and along an axial direction of the same, and forming an overcladding region surrounding the core preform so as to form an optical fibre preform.
摘要翻译： 制造光纤预制棒的方法包括：制造具有芯棒直径的芯棒; 将芯棒插入玻璃氟掺杂中间包层管中以形成芯组件，中间包层管具有内径和外径，其中内径大于芯棒直径， 内径和芯棒直径限定环形间隙; 并在所述环形间隙内施加负压; 并且通过加热芯组件来形成芯预制件，以在保持负压的同时将中间包层管围绕芯棒折叠，其中加热包括将加热器移动到中间包层管的外侧并沿其轴向方向，并形成外包 以形成光纤预制件。
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公开(公告)号：US20120321265A1
公开(公告)日：2012-12-20
申请号：US13511932
申请日：2009-11-26
IPC分类号： G02B6/036
CPC分类号： C03C25/1065 , G02B6/02395
摘要： An optical fiber includes an optical waveguide, a first coating layer disposed to surround the optical waveguide and a second coating layer disposed to surround the first coating layer, wherein the first coating layer is formed by a cured polymeric material obtained by curing a radiation curable composition including at least one (meth)acrylate monomer esterified with at least one branched alcohol having from 9 to 12 carbon atoms, and the second coating layer is formed by a cured polymeric material obtained by curing a radiation curable (meth)acrylate composition including from 0.8% to 1.5% by weight of silica, based on the total weight of the composition.
摘要翻译： 光纤包括光波导，围绕光波导设置的第一涂层和围绕第一涂层设置的第二涂层，其中第一涂层由固化的聚合材料形成，所述聚合材料通过固化可辐射固化组合物 包括至少一种由至少一种具有9至12个碳原子的支链醇酯化的（甲基）丙烯酸酯单体，并且第二涂层由固化的聚合物材料形成，所述聚合材料通过固化包含0.8 基于组合物的总重量计，二氧化硅的重量百分数至1.5％。
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公开(公告)号：US08720231B2
公开(公告)日：2014-05-13
申请号：US12452754
申请日：2007-08-01
IPC分类号： C03C25/18
CPC分类号： C03C25/102 , C03B37/02 , C03C25/18 , C03C25/475
摘要： An apparatus for coloring optical fibers, includes: a first reservoir for containing a natural coating material to be applied onto an optical fiber being drawn; a second reservoir for containing a colorant to be mixed with the natural coating material; a mixer in fluid communication with the first and second reservoirs to receive a first flow of natural coating material and a second flow of colorant and to mix the first and second flows to obtain a colored coating material; a coating die in fluid communication with the mixer to receive the flow of colored coating material and to apply it onto the optical fiber being drawn. A first gas pressure source is associated with the first reservoir, exerting on the natural coating material a first gas pressure variable as a function of at least one optical fiber drawing parameter, and a second gas pressure source is associated with the second reservoir, exerting on the colorant a second gas pressure variable as a function of at least one optical fiber drawing parameter. The first and second lines have relevant pressure drop in a ratio corresponding to the ratio of natural coating material and colorant providing the colored coating material.
摘要翻译： 一种用于着色光纤的设备，包括：第一储存器，用于容纳要施加到被拉伸的光纤上的天然涂层材料; 用于容纳与天然涂层材料混合的着色剂的第二储存器; 混合器，其与所述第一和第二储存器流体连通以接收天然涂料的第一流和第二着色剂流，并混合所述第一和第二流以获得着色涂料; 与混合器流体连通以接收有色涂层材料的流动并将其施加到被拉伸的光纤上的涂层模具。 第一气体压力源与第一储存器相关联，在天然涂层材料上施加作为至少一个光纤拉伸参数的函数的第一气体压力变量，并且第二气体压力源与第二储存器相关联，进行 着色剂作为至少一个光纤拉伸参数的函数的第二气体压力变量。 第一线和第二线具有相当于天然涂层材料和着色涂层材料着色剂的比率的相对压降。
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公开(公告)号：US08781282B2
公开(公告)日：2014-07-15
申请号：US13511932
申请日：2009-11-26
CPC分类号： C03C25/1065 , G02B6/02395
摘要： An optical fiber includes an optical waveguide, a first coating layer disposed to surround the optical waveguide and a second coating layer disposed to surround the first coating layer, wherein the first coating layer is formed by a cured polymeric material obtained by curing a radiation curable composition including at least one (meth)acrylate monomer esterified with at least one branched alcohol having from 9 to 12 carbon atoms, and the second coating layer is formed by a cured polymeric material obtained by curing a radiation curable (meth)acrylate composition including from 0.8% to 1.5% by weight of silica, based on the total weight of the composition.
摘要翻译： 光纤包括光波导，围绕光波导设置的第一涂层和围绕第一涂层设置的第二涂层，其中第一涂层由固化的聚合材料形成，所述聚合材料通过固化可辐射固化组合物 包括至少一种由至少一种具有9至12个碳原子的支链醇酯化的（甲基）丙烯酸酯单体，并且第二涂层由固化的聚合物材料形成，所述聚合材料通过固化包含0.8 基于组合物的总重量计，二氧化硅的重量百分数至1.5％。
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公开(公告)号：US20100196595A1
公开(公告)日：2010-08-05
申请号：US12452754
申请日：2007-08-01
CPC分类号： C03C25/102 , C03B37/02 , C03C25/18 , C03C25/475
摘要： An apparatus for coloring optical fibers, includes: a first reservoir for containing a natural coating material to be applied onto an optical fiber being drawn; a second reservoir for containing a colorant to be mixed with the natural coating material; a mixer in fluid communication with the first and second reservoirs to receive a first flow of natural coating material and a second flow of colorant and to mix the first and second flows to obtain a colored coating material; a coating die in fluid communication with the mixer to receive the flow of colored coating material and to apply it onto the optical fiber being drawn. A first gas pressure source is associated with the first reservoir, exerting on the natural coating material a first gas pressure variable as a function of at least one optical fiber drawing parameter, and a second gas pressure source is associated with the second reservoir, exerting on the colorant a second gas pressure variable as a function of at least one optical fiber drawing parameter. The first and second lines have relevant pressure drop in a ratio corresponding to the ratio of natural coating material and colorant providing the colored coating material.
摘要翻译： 一种用于着色光纤的设备，包括：第一储存器，用于容纳要施加到被拉伸的光纤上的天然涂层材料; 用于容纳与天然涂层材料混合的着色剂的第二储存器; 混合器，其与所述第一和第二储存器流体连通以接收天然涂料的第一流和第二着色剂流，并混合所述第一和第二流以获得着色涂料; 与混合器流体连通以接收有色涂层材料的流动并将其施加到被拉伸的光纤上的涂层模具。 第一气体压力源与第一储存器相关联，在天然涂层材料上施加作为至少一个光纤拉伸参数的函数的第一气体压力变量，并且第二气体压力源与第二储存器相关联，进行 着色剂作为至少一个光纤拉伸参数的函数的第二气体压力变量。 第一线和第二线具有相当于天然涂层材料和着色涂层材料着色剂的比率的相对压降。
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公开(公告)号：US20120257864A1
公开(公告)日：2012-10-11
申请号：US13431164
申请日：2012-03-27
CPC分类号： G02B6/4429 , G02B6/441 , G02B6/4433 , G02B6/4495
摘要： It is disclosed an optical cable for communications including at least one micromodule, the micromodule including a retaining element and number N of optical fibers housed in said retaining element. The diameter of a circumference encircling the number N of optical fibers is typically 90% to 95% of an inner diameter of the retaining element. The retaining element consists essentially of a film grade polymeric material having an elongation at break equal to or higher than 500%, a melt flow index (MFI) lower than 3 g/10 min, and a density lower than 1 g/cm3.
摘要翻译： 公开了一种用于通信的光缆，包括至少一个微型组件，该微型组件包括容纳在所述保持元件中的保持元件和数量为N的光纤。 围绕光纤数量N的圆周的直径通常为保持元件的内径的90％至95％。 保持元件基本上由具有等于或高于500％的断裂伸长率，低于3g / 10min的熔体流动指数（MFI）和低于1g / cm 3的密度的膜级聚合材料组成。
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公开(公告)号：US09213158B2
公开(公告)日：2015-12-15
申请号：US13431164
申请日：2012-03-27
IPC分类号： G02B6/44
CPC分类号： G02B6/4429 , G02B6/441 , G02B6/4433 , G02B6/4495
摘要： It is disclosed an optical cable for communications including at least one micromodule, the micromodule including a retaining element and number N of optical fibers housed in said retaining element. The diameter of a circumference encircling the number N of optical fibers is typically 90% to 95% of an inner diameter of the retaining element. The retaining element consists essentially of a film grade polymeric material having an elongation at break equal to or higher than 500%, a melt flow index (MFI) lower than 3 g/10 min, and a density lower than 1 g/cm3.
摘要翻译： 公开了一种用于通信的光缆，包括至少一个微型组件，该微型组件包括容纳在所述保持元件中的保持元件和数量为N的光纤。 围绕光纤数量N的圆周的直径通常为保持元件的内径的90％至95％。 保持元件基本上由具有等于或高于500％的断裂伸长率，低于3g / 10min的熔体流动指数（MFI）和低于1g / cm 3的密度的膜级聚合材料组成。
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