公开(公告)号：US08877662B2

公开(公告)日：2014-11-04

申请号：US13540204

申请日：2012-07-02

Applicant: Nathan J. Cassingham ,  Ben Matthew Gauthier ,  Martin Panchula ,  Robert Stephen Pavlik ,  Yan Zhou ,  Konstantin S. Zuyev

Inventor： Nathan J. Cassingham ,  Ben Matthew Gauthier ,  Martin Panchula ,  Robert Stephen Pavlik ,  Yan Zhou ,  Konstantin S. Zuyev

IPC: C03C3/06 ,  C03C3/087 ,  C03C1/02 ,  C03B1/00

CPC classification number: C03C1/02 ,  C03B1/00 ,  C03B2201/075 ,  C03B2201/08 ,  C03B2201/23 ,  C03B2201/24 ,  C03B2201/31 ,  C03B2201/32 ,  C03B2201/34 ,  C03B2201/50 ,  C03B2201/54 ,  C03C3/06 ,  C03C2201/08 ,  C03C2201/23 ,  C03C2201/24 ,  C03C2201/31 ,  C03C2201/32 ,  C03C2201/34 ,  C03C2201/40 ,  C03C2201/50

Abstract: The invention relates to a silica glass compound having improved physical and chemical properties. In one embodiment, the present invention relates to a silica glass having a desirable brittleness in combination with a desirable density while still yielding a glass composition having a desired hardness and desired strength relative to other glasses. In another embodiment, the present invention relates to a silica glass composition that contains at least about 85 mole percent silicon dioxide and up to about 15 mole percent of one or more dopants selected from F, B, N, Al, Ge, one or more alkali metals (e.g., Li, Na, K, etc.), one or more alkaline earth metals (e.g., Mg, Ca, Sr, Ba, etc.), one or more transition metals (e.g., Ti, Zn, Y, Zr, Hf, etc.), one or more lanthanides (e.g., Ce, etc.), or combinations of any two or more thereof.

Abstract translation: 本发明涉及具有改善的物理和化学性质的二氧化硅玻璃化合物。 在一个实施方案中，本发明涉及具有期望的脆性以及所需密度的二氧化硅玻璃，同时仍然产生相对于其它玻璃具有所需硬度和所需强度的玻璃组合物。 在另一个实施方案中，本发明涉及二氧化硅玻璃组合物，其含有至少约85摩尔％的二氧化硅和至多约15摩尔％的选自F，B，N，Al，Ge的一种或多种掺杂剂，一种或多种 碱金属（如Li，Na，K等），一种或多种碱土金属（如Mg，Ca，Sr，Ba等），一种或多种过渡金属（如Ti，Zn，Y， Zr，Hf等），一种或多种镧系元素（例如Ce等），或其任何两种或多种的组合。

公开(公告)号：US20140283557A1

公开(公告)日：2014-09-25

申请号：US14280691

申请日：2014-05-19

Applicant: Shin-Etsu Chemical Co., Ltd.

Inventor： Dai INOUE ,  Takaaki Nagao ,  Hiroyuki KOIDE

IPC: C03B37/014

CPC classification number: C03B37/01413 ,  C03B37/0142 ,  C03B2201/02 ,  C03B2201/31 ,  C03B2207/36 ,  C03B2207/70 ,  C03B2207/85 ,  C03B2207/87 ,  Y02P40/57

Abstract: Provided is a quartz glass manufacturing method that involves using one or more burners, supplying hydrogen and oxygen to the one or more burners to generate an oxyhydrogen flame, introducing a silicide into the oxyhydrogen flame, forming a porous base material by depositing silicon dioxide generated from a flame hydrolysis reaction with the silicide, and heating and sintering the porous base material to form transparent glass, the method comprising supplying hydrogen that is stored or made at a normal temperature to the one or more burners; controlling a hydrogen flow rate using a measurement apparatus or control apparatus that performs measurement based on heat capacity of a gas; vaporizing liquid hydrogen stored in a low-temperature storage chamber, and supplying the vaporized liquid hydrogen to the one or more burners as backup hydrogen; switching from the hydrogen to the backup hydrogen; and when switching, adjusting the hydrogen flow rate to a value obtained by multiplying the hydrogen flow rate immediately after switching by a predetermined correction coefficient.

Abstract translation: 提供了一种石英玻璃制造方法，其包括使用一个或多个燃烧器，向一个或多个燃烧器供应氢气和氧气以产生氢氧焰，将硅化物引入氢氧焰中，通过沉积二氧化硅形成多孔基材， 与所述硅化物进行火焰水解反应，以及加热和烧结所述多孔基材以形成透明玻璃，所述方法包括将在常温下储存或制造的氢气供应给所述一个或多个燃烧器; 使用基于气体的热容量进行测量的测量装置或控制装置控制氢气流量; 蒸发存储在低温储存室中的液态氢，并将蒸发的液体氢气作为备用氢气供给到一个或多个燃烧器; 从氢气切换到备用氢气; 并且当切换时，将氢气流量调节到通过将切换之后的氢气流量乘以预定校正系数而获得的值。

公开(公告)号：US08837889B2

公开(公告)日：2014-09-16

申请号：US13197042

申请日：2011-08-03

Applicant: Louis-Anne de Montmorillon ,  Denis Molin ,  Pieter Matthijsse ,  Frans Gooijer ,  Ivo Flammer ,  Yves Lumineau ,  Marianne Bigot-Astruc ,  Pierre Sillard ,  Pascale Nouchi

Inventor： Louis-Anne de Montmorillon ,  Denis Molin ,  Pieter Matthijsse ,  Frans Gooijer ,  Ivo Flammer ,  Yves Lumineau ,  Marianne Bigot-Astruc ,  Pierre Sillard ,  Pascale Nouchi

IPC: G02B6/028 ,  C03B37/018 ,  G02B6/036 ,  G02B6/28 ,  G02B6/02

CPC classification number: G02B6/0365 ,  C03B37/018 ,  C03B2201/12 ,  C03B2201/31 ,  G02B6/02214 ,  G02B6/02266 ,  G02B6/03661

Abstract: An optical transmission fiber comprises a central core having an index difference Δn1 with an outer optical cladding; a first inner cladding having an index difference Δn2 with the outer cladding; and a second buried inner cladding having an index difference Δn3 with the outer cladding of less than −3·10−3. The second buried inner cladding moreover contains Germanium in a weight concentration of between 0.5% and 7%.The fiber shows reduced bending and microbending losses while exhibiting the optical performances of a standard single-mode fiber (SSMF).

Abstract translation: 光传输光纤包括具有外光学包层的折射率差Dgr; n1的中心纤芯; 具有与外包层的折射率差Dgr; n2的第一内包层; 以及具有小于-3·10-3的外包层的折射率差Dgr; n3的第二掩埋内包层。 第二掩埋的内包层还包含重量浓度在0.5％和7％之间的锗。 光纤显示出减小的弯曲和微弯损耗，同时表现出标准单模光纤（SSMF）的光学性能。

公开(公告)号：US08820121B2

公开(公告)日：2014-09-02

申请号：US13042352

申请日：2011-03-07

Applicant: Tetsuya Otosaka

Inventor： Tetsuya Otosaka

IPC: C03B37/018 ,  C03B37/014 ,  C03B37/012

CPC classification number: C03B37/01446 ,  C03B37/01237 ,  C03B37/0124 ,  C03B37/01426 ,  C03B37/0146 ,  C03B37/01466 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2203/23 ,  C03B2203/24 ,  C03B2203/26 ,  C03B2207/50

Abstract: Provided is a method of manufacturing an optical fiber base material having at least four layer including a core, a first cladding, a second cladding containing fluorine, and a third cladding. The manufacturing method comprises preparing a starting base material that includes the core and the first cladding; forming a porous intermediate glass base material by supplying glass raw material and oxygen to a high-frequency induction thermal plasma torch to synthesize glass fine particles that are then deposited on a surface of the starting base material; forming an intermediate glass base material that includes the core, the first cladding, and the second cladding containing fluorine, by heating and vitrifying the porous intermediate glass base material in an atmosphere containing fluorine; and providing the third cladding on the outer surface of the intermediate glass base material.

Abstract translation: 提供一种制造具有至少四层的光纤基材的方法，该层包括芯，第一包层，含氟的第二包层和第三包层。 制造方法包括制备包括芯和第一包层的起始基材; 通过向高频感应热等离子体焰炬提供玻璃原料和氧气来合成玻璃微粒，形成多孔中间玻璃基材，然后沉积在起始基材的表面上; 通过在含氟气氛中加热和玻璃化多孔中间玻璃基材，形成包含芯，第一包层和含氟的第二包层的中间玻璃基材; 以及在中间玻璃基材的外表面上设置第三包层。

公开(公告)号：US20140233900A1

公开(公告)日：2014-08-21

申请号：US14346309

申请日：2012-09-18

Applicant: Commissariat à I'énergie atomique et aux énergies alternatives ,  Centre National De La Recherche Scientifique ,  Universite Lille 1 Sciences Et Technologies

Inventor： Emmanuel Hugonnot ,  Laure Lago ,  Arnaud Mussot ,  Yves Quiquempois ,  Géraud Bouwmans ,  Laurent Bigot ,  Constance Valentin

IPC: G02B6/02

CPC classification number: G02B6/02338 ,  C03B37/0122 ,  C03B2201/02 ,  C03B2201/31 ,  C03B2201/36 ,  C03B2203/14 ,  C03B2203/22 ,  C03B2203/42 ,  G02B6/02314 ,  G02B6/02333 ,  G02B6/02347 ,  G02B6/02352 ,  G02B6/02361 ,  G02B6/0238 ,  G02B6/032 ,  G02B6/03611 ,  Y10T29/49769

Abstract: The fibre comprises a core (2) having an index N and diameter of 10 μm or more, surrounded by a ring (4) having an index N+Δn and thickness ΔR, and cladding (6) surrounding the ring and comprising for example air gaps (8). According to the invention: Δn≧10−3 and ΔR=α/(Δn)β [1] where: 5×10−4 μm≦α≦5×10−2 μm and 0.5≦β≦1.5. The numbers α and β are dependent on the wavelength λ of the light guided by the fibre, the number of missing gaps therein, the diameter d of the gaps, the spacing Λ thereof and N. To design the fibre, λ, the number of missing gaps, d/Λ, the core doping content, Λ0 and Δn are chosen; and ΔR is determined using equation [1] so as to obtain a flattened fundamental mode.

Abstract translation: 纤维包括具有折射率N且直径为10μm或更大的芯体（2），被具有指数N +＆Dgr; n和厚度＆Dgr; R的环（4）和环绕环的包层（6）包围， 包括例如气隙（8）。 根据本发明：＆Dgr;n≥10-3和＆Dgr; R =α/（＆Dgr; n）＆bgr; [1]其中：5×10-4μm＆nlE;α＆nlE; 5×10-2μm和0.5＆nlE;＆bgr;＆nlE; 1.5。 数字α和＆bgr; 取决于由光纤引导的光的波长λ，其中缺失的间隙的数量，间隙的直径d，间隔Λ和N。为了设计光纤，λ，缺失间隙的数量，d / Λ，选择核掺杂含量Λ0和＆Dgr; n; 并且使用等式[1]确定＆Dgr; R，以便获得平坦的基本模式。

公开(公告)号：US08565566B2

公开(公告)日：2013-10-22

申请号：US13253445

申请日：2011-10-05

Applicant: Sumio Hoshino ,  Kazuhiro Yonezawa

Inventor： Sumio Hoshino ,  Kazuhiro Yonezawa

IPC: G02B6/028

CPC classification number: C03C13/046 ,  C03B37/01446 ,  C03B2201/20 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/26 ,  C03C2201/11 ,  C03C2201/31 ,  G02B6/0281 ,  G02B6/0288

Abstract: The present invention relates to a multi-mode optical fiber having a structure enabling stable production and broadening of communication bandwidth as compared with the conventional structures. The multi-mode optical fiber has a core with a diameter 2a that is doped with GeO2 and chlorine. The chlorine concentration profile in the core along the diametric direction of the multi-mode optical fiber has a shape such that the chlorine concentration at a second measurement position within a range at a distance of from 0.9 a to 1.0 a from the center of the core in the radial direction thereof is higher than the chlorine concentration at a first measurement position at a distance of a/2 from the center of the core in the radial direction thereof.

Abstract translation: 本发明涉及一种具有与常规结构相比能够稳定生产和扩大通信带宽的结构的多模光纤。 多模光纤具有掺杂有GeO 2和氯的直径为2a的芯。 核心中沿着多模光纤的直径方向的氯浓度分布具有这样的形状，使得第二测量位置处的氯浓度在距芯的中心0.9a至1.0a之间的范围内 在径向方向上的距离高于核心的径向a / 2的距离处的第一测量位置处的氯浓度。

公开(公告)号：US20130272670A1

公开(公告)日：2013-10-17

申请号：US13995310

申请日：2010-12-23

Applicant: Silvio Frigerio ,  Ricardo Antunes De Camargo ,  Lidia Terruzzi

Inventor： Silvio Frigerio ,  Ricardo Antunes De Camargo ,  Lidia Terruzzi

IPC: G02B6/036

CPC classification number: G02B6/036 ,  C03B37/01211 ,  C03B37/01248 ,  C03B37/01257 ,  C03B37/01446 ,  C03B37/01807 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2203/23 ,  C03B2203/24 ,  G02B6/03666

Abstract: 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.

Abstract translation: 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 。

公开(公告)号：US08526773B2

公开(公告)日：2013-09-03

申请号：US12771272

申请日：2010-04-30

Applicant: George Edward Berkey ,  Valery A Kozlov

Inventor： George Edward Berkey ,  Valery A Kozlov

IPC: G02B6/02

CPC classification number: C03B37/01217 ,  C03B37/01231 ,  C03B37/01446 ,  C03B37/02709 ,  C03B2201/08 ,  C03B2201/10 ,  C03B2201/31 ,  C03B2203/302 ,  C03B2203/31 ,  G02B6/024

Abstract: According to some embodiments, the optical fiber comprises: (i) a core having a first index of refraction n1; (ii) a cladding surrounding the core and having a second index of refraction n2, such that n1>n2, wherein cladding has at two sets of stress rods extending longitudinally through the length of the optical fiber, wherein the two sets of stress rods have CTE coefficients and/or softening points different from one another and different from that of cladding.

Abstract translation: 根据一些实施例，光纤包括：（i）具有第一折射率n1的芯; （ii）围绕所述芯并且具有第二折射率n2的包层，使得n1> n2，其中包层具有沿着所述光纤的长度纵向延伸的两组应力棒，其中所述两组应力棒具有 CTE系数和/或软化点彼此不同，不同于包层。

公开(公告)号：US08418504B2

公开(公告)日：2013-04-16

申请号：US11895737

申请日：2007-08-27

Applicant: Won-Taek Han ,  Yune-Hyoun Kim ,  Tae-Jung Ahn

Inventor： Won-Taek Han ,  Yune-Hyoun Kim ,  Tae-Jung Ahn

IPC: C03B37/012

CPC classification number: C03B37/01838 ,  C03B37/01433 ,  C03B2201/10 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/42 ,  C03C13/046 ,  C03C25/601

Abstract: Disclosed is a method of fabricating an optical fiber or an optical device doped with reduced metal ion and/or rare earth ion, comprising steps of: forming a partially-sintered fine structure in a base material for fabricating the optical fiber or the optical device; soaking the fine structure into a doping solution containing a reducing agent together with metal ion and rare earth ion during a selected time; drying the fine structure in which the metal ion and/or rare ion are/is soaked; and heating the fine structure such that the fine structure is sintered.

Abstract translation: 公开了一种制造光纤或掺杂有还原金属离子和/或稀土离子的光学器件的方法，包括以下步骤：在用于制造光纤或光学器件的基底材料中形成部分烧结的精细结构; 在选定的时间内将精细结构与金属离子和稀土离子一起浸入含有还原剂的掺杂溶液中; 干燥其中金属离子和/或稀有离子被浸泡的精细结构; 并加热精细结构，使得精细结构烧结。

公开(公告)号：US20130081429A1

公开(公告)日：2013-04-04

申请号：US13628444

申请日：2012-09-27

Applicant: FUJIKURA LTD.

Inventor： Nobuo Oozeki ,  Kentaro Ichii ,  Tomofumi Arai

IPC: C03B37/014 ,  C03B37/025

CPC classification number: C03B37/01861 ,  C03B37/01869 ,  C03B2201/30 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2203/23

Abstract: Provided is a method of manufacturing an optical fiber base material by an inside mounting method, including: a step of rotating and heating a glass tube fixed at two positions and supplying a gas into a through-hole of the glass tube, wherein in the step, the glass tube is warped so that an axis between respective fixed portions of the glass tube has a shape in which a catenary curve is reversed in the vertical direction.

Abstract translation: 提供一种通过内部安装方法制造光纤基材的方法，包括：将固定在两个位置的玻璃管旋转和加热并将气体供应到玻璃管的通孔中的步骤，其中在步骤 玻璃管弯曲，使得玻璃管的各固定部分之间的轴线具有垂直线在垂直方向上反转的形状。