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：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：US20140232046A1

公开(公告)日：2014-08-21

申请号：US14348260

申请日：2012-09-28

Applicant: Commissariat a I'energie atomique et aux ene alt

Inventor： Tarek Fathallah ,  Gilles Marchand

IPC: C03B19/12

CPC classification number: C03B19/12 ,  B28B1/24 ,  B28B7/344 ,  B28B7/346 ,  B28B7/348 ,  B28B11/12 ,  C03B37/016 ,  C03B2201/02 ,  C03B2201/42 ,  C03C1/006 ,  C03C2203/26 ,  C04B35/14 ,  C04B35/16 ,  C04B35/624 ,  C04B2235/3232 ,  C04B2235/441 ,  C04B2235/6027 ,  C04B2235/606

Abstract: A process for manufacturing an object made of a constituent material obtained from a sol-gel solution, the process including, successively: a) introducing the sol-gel solution into a mold of the object to be manufactured; b) gelling the sol-gel solution; c) drying the gel obtained in b) in the mold, by which the gel is converted into the constituent material of the object, wherein the mold includes a closed chamber and includes a material configured to allow evacuation of gases formed during b) and/or c).

Abstract translation: 一种制造由溶胶 - 凝胶溶液获得的构成材料制成的物体的方法，该方法包括：a）将溶胶 - 凝胶溶液引入待制造物体的模具中; b）凝胶溶胶凝胶溶液; c）将模具中b）中获得的凝胶干燥，通过该凝胶将凝胶转化成物体的构成材料，其中模具包括封闭室，并且包括被配置为允许排空在b）和/ 或c）。

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：US08230701B2

公开(公告)日：2012-07-31

申请号：US12154908

申请日：2008-05-28

Applicant: Raymond D Groh ,  Brian Lee Harper ,  John Edward Maxon

Inventor： Raymond D Groh ,  Brian Lee Harper ,  John Edward Maxon

IPC: C03B37/018

CPC classification number: C03B19/1423 ,  C03B2201/02 ,  C03B2201/06 ,  C03B2207/52 ,  C03B2207/62 ,  C03B2207/70 ,  Y02P40/57

Abstract: A method for forming a silica glass blank includes generating soot using an array of soot producing burners, directing the soot along a first direction onto a bait, collecting the soot on the bait, imparting relative oscillatory motion having a repeat period between the array of soot producing burners and the bait along a second direction orthogonal to the first direction while collecting the soot, and offsetting the relative oscillatory motion by a selected distance along the second direction after each repeat period.

Abstract translation: 一种用于形成二氧化硅玻璃坯料的方法包括使用产生烟炱的燃烧器阵列产生烟灰，将烟尘沿第一方向引导到诱饵上，将烟炱收集在诱饵上，赋予在烟炱阵列之间具有重复周期的相对振荡运动 在收集烟灰的同时沿着与第一方向正交的第二方向产生燃烧器和诱饵，并且在每个重复周期之后沿着第二方向将相对振荡运动偏移选定的距离。

公开(公告)号：US20120167623A1

公开(公告)日：2012-07-05

申请号：US13335892

申请日：2011-12-22

Applicant: Toshiaki SUDO ,  Eriko SUZUKI

Inventor： Toshiaki SUDO ,  Eriko SUZUKI

IPC: C03B20/00 ,  C03B19/09

CPC classification number: C03B19/095 ,  C03B2201/02 ,  G01J5/0022 ,  G01J5/0037 ,  G01J5/0862 ,  Y02P40/57

Abstract: Accurate temperature measurement during manufacturing a vitreous silica crucible is enabled. The present invention provides an apparatus for manufacturing a vitreous silica crucible including: a mold for forming a silica powder layer by supplying silica powder therein; an arc discharge unit having carbon electrodes and a power supply unit and for heating and fusing the silica powder layer by arc discharge; and a temperature measurement unit for measuring temperature of a fused portion in the mold, wherein the temperature measurement unit is an radiation thermometer for measuring temperature by detecting radiation energy of a wavelength of 4.8 to 5.2 μm.

Abstract translation: 在制造玻璃状石英坩埚期间能够进行精确的温度测量。 本发明提供一种二氧化硅玻璃坩埚的制造装置，其特征在于，包括：通过在其中供给二氧化硅粉末而形成二氧化硅粉末层的模具; 具有碳电极和电源单元的电弧放电单元，用于通过电弧放电加热和熔融二氧化硅粉末层; 以及用于测量模具中的熔融部分的温度的温度测量单元，其中温度测量单元是通过检测4.8至5.2μm的波长的辐射能量来测量温度的辐射温度计。

公开(公告)号：US07992413B2

公开(公告)日：2011-08-09

申请号：US11839871

申请日：2007-08-16

Applicant: Keigo Hino

Inventor： Keigo Hino

IPC: C03B37/018

CPC classification number: C03B19/1453 ,  C03B2201/02 ,  C03C3/06

Abstract: An object of the invention is to provide a process for producing a synthetic quartz glass while taking account of a refractive index distribution remaining in the synthetic quartz glass; a jig for use in the synthetic-quartz-glass production process; and a synthetic quartz glass for an optical member, produced by the process. A process for producing a synthetic quartz glass, which comprises: depositing and growing fine quartz glass particles synthesized by flame hydrolysis of a glass-forming material on a rotating target to thereby form a porous quartz glass base of a substantially cylindrical shape; presintering the porous quartz glass base; and heating the presintered porous quartz glass base to a temperature not lower than the vitrification temperature to convert the base into a transparent glass, wherein in the step of conversion into a transparent glass, the porous quartz glass base is placed so as to make its growth axis vertical and a load is vertically imposed on the thus-placed porous quartz glass base.

Abstract translation: 本发明的目的是提供一种制造合成石英玻璃的方法，同时考虑到合成石英玻璃中残留的折射率分布; 用于合成石英玻璃生产工艺的夹具; 以及通过该方法制造的用于光学部件的合成石英玻璃。 一种合成石英玻璃的制造方法，其特征在于，包括：在旋转靶上沉积并生长由玻璃形成材料的火焰水解合成的精细石英玻璃粒子，形成大致圆筒状的多孔石英玻璃基材; 预烧结多孔石英玻璃基底; 将预烧结的多孔石英玻璃基体加热到不低于玻璃化温度的温度，将基底转变为透明玻璃，其中在转化为透明玻璃的步骤中，放置多孔石英玻璃基底使其生长 并且负载垂直施加在如此放置的多孔石英玻璃基底上。

公开(公告)号：US07930904B2

公开(公告)日：2011-04-26

申请号：US12244359

申请日：2008-10-02

Applicant: Dana Craig Bookbinder ,  Richard Michael Fiacco ,  Ming-Jun Li ,  Michael Thomas Murtagh ,  Pushkar Tandon

Inventor： Dana Craig Bookbinder ,  Richard Michael Fiacco ,  Ming-Jun Li ,  Michael Thomas Murtagh ,  Pushkar Tandon

IPC: C03B37/018

CPC classification number: C03B37/02781 ,  C03B37/01446 ,  C03B2201/02 ,  C03B2201/31 ,  C03B2203/14 ,  C03B2203/42 ,  C03C13/00 ,  C03C13/04 ,  G02B1/048 ,  G02B6/02333 ,  G02B6/02357

Abstract: Microstructured optical fiber and method of making. Glass soot is deposited and then consolidated under conditions which are effective to trap a portion of the consolidation gases in the glass to thereby produce a non-periodic array of voids which may then be used to form a void containing cladding region in an optical fiber. Preferred void producing consolidation gases include nitrogen, argon, CO2, oxygen, chlorine, CF4, CO, SO2 and mixtures thereof.

Abstract translation: 微结构光纤及其制造方法。 玻璃烟灰沉积，然后在有效地捕获玻璃中的一部分固结气体的条件下固化，从而产生非周期性的空隙阵列，然后可以将其用于在光纤中形成含有空隙的包层区域。 优选的空隙产生固结气体包括氮气，氩气，CO 2，氧气，氯气，CF 4，CO，SO 2及其混合物。

公开(公告)号：US20100189398A1

公开(公告)日：2010-07-29

申请号：US12758405

申请日：2010-04-12

Applicant: Cedric Gonnet ,  Elise Regnier ,  Frans Gooijer ,  Pascale Nouchi

Inventor： Cedric Gonnet ,  Elise Regnier ,  Frans Gooijer ,  Pascale Nouchi

IPC: G02B6/02

CPC classification number: C03B37/01291 ,  C03B37/01892 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/24 ,  C03C13/045 ,  C03C13/046 ,  C03C17/3417 ,  G02B6/03627 ,  G02B6/0365

Abstract: An optical fiber preform comprises a primary preform that includes at least one inner cladding and a central core deposited inside a fluorine doped silica tube. The fluorine doped silica tube has a cross section area that is no more than about 15 percent smaller than the cross section area of the primary preform. The optical fiber preform has a large capacity, may be manufactured at reduced cost, and may be drawn to produce an optical fiber having reduced transmission losses.

Abstract translation: 光纤预制件包括初级预制件，其包括至少一个内包层和沉积在掺氟二氧化硅管内的中心芯。 氟掺杂二氧化硅管的截面面积小于初级预制件的横截面面积的约15％。 光纤预制棒具有大的容量，可以以低成本制造，并且可以被拉制以产生具有降低的传输损耗的光纤。

公开(公告)号：US07711238B2

公开(公告)日：2010-05-04

申请号：US11864375

申请日：2007-09-28

Applicant: Masashi Ikeda ,  Masakazu Nakayama ,  Kuniharu Himeno ,  Masaaki Ohtsuka ,  Masakazu Oohashi ,  Daiichiro Tanaka

Inventor： Masashi Ikeda ,  Masakazu Nakayama ,  Kuniharu Himeno ,  Masaaki Ohtsuka ,  Masakazu Oohashi ,  Daiichiro Tanaka

IPC: G02B6/00

CPC classification number: G02B6/024 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2203/23 ,  C03B2203/30 ,  C03C13/046 ,  C03C13/048 ,  G02B6/02 ,  G02B6/2551 ,  H01S3/06708 ,  H01S3/06729

Abstract: An optical fiber that includes a core containing a first concentration of germanium, an inner cladding arranged on the core, the inner cladding containing a second concentration of germanium and having a first diffusion coefficient, and an outer cladding arranged on the inner cladding, the outer cladding having a second diffusion coefficient, where the first diffusion coefficient is larger than the second diffusion coefficient, and where the first concentration of germanium is about 200% or more of the second concentration of germanium. An optical fiber constructed in this manner can be spliced with an optical fiber having a different MFD, such as a single-mode optical fiber or an erbium-doped optical fiber, with low splice loss and a sufficient splicing strength.

Abstract translation: 一种光纤，其包括含有锗的第一浓度的芯，设置在芯上的内包层，包含锗的第二浓度并具有第一扩散系数的内包层以及布置在内包层上的外包层 包层具有第二扩散系数，其中第一扩散系数大于第二扩散系数，并且其中第一浓度的锗为第二浓度的锗的约200％以上。 以这种方式构造的光纤可以用具有不同MFD的光纤（例如单模光纤或掺铒光纤）进行拼接，具有低接头损耗和足够的拼接强度。