公开(公告)号：US20170351023A1

公开(公告)日：2017-12-07

申请号：US15537005

申请日：2015-12-15

Applicant: NKT PHOTONICS A/S

Inventor： Thomas Tanggaard ALKESKJOLD ,  Casper Laur BYG ,  Christian JAKOBSEN ,  Jens Kristian LYNGSØE ,  Kim G. JESPERSEN ,  Jeppe JOHANSEN ,  Martin Dybendal MAACK ,  Martin Erland Vestergaard PEDERSEN ,  Carsten L. THOMSEN

IPC: G02B6/036 ,  C03C13/04 ,  C03C25/10 ,  C03B37/027 ,  G02B6/14 ,  G02B6/02 ,  G02F1/365 ,  C03C25/60 ,  G02F1/35

CPC classification number: G02B6/03694 ,  C03B37/02781 ,  C03B37/0279 ,  C03B37/10 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/21 ,  C03B2201/22 ,  C03B2203/14 ,  C03B2203/23 ,  C03B2203/42 ,  C03C13/045 ,  C03C13/046 ,  C03C25/1061 ,  C03C25/1062 ,  C03C25/1068 ,  C03C25/607 ,  C03C2201/02 ,  C03C2201/21 ,  C03C2201/22 ,  G02B6/02347 ,  G02B6/02357 ,  G02B6/02361 ,  G02B6/02366 ,  G02B6/02395 ,  G02B6/14 ,  G02F1/365 ,  G02F2001/3528

Abstract: The invention concerns a Photonic Crystal Fiber (PCF) a method of its production and a supercontinuum light source comprising such PCF. The PCF has a longitudinal axis and comprises a core extending along the length of said longitudinal axis and a cladding region surrounding the core. At least the cladding region comprises a plurality of microstructures in the form of inclusions extending along the longitudinal axis of the PCF in at least a microstructured length section. In at least a degradation resistant length section of the microstructured length section the PCF comprises hydrogen and/or deuterium. In at least the degradation resistant length section the PCF further comprises a main coating surrounding the cladding region, which main coating is hermetic for the hydrogen and/or deuterium at a temperature below Th, wherein Th is at least about 50° C., preferably 50° C.

公开(公告)号：US09772444B2

公开(公告)日：2017-09-26

申请号：US15467264

申请日：2017-03-23

Applicant: Fujikura Ltd.

Inventor： Takayuki Kitamura ,  Sho Endo ,  Tatsuya Kishi ,  Ryo Maruyama

IPC: G02B6/02 ,  G02B6/036

CPC classification number: G02B6/03627 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2203/22 ,  C03B2203/23 ,  G02B6/02004 ,  G02B6/0365

Abstract: An optical fiber including a core and a cladding including an inner cladding layer and an outer cladding layer is provided. The refractive index of the core Δ1, the refractive index of the inner cladding layer Δ2, and the refractive index of the outer cladding layer Δ3 have a relationship denoted by the following expressions: Δ1max>Δ2min and Δ1max>Δ3, and 0.01%

公开(公告)号：US20170176673A1

公开(公告)日：2017-06-22

申请号：US15378356

申请日：2016-12-14

Applicant: Corning Incorporated

Inventor： George Edward Berkey ,  Steven Bruce Dawes

IPC: G02B6/036 ,  C03B37/014 ,  C03B37/025 ,  G02B6/02

CPC classification number: G02B6/03627 ,  C03B19/1453 ,  C03B32/00 ,  C03B37/01446 ,  C03B37/01453 ,  C03B37/025 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/31 ,  C03B2203/23 ,  C03B2203/24 ,  C03C3/06 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/20 ,  C03C2201/31 ,  C03C2203/54 ,  G02B6/02009 ,  G02B6/036 ,  G02B6/03622

Abstract: Bromine doping of silica glass is demonstrated. Bromine doping can be achieved with SiBr4 as a precursor. Bromine doping can occur during heating, consolidation or sintering of a porous silica glass body. Doping concentrations of bromine increase with increasing pressure of the doping precursor and can be modeled with a power law equation in which doping concentration is proportional to the square root of the pressure of the doping precursor. Bromine is an updopant in silica and the relative refractive index of silica increases approximately linearly with doping concentration. Bromine can be used as a dopant for optical fibers and can be incorporated in the core and/or cladding regions. Core doping concentrations of bromine are sufficient to permit use of undoped silica as an inner cladding material in fibers having a trench in the refractive index profile. Co-doping of silica glass with bromine and chlorine is also demonstrated.

公开(公告)号：US09580348B2

公开(公告)日：2017-02-28

申请号：US14398124

申请日：2013-04-17

Applicant: Heraeus Quarzglas GmbH & Co. KG

Inventor： Walter Lehmann ,  Achim Hofmann ,  Thomas Kayser ,  Martin Arndt

IPC: C03B20/00 ,  C04B35/185 ,  C03B19/10 ,  C23C4/10 ,  C23C4/18 ,  F27B7/00 ,  F27B7/04 ,  F27B7/34 ,  C04B35/626 ,  C04B35/64

CPC classification number: C03B20/00 ,  C03B19/1095 ,  C03B2201/02 ,  C04B35/185 ,  C04B35/62665 ,  C04B35/64 ,  C04B2235/5427 ,  C04B2235/77 ,  C04B2235/94 ,  C23C4/10 ,  C23C4/11 ,  C23C4/18 ,  C23C4/185 ,  F27B7/00 ,  F27B7/04 ,  F27B7/34

Abstract: The production of a quartz glass grit comprises the granulation of pyrogenetically produced silicic acid, and the formation of a SiO2 granulate and the vitrification of the SiO2 granulate using a treatment gas, which contains at least 30% by volume of helium and/or hydrogen. Said process is time consuming and cost intensive. In order to provide a method which makes it possible, starting from a porous SiO2 granulate, to manufacture, in a cost effective manner, a dense, synthetic quartz glass grit, which is suitable for melting bubble-free components made of quartz glass, according to the invention the vitrification of the SiO2 granulate occurs in a rotary kiln having a mullite-containing ceramic rotary kiln, for the manufacture of which a starting powder, which contains a molar proportion of at least 45% SiO2 and Al2O3 is applied by means of a thermal powder spraying method, forming a mullite-containing layer on a mold core, and the mold core is subsequently removed, and wherein the ceramic rotary kiln is flooded with a treatment gas or rinsed with a treatment gas, and wherein the ceramic rotary kiln is flooded with a treatment gas or rinsed with a treatment gas, which contains at least 30% by volume of helium and/or hydrogen.

Abstract translation: 石英玻璃砂粒的生产包括热解产生的硅酸的制粒，以及SiO 2颗粒的形成和使用含有至少30体积％的氦和/或氢的处理气体的SiO 2颗粒的玻璃化。 所述方法是耗时且成本较高的。 为了提供一种可以从多孔SiO 2颗粒开始的方法，以成本有效的方式制造致密的合成石英玻璃砂粒，其适用于熔化由石英玻璃制成的无气泡组分，根据 对于本发明，SiO 2颗粒的玻璃化发生在具有含莫来石的陶瓷回转窑的回转窑中，用于制造其中含有至少45％的SiO 2和Al 2 O 3的摩尔比例的起始粉末通过 热成型粉末喷涂法，在模芯上形成含莫来石的层，然后除去模芯，其中陶瓷回转窑用处理气体淹没或用处理气体冲洗，其中陶瓷回转窑 用处理气体淹没，或用含有至少30体积％氦和/或氢的处理气体漂洗。

公开(公告)号：US20160209585A1

公开(公告)日：2016-07-21

申请号：US15083957

申请日：2016-03-29

Applicant: FUJIKURA LTD.

Inventor： Tatsuya KISHI ,  Sho ENDO ,  Takayuki KITAMURA

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

CPC classification number: G02B6/0281 ,  C03B37/014 ,  C03B37/018 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2203/22 ,  C03B2203/23 ,  C03B2203/26 ,  G02B6/02009 ,  G02B6/02028 ,  G02B6/028 ,  G02B6/03627 ,  G02B6/03633 ,  G02B6/0365

Abstract: An optical fiber includes a core, and a clad surrounding an outer circumference of the core, in which a first relative refractive index difference Δ1a is greater than 0, a second relative refractive index difference Δ1b is greater than 0, the first relative refractive index difference Δ1a is greater than the second relative refractive index difference Δ1b, the first relative refractive index difference Δ1a and the second relative refractive index difference Δ1b satisfy a relationship denoted by the following expression: 0.20≦(Δ1a−Δ1b)/Δ1a≦0.88, and a refractive index profile A of the core in an entire region of a section of 0≦r≦r1 as a function Δ(r) of a distance r from a center of the core in the radial direction is denoted by the following expression: Δ(r)=Δ1a−(Δ1a−Δ1b)r/r1.

Abstract translation: 光纤包括芯和围绕芯的外周的包层，其中第一相对折射率差Dgr1a大于0，第二相对折射率差Dgr; 1b大于0，第一 相对折射率差Dgr1a1大于第二相对折射率差Dgr; 1b，第一相对折射率差Dgr1a1和第二相对折射率差Dgr1b满足由以下表达式表示的关系：0.20＆nlE （＆Dgr; 1a-＆Dgr; 1b）/＆Dgr; 1a＆nlE; 0.88，并且在0＆lt; nlE的截面的整个区域中的芯的折射率分布A;作为函数的函数＆Dgr（r） （r）=＆Dgr; 1a - （＆Dgr; 1a-＆Dgr; 1b）r / r1表示从径向方向的芯的中心的r。

公开(公告)号：US20150107301A1

公开(公告)日：2015-04-23

申请号：US14398124

申请日：2013-04-17

Applicant: Heraeus Quarzglas GmbH & Co. KG

Inventor： Walter Lehmann ,  Achim Hofmann ,  Thomas Kayser ,  Martin Arndt

IPC: C03B20/00 ,  C03B19/10

CPC classification number: C03B20/00 ,  C03B19/1095 ,  C03B2201/02 ,  C04B35/185 ,  C04B35/62665 ,  C04B35/64 ,  C04B2235/5427 ,  C04B2235/77 ,  C04B2235/94 ,  C23C4/10 ,  C23C4/11 ,  C23C4/18 ,  C23C4/185 ,  F27B7/00 ,  F27B7/04 ,  F27B7/34

Abstract: The production of a quartz glass grit comprises the granulation of pyrogenetically produced silicic acid, and the formation of a SiO2 granulate and the vitrification of the SiO2 granulate using a treatment gas, which contains at least 30% by volume of helium and/or hydrogen. Said process is time consuming and cost intensive. In order to provide a method which makes it possible, starting from a porous SiO2 granulate, to manufacture, in a cost effective manner, a dense, synthetic quartz glass grit, which is suitable for melting bubble-free components made of quartz glass, according to the invention the vitrification of the SiO2 granulate occurs in a rotary kiln having a mullite-containing ceramic rotary kiln, for the manufacture of which a starting powder, which contains a molar proportion of at least 45% SiO2 and Al2O3 is applied by means of a thermal powder spraying method, forming a mullite-containing layer on a mold core, and the mold core is subsequently removed, and wherein the ceramic rotary kiln is flooded with a treatment gas or rinsed with a treatment gas, and wherein the ceramic rotary kiln is flooded with a treatment gas or rinsed with a treatment gas, which contains at least 30% by volume of helium and/or hydrogen.

Abstract translation: 石英玻璃砂粒的生产包括热解产生的硅酸的制粒，以及SiO 2颗粒的形成和使用含有至少30体积％的氦和/或氢的处理气体的SiO 2颗粒的玻璃化。 所述方法是耗时且成本较高的。 为了提供一种可以从多孔SiO 2颗粒开始的方法，以成本有效的方式制造致密的合成石英玻璃砂粒，其适用于熔化由石英玻璃制成的无气泡组分，根据 对于本发明，SiO 2颗粒的玻璃化发生在具有含莫来石的陶瓷回转窑的回转窑中，用于制造其中含有至少45％的SiO 2和Al 2 O 3的摩尔比例的起始粉末通过 热成型粉末喷涂法，在模芯上形成含莫来石的层，然后除去模芯，其中陶瓷回转窑用处理气体淹没或用处理气体冲洗，其中陶瓷回转窑 用处理气体淹没，或用含有至少30体积％氦和/或氢的处理气体漂洗。

公开(公告)号：US08971684B2

公开(公告)日：2015-03-03

申请号：US13587189

申请日：2012-08-16

Applicant: Shoji Tanigawa ,  Katsuhiro Takenaga

Inventor： Shoji Tanigawa ,  Katsuhiro Takenaga

IPC: G02B6/036 ,  G02B6/255 ,  C03B37/012 ,  C03B37/027 ,  G02B6/02

CPC classification number: G02B6/02042 ,  C03B37/01222 ,  C03B37/02754 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/26 ,  C03B2203/34 ,  C03B2205/14

Abstract: Provided is a method of producing a preform 10P for a coupled multi-core fiber including: an arranging process P1 for arranging a plurality of core glass bodies 11R and a clad glass body 12R in such a way that the plurality of core glass bodies 11R are surrounded by the clad glass body 12R; and a collapsing process P2 for collapsing a gap between the core glass bodies 11R and the clad glass body 12R, wherein the respective core glass bodies 11R have outer regions 16 having a predetermined thickness from the periphery surfaces and made of silica glass undoped with germanium, and the clad glass body 12R is made of silica glass having a refractive index lower than a refractive index of the outer regions of the core glass bodies 11R.

Abstract translation: 提供一种制造用于耦合的多芯光纤的预成型件10P的方法，包括：布置过程P1，其布置多个芯玻璃体11R和包层玻璃体12R，使得多个芯玻璃体11R为 被包层玻璃体12R包围; 以及用于塌缩芯玻璃体11R与包层玻璃体12R之间的间隙的塌陷处理P2，其中各个芯玻璃体11R具有从外围表面预定厚度的外部区域16，并且由锗未掺杂的石英玻璃制成， 并且包层玻璃体12R由折射率低于芯玻璃体11R的外部区域的折射率的石英玻璃制成。

公开(公告)号：US20150043880A1

公开(公告)日：2015-02-12

申请号：US14123085

申请日：2012-05-10

Applicant: Lothar Brehm ,  Matthias Auth ,  Jörg Kötzing

Inventor： Lothar Brehm ,  Matthias Auth ,  Jörg Kötzing

IPC: C03B37/018 ,  C23C16/22 ,  C03B37/014 ,  G02B6/036

CPC classification number: C03B37/01869 ,  C03B37/01211 ,  C03B37/01228 ,  C03B37/01237 ,  C03B37/014 ,  C03B37/01493 ,  C03B37/018 ,  C03B37/01892 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2203/04 ,  C03B2203/12 ,  C03B2203/22 ,  C03B2203/23 ,  C23C16/22 ,  G02B6/036 ,  Y02P40/57

Abstract: Methods for producing a semifinished part for the manufacture of an optical fiber are disclosed. The methods are optimized in terms of bending. The methods include the steps of providing a shell tube with a shell refractive index which is lower in relation to the light-conducting core. Then, at least one protective, intermediate and/or barrier layer is applied to a radially outermost and/or innermost tube surface of the respective shell tube, wherein a build-up of light-conducting layers is realized on the inner side and/or the outer side of the shell tube. Finally, the shell tubes are joined by collapsing so as to form the semifinished part.

Abstract translation: 公开了制造光纤的半成品部件的制造方法。 该方法在弯曲方面进行了优化。 所述方法包括提供壳体折射率相对于导光芯较低的壳管的步骤。 然后，至少一个保护性，中间和/或阻挡层被施加到相应的外壳管的径向最外侧和/或最内侧的管表面，其中导光层的积聚在内侧和/或 外壳的外侧。 最后，通过塌缩连接壳管，形成半成品。

公开(公告)号：US20130075324A1

公开(公告)日：2013-03-28

申请号：US13698979

申请日：2011-06-17

Applicant: Kazuyuki Sakamoto ,  Osamu Kojima ,  Osamu Yamaguchi

Inventor： Kazuyuki Sakamoto ,  Osamu Kojima ,  Osamu Yamaguchi

IPC: B01D71/04 ,  B01D67/00 ,  B01D69/08 ,  B01D69/06 ,  B01D71/32 ,  B01D71/30

CPC classification number: B01D69/125 ,  B01D67/0048 ,  B01D67/0079 ,  B01D69/12 ,  B01D71/04 ,  B01D71/32 ,  B01D71/36 ,  C03B19/12 ,  C03B2201/02 ,  C08J5/18 ,  C08J2327/12

Abstract: An objective of the invention disclosure is to provide a composite porous film that has both a sufficient chemical resistance and strength allowing suppression of heat deflection under a liquid at a high temperature, and a filter using the same; the composite porous film for fluid separation to be provided according to the invention includes a fluoropolymer resin and a SiO2 glass.

Abstract translation: 本发明公开的目的是提供一种复合多孔膜，其具有足够的耐化学性和强度，从而抑制在高温下的液体下的热偏转，以及使用该复合多孔膜的过滤器。 根据本发明提供的用于流体分离的复合多孔膜包括含氟聚合物树脂和SiO 2玻璃。

公开(公告)号：US20120324958A1

公开(公告)日：2012-12-27

申请号：US13603399

申请日：2012-09-04

Applicant: Chen YANG ,  Qingrong HAN ,  Weijun TONG ,  Jie LUO ,  Yongtao LIU

Inventor： Chen YANG ,  Qingrong HAN ,  Weijun TONG ,  Jie LUO ,  Yongtao LIU

IPC: C03B37/018 ,  C03B37/027

CPC classification number: G02B6/0285 ,  C03B37/01211 ,  C03B37/014 ,  C03B37/0183 ,  C03B37/01892 ,  C03B37/02754 ,  C03B2201/02 ,  C03B2201/04 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/86 ,  C03B2203/23 ,  C03B2205/09 ,  C03B2205/14 ,  C03C13/045 ,  C03C2201/12 ,  C03C2201/23 ,  C03C2201/31 ,  C03C2203/40 ,  G02B6/02395 ,  G02B6/0283 ,  G02B6/03633 ,  Y02P40/57

Abstract: A method for manufacturing an optical fiber preform, including: a) providing a lining tube as a substrate tube, and doping and depositing by a PCVD or an MCVD process; b) in the reacting gas of silicon tetrachloride and oxygen, introducing a fluorine-containing gas for fluorine doping, introducing germanium tetrachioride for germanium doping, ionizing the reacting gas in the lining tube through microwaves to form plasma, depositing the plasma on the inner wall of the lining tube in the form of glass; c) after the completion of deposition, processing the deposited lining tube into a solid core rod by melting contraction through an electric heating furnace; d) sleeving the solid core rod into a pure quartz glass jacketing tube and manufacturing the two into an optical fiber preform; and e) allowing the effective diameter d of the optical fiber preform to become between 95 and 205 mm.

Abstract translation: 一种制造光纤预制棒的方法，包括：a）提供衬管作为衬底管，并通过PCVD或MCVD工艺进行掺杂和沉积; b）在四氯化硅和氧气的反应气体中，引入用于氟掺杂的含氟气体，引入用于锗掺杂的四氯化锗，通过微波将衬里管中的反应气体离子化以形成等离子体，将等离子体沉积在内壁上 的衬里管以玻璃的形式; c）沉积完成后，通过电加热炉熔化收缩将沉积的衬管加工成固体芯棒; d）将实心芯棒套入纯石英玻璃护套管并将其制造成光纤预制棒; 以及e）允许光纤预型件的有效直径d变为95至205mm。