公开(公告)号：US20170371096A1

公开(公告)日：2017-12-28

申请号：US15700493

申请日：2017-09-11

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Hirotaka SAKUMA ,  Yoshiaki TAMURA ,  Keisei MORITA

IPC: G02B6/02 ,  C03B37/014 ,  C03C13/04

CPC classification number: G02B6/02 ,  C03B37/01211 ,  C03B37/01228 ,  C03B37/01248 ,  C03B37/014 ,  C03B37/01453 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2203/22 ,  C03C3/06 ,  C03C13/042 ,  C03C13/045 ,  C03C25/607 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  C03C2201/54

Abstract: An optical fiber containing alkali metal elements or the like in which Rayleigh scattering loss can be reduced is provided. An optical fiber includes a core composed of silica glass and a cladding which surrounds the core, has a refractive index lower than a refractive index of the core, and is composed of silica glass containing fluorine. The core contains a first group of dopants and a second group of dopants having a diffusion coefficient lower than a diffusion coefficient of the first group of dopants. The difference between the maximum value and the minimum value of residual stress in the optical fiber is 150 MPa or less.

公开(公告)号：US20170108642A1

公开(公告)日：2017-04-20

申请号：US15290105

申请日：2016-10-11

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yoshiaki TAMURA ,  Tetsuya HARUNA ,  Masaaki HIRANO ,  Hirotaka SAKUMA

IPC: G02B6/036 ,  C03C13/04

CPC classification number: G02B6/03694 ,  C03C13/045 ,  C03C13/046 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  C03C2201/54 ,  C03C2213/00 ,  G02B6/03611

Abstract: An optical fiber having a reduced attenuation includes a silica glass core and a silica glass cladding. The silica glass core has substantially no germanium and includes a first core and a second core. The second core encloses the first core, the refractive index of the second core is larger than the refractive index of the first core, and the average value of halogen concentration of the second core is 5000 ppm or more. The silica glass cladding surrounds the second core and contains substantially no gemianium. The refractive index of the cladding is smaller than the refractive index of the first core.

公开(公告)号：US09411095B2

公开(公告)日：2016-08-09

申请号：US14765110

申请日：2014-01-28

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yoshiaki Tamura ,  Tetsuya Haruna ,  Masaaki Hirano

IPC: G02B6/02 ,  C03B37/018 ,  C03B37/012 ,  C03C13/04

CPC classification number: G02B6/0229 ,  C03B37/01248 ,  C03B37/01807 ,  C03B37/01869 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/23 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/50 ,  G02B6/02395

Abstract: An optical fiber preform which can be drawn into a low attenuation optical fiber is provided with a core portion and a cladding portion surrounding the core portion. The core portion includes a first core portion and a second core portion surrounding the first core portion. The cladding portion includes a first cladding portion surrounding the second core portion and a second cladding portion surrounding the first cladding portion. The first core portion contains an alkali metal element, the concentration of oxygen molecules contained in glass is 30 mol ppb or more and 200 mol ppb or less in a part of or entire region having an alkali metal atom concentration of 100 atomic ppm or more, and the concentration of oxygen molecules contained in glass is 10 mol ppb or less in a region having an alkali metal atom concentration of 50 atomic ppm or less.

Abstract translation: 可以拉入低衰减光纤的光纤预制件设置有芯部和围绕芯部的包层部。 芯部包括第一芯部分和围绕第一芯部分的第二芯部分。 包层部分包括围绕第二芯部的第一包层部分和围绕第一包层部分的第二包层部分。 第一核心部分含有碱金属元素，在碱金属原子浓度为100原子ppm以上的部分或全部区域中，玻璃中含有的氧分子的浓度为30摩尔ppb以上且200摩尔ppb以下， 并且在碱金属原子浓度为50原子ppm以下的区域中，玻璃中含有的氧分子的浓度为10摩尔ppb以下。

公开(公告)号：US20160168010A1

公开(公告)日：2016-06-16

申请号：US14958024

申请日：2015-12-03

Applicant: Corning Incorporated

Inventor： Sezhian Annamalai ,  Carlos Alberto Duran ,  Kenneth Edward Hrdina

IPC: C03C3/06 ,  C03B25/02 ,  C03B19/14 ,  C03C3/112 ,  C03C4/00

CPC classification number: C03C3/06 ,  C03B19/1453 ,  C03B19/1461 ,  C03B25/02 ,  C03B2201/07 ,  C03B2201/075 ,  C03B2201/12 ,  C03B2201/14 ,  C03B2201/23 ,  C03B2201/32 ,  C03B2201/40 ,  C03B2201/42 ,  C03B2201/50 ,  C03B2201/54 ,  C03C3/112 ,  C03C4/00 ,  C03C2201/12 ,  C03C2201/14 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2201/42 ,  C03C2201/50 ,  C03C2201/54 ,  C03C2203/52

Abstract: A doped silica-titania glass article is provided that includes a glass article having a glass composition comprising (i) a silica-titania base glass, (ii) a fluorine dopant, and (iii) a second dopant. The fluorine dopant has a concentration of fluorine of up to 5 wt. % and the second dopant comprises one or more oxides selected from the group consisting of Al, Nb, Ta, B, Na, K, Mg, Ca and Li oxides at a total oxide concentration from 50 ppm to 6 wt. %. Further, the glass article has an expansivity slope of less than 0.5 ppb/K2 at 20° C. The second dopant can be optional. The composition of the glass article may also contain an OH concentration of less than 100 ppm.

Abstract translation: 提供掺杂二氧化硅 - 二氧化钛玻璃制品，其包括具有玻璃组合物的玻璃制品，所述玻璃组合物包含（i）二氧化硅 - 二氧化钛基底玻璃，（ii）氟掺杂剂和（iii）第二掺杂剂。 氟掺杂剂的氟浓度高达5wt。 ％，第二掺杂剂包含一种或多种选自Al，Nb，Ta，B，Na，K，Mg，Ca和Li氧化物的氧化物，其总氧化物浓度为50ppm至6wt。 ％。 此外，玻璃制品在20℃下具有小于0.5ppb / K 2的膨胀斜率。第二掺杂剂可以是任选的。 玻璃制品的组成也可以含有小于100ppm的OH浓度。

公开(公告)号：US20160147010A1

公开(公告)日：2016-05-26

申请号：US14943190

申请日：2015-11-17

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yoshiaki TAMURA ,  Tetsuya HARUNA ,  Yoshihiro SAITO ,  Yuki KAWAGUCHI ,  Masaaki HIRANO

IPC: G02B6/02

CPC classification number: G02B6/02 ,  C03B37/01211 ,  C03B37/014 ,  C03B37/01807 ,  C03B37/01861 ,  C03B37/01892 ,  C03B2201/06 ,  C03B2201/07 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/26 ,  C03B2205/40 ,  C03C3/06 ,  C03C13/045 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/50 ,  C03C2203/40

Abstract: An optical fiber containing an alkali metal and capable of reducing Rayleigh scattering loss is provided. An optical fiber has a core and a cladding made of silica glass and enclosing the core. The cladding contains fluorine and has a refractive index lower than the refractive index of the core. The core contains first group dopants selected from the group of Na element, K element, or a compound thereof at an average concentration of 0.2 ppm or more and 10 ppm or less. The core also contains second group dopants for reducing the viscosity of silica glass and having a diffusion coefficient of 1×10−12 cm2/s or more and smaller than the diffusion coefficient of the first group dopants, by an average concentration of 0.2 ppm or more at a temperature of 2000° C. to 2300° C.

Abstract translation: 提供含有碱金属并能够降低瑞利散射损失的光纤。 光纤具有由石英玻璃制成的芯和包层，并且包围芯。 包层含氟，折射率低于芯的折射率。 核心包含平均浓度为0.2ppm以上且10ppm以下的选自Na元素，K元素或其化合物的第一族掺杂剂。 该芯还含有第二组掺杂剂，用于降低石英玻璃的粘度，并且扩散系数为1×10-12cm2 / s以上且小于第一组掺杂剂的扩散系数，平均浓度为0.2ppm或 更高温度在2000°C至2300°C

公开(公告)号：US20150316712A1

公开(公告)日：2015-11-05

申请号：US14314394

申请日：2014-06-25

Applicant: CORNING INCORPORATED

Inventor： James Gary Anderson ,  Dana Craig Bookbinder ,  Lisa Carine Chacon ,  Calvin Thomas Coffey ,  Adam James Ellison ,  Gregory Gerard Gausman ,  Rostislav Radiyevich Khrapko ,  Stephan Lvovich Logunov ,  Michael Thomas Murtagh ,  Clinton Damon Osterhout ,  Sabyasachi Sen ,  William Anthony Whedon

IPC: G02B6/02 ,  C03B37/018 ,  C03B37/027 ,  C03B37/014 ,  G02B6/028 ,  C03B37/012

CPC classification number: G02B6/0228 ,  C03B37/01211 ,  C03B37/0124 ,  C03B37/014 ,  C03B37/01413 ,  C03B37/01446 ,  C03B37/0146 ,  C03B37/01466 ,  C03B37/01473 ,  C03B37/01807 ,  C03B37/01815 ,  C03B37/01838 ,  C03B37/01853 ,  C03B37/027 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/22 ,  C03B2201/31 ,  C03B2201/50 ,  C03B2203/22 ,  C03B2203/26 ,  C03B2203/29 ,  C03B2207/90 ,  C03C3/06 ,  C03C13/045 ,  C03C13/046 ,  C03C13/048 ,  C03C2201/12 ,  C03C2201/31 ,  C03C2201/50 ,  G02B6/02242 ,  G02B6/02271 ,  G02B6/028 ,  G02B6/03611 ,  G02B6/03644 ,  G02B6/03694 ,  Y10T428/294

Abstract: Disclosed is an optical fiber having a core with an alkali metal oxide dopant in an peak amount greater than about 0.002 wt. % and less than about 0.1 wt. %. The alkali metal oxide concentration varies with a radius of the optical fiber. By appropriately selecting the concentration of alkali metal oxide dopant in the core and the cladding, a low loss optical fiber may be obtained. Also disclosed are several methods of making the optical fiber including the steps of forming an alkali metal oxide-doped rod, and adding additional glass to form a draw perform. Preferably, the draw preform has a final outer dimension (d2), wherein an outer dimension (d1) of the rod is less than or equal to 0.06 times the final outer dimension (d2). In a preferred embodiment, the alkali metal oxide-doped rod is inserted into the centerline hole of a preform to form an assembly.

Abstract translation: 公开了一种光纤，其具有具有大于约0.002重量％的峰值的碱金属氧化物掺杂剂的芯。 ％且小于约0.1wt。 ％。 碱金属氧化物浓度随着光纤的半径而变化。 通过适当地选择芯和包层中的碱金属氧化物掺杂剂的浓度，可以获得低损耗光纤。 还公开了几种制造光纤的方法，包括形成碱金属氧化物掺杂棒的步骤，并且添加额外的玻璃以形成拉伸性能。 优选地，拉伸预成型件具有最终外部尺寸（d2），其中杆的外部尺寸（d1）小于或等于最终外部尺寸（d2）的0.06倍。 在一个优选实施例中，将掺入碱金属氧化物的棒插入到预成型件的中心线孔中以形成组件。

公开(公告)号：US20150260912A1

公开(公告)日：2015-09-17

申请号：US14424053

申请日：2013-08-23

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Tetsuya Haruna ,  Masaaki Hirano ,  Yoshiaki Tamura

IPC: G02B6/02

CPC classification number: G02B6/02214 ,  C03B37/01807 ,  C03B37/10 ,  C03B2201/22 ,  C03B2201/50 ,  C03B2207/90 ,  C03C3/06 ,  C03C13/047 ,  C03C25/60 ,  C03C25/607 ,  C03C2201/22 ,  C03C2201/50

Abstract: An alkali-metal-doped core optical fiber having high hydrogen resistance and a method for manufacturing such an optical fiber are provided. A method for manufacturing a deuterium-treated optical fiber according to the present invention includes a preform-forming step of forming a silica glass optical fiber preform having a core doped with an alkali metal element, a drawing step of drawing the optical fiber preform to form an optical fiber, and an exposing step of exposing the optical fiber to a deuterium gas atmosphere. Alkali-metal-doped core optical fibers can be manufactured by using this method. In the exposing step, the optical fiber is exposed to an atmosphere containing deuterium gas at a temperature of 20° C. or more under conditions where (deuterium gas partial pressure)×(exposure time) is 50 kPa·hour or more.

Abstract translation: 提供了具有高耐电阻性的碱金属掺杂的核心光纤和这种光纤的制造方法。 根据本发明的制造氘处理光纤的方法包括：形成具有掺杂有碱金属元素的芯的石英玻璃光纤预制棒的预成型体形成步骤，拉制所述光纤预制件以形成 光纤，以及将光纤暴露于氘气气氛的曝光步骤。 碱金属掺杂的核心光纤可以通过使用这种方法制造。 在曝光步骤中，在（氘气分压）×（曝光时间）为50kPa·小时以上的条件下，将光纤在20℃以上的温度下暴露于含有氘气的气氛中。

公开(公告)号：US20140370257A1

公开(公告)日：2014-12-18

申请号：US14474820

申请日：2014-09-02

Applicant: Corning Incorporated

Inventor： David Francis Dawson-Elli ,  Steven Edward DeMartino ,  Laura Lee Hluck

IPC: B32B7/02 ,  B32B38/00 ,  B32B17/10 ,  B32B37/14

CPC classification number: B32B7/02 ,  B32B17/10036 ,  B32B17/10091 ,  B32B17/101 ,  B32B17/10761 ,  B32B37/14 ,  B32B38/0004 ,  C03C17/3668 ,  C03C17/3681 ,  C03C2201/50 ,  E06B3/66 ,  G02F1/1523 ,  G02F1/153 ,  G02F1/1533 ,  G02F2001/1536 ,  G02F2202/09 ,  Y10T428/2495 ,  Y10T428/24967 ,  Y10T428/26

Abstract: Laminated articles and layered articles, for example, low alkali glass laminated articles and layered articles useful for, for example, electrochromic devices are described.

Abstract translation: 描述了层压制品和分层制品，例如低碱玻璃层压制品和用于例如电致变色装置的分层制品。

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：US20080066497A1

公开(公告)日：2008-03-20

申请号：US11630405

申请日：2006-03-30

Applicant: Juergen Weber ,  Tobias Pogge ,  Martin Trommer ,  Bodo Kuehn ,  Ulrich Kirst ,  Waltraud Werdecker

Inventor： Juergen Weber ,  Tobias Pogge ,  Martin Trommer ,  Bodo Kuehn ,  Ulrich Kirst ,  Waltraud Werdecker

IPC: C03C3/06 ,  C03B19/14 ,  H01L21/00

CPC classification number: C03C3/06 ,  C03B19/06 ,  C03B19/09 ,  C03B32/00 ,  C03B2201/07 ,  C03B2201/075 ,  C03B2201/24 ,  C03B2201/32 ,  C03C15/00 ,  C03C19/00 ,  C03C23/0025 ,  C03C23/006 ,  C03C2201/11 ,  C03C2201/12 ,  C03C2201/23 ,  C03C2201/24 ,  C03C2201/32 ,  C03C2201/50 ,  C03C2203/54 ,  C30B25/12 ,  C30B31/14 ,  C30B35/00 ,  Y02P40/57

Abstract: An ideal quartz glass for a wafer jig for use in an environment having an etching effect is distinguished by both high purity and high resistance to dry etching. To indicate a quartz glass that substantially fulfills these requirements, it is suggested according to the invention that the quartz glass is doped with nitrogen at least in a near-surface area, has a mean content of metastable hydroxyl groups of less than 30 wt ppm and that its fictive temperature is below 1250° C. and its viscosity is at least 1013 dPa·s at a temperature of 1200° C. An economic method for producing such a quartz glass comprises the following method steps: melting an SiO2 raw material to obtain a quartz glass blank, the SiO2 raw material or the quartz glass blank being subjected to a dehydration measure, heating the SiO2 raw material or the quartz glass blank to a nitriding temperature in the range between 1050° C. and 1850° C. in an ammonia-containing atmosphere, a temperature treatment by means of which the quartz glass of the quartz glass blank is set to a fictive temperature of 1250° C. or less, and a surface treatment of the quartz glass blank with formation of the quartz glass jig.

Abstract translation: 用于具有蚀刻效果的环境中的晶片夹具的理想石英玻璃的特征在于高纯度和高耐干蚀刻性。 为了表明基本满足这些要求的石英玻璃，根据本发明提出，石英玻璃至少在近表面积中掺杂氮，其平均含量小于30重量ppm， 其假想温度低于1250℃，在1200℃的温度下其粘度至少为10-13Pa。制备这种石英玻璃的经济方法包括以下方法步骤 ：将SiO 2原料熔化，得到石英玻璃坯料，将SiO 2原料或石英玻璃坯料进行脱水处理，加热SiO _{2 原料或石英玻璃坯料，在含氨气氛中在1050℃至1850℃的范围内的氮化温度，使用石英玻璃的石英玻璃 将玻璃坯料设定为1250℃以下的假想温度，进行表面处理 石英玻璃夹具形成石英玻璃夹具。}