公开(公告)号：US09139466B2

公开(公告)日：2015-09-22

申请号：US13352644

申请日：2012-01-18

Applicant: Masaaki Hirano ,  Tetsuya Haruna ,  Yoshiaki Tamura

Inventor： Masaaki Hirano ,  Tetsuya Haruna ,  Yoshiaki Tamura

IPC: G02B6/00 ,  C03B37/018

CPC classification number: C03B37/01807 ,  C03B37/01853 ,  C03B2201/07 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  Y10T428/294

Abstract: An optical fiber preform includes a core portion, in which the core portion includes an alkali-metal-doped core glass portion doped with an alkali metal, the maximum concentration of oxygen molecules in the core portion is 30 mol ppb or more, and the average concentration of the alkali metal in the core portion is 5 atomic ppm or more. A method of manufacturing an optical fiber preform includes an alkali-metal-doping step of doping a pipe composed of silica-based glass with an alkali metal, an oxygen-molecule-doping step of doping the glass pipe with oxygen molecules, and a collapsing step of collapsing the glass pipe by heating the glass pipe, in which the optical fiber preform is manufactured.

Abstract translation: 光纤预制棒包括芯部，芯部包括掺杂有碱金属的碱金属掺杂的芯玻璃部分，芯部中的氧分子的最大浓度为30mol ppb以上，平均 芯部中的碱金属的浓度为5原子ppm以上。 制造光纤预制棒的方法包括：碱金属掺杂步骤，用碱金属掺杂由二氧化硅基玻璃构成的管，用氧分子掺杂玻璃管的氧分子掺杂步骤，以及塌陷 通过加热其中制造光纤预制棒的玻璃管来塌缩玻璃管的步骤。

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：US20140370287A1

公开(公告)日：2014-12-18

申请号：US14370303

申请日：2012-12-13

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Yoshiaki Tamura ,  Tetsuya Haruna ,  Masaaki Hirano

IPC: C03C25/68 ,  C03C25/10 ,  C03C25/46 ,  C03B37/012

CPC classification number: C03C25/68 ,  C03B37/01245 ,  C03B37/01807 ,  C03B37/01861 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/50 ,  C03C13/04 ,  C03C25/46 ,  C03C25/607 ,  G02B6/02 ,  Y10T428/2956

Abstract: An optical fiber preform producing method is a method for producing an optical fiber preform including a core part and a cladding part and being composed of silica-based glass, which has: an alkali metal adding step of adding an alkali metal in a maximum concentration of not less than 500 ppm in the vicinity of an inner surface of a glass pipe composed of silica glass; an etching step of etching the inner surface of the glass pipe by vapor phase etching under flow of SF6 gas and chlorine gas through an inner hollow of the glass pipe, after the alkali metal adding step; and a collapsing step of eliminating the hollow of the glass pipe to produce a glass rod, after the etching step, wherein the optical fiber preform is produced using the glass rod produced by the collapsing step.

Abstract translation: 光纤预制棒的制造方法是一种光纤预制体的制造方法，其包括芯部和包层部，由二氧化硅系玻璃构成，所述玻璃具有：碱金属添加工序，以最大浓度添加碱金属 在由石英玻璃构成的玻璃管的内表面附近不小于500ppm; 蚀刻步骤，在所述碱金属添加步骤之后，通过SF6气体和氯气的流动通过玻璃管的内部中空部分的气相蚀刻来蚀刻所述玻璃管的内表面; 以及在蚀刻步骤之后消除玻璃管的中空以产生玻璃棒的折叠步骤，其中使用通过折叠步骤制造的玻璃棒制造光纤预制棒。

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：US08844323B2

公开(公告)日：2014-09-30

申请号：US13233654

申请日：2011-09-15

Applicant: Takayuki Kitamura

Inventor： Takayuki Kitamura

IPC: C03B37/012 ,  C03B37/018

CPC classification number: C03B37/01807 ,  C03B2201/50 ,  C03B2201/54

Abstract: A glass preform manufacturing method, includes: preparing a glass element having a rough surface; turning a raw material of an alkali metal compound or a raw material of an alkaline earth metal compound into particles; depositing particles of the alkali metal compound or the alkaline earth metal compound on the rough surface of the glass element; oxidizing the particles of the alkali metal compound or the alkaline earth metal compound while diffusing alkali metal oxide or alkaline earth metal oxide in the glass element; and manufacturing a glass preform into which the alkali metal oxide or the alkaline earth metal oxide is doped.

Abstract translation: 玻璃预制件的制造方法，包括：准备具有粗糙面的玻璃元件; 将碱金属化合物的原料或碱土金属化合物的原料转化成颗粒; 在玻璃元件的粗糙表面上沉积碱金属化合物或碱土金属化合物的颗粒; 在玻璃元件中扩散碱金属氧化物或碱土金属氧化物的同时氧化碱金属化合物或碱土金属化合物的颗粒; 并制造掺杂有碱金属氧化物或碱土金属氧化物的玻璃预成型体。

公开(公告)号：US20110314874A1

公开(公告)日：2011-12-29

申请号：US13165236

申请日：2011-06-21

Applicant: Takayuki KITAMURA

Inventor： Takayuki KITAMURA

IPC: C03B37/018

CPC classification number: C03B37/01413 ,  C03B37/01807 ,  C03B37/01815 ,  C03B2201/06 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2207/80 ,  C03B2207/90

Abstract: An apparatus for manufacturing a glass perform, includes: a dummy tube section, a reservoir portion, and a cooling portion; and a glass tube section in which particles of an alkali metal compound or an alkaline earth metal compound which have flowed into the glass tube section from the dummy tube section are heated by a second heat source which performs traverse, and oxides of the particles being deposited on an inner wall and dispersed in the glass tube section. In the cooling portion of the dummy tube section, vapor of the alkali metal compound or the alkaline earth metal compound generated by heating of a first heat source is cooled and condensed by a dry gas flowing into the dummy tube section, and thereby the particles are generated.

Abstract translation: 一种玻璃制造装置，包括：虚拟管部，储存部和冷却部; 以及玻璃管部分，其中由虚拟管部分流入玻璃管部分的碱金属化合物或碱土金属化合物的颗粒被进行横越的第二热源加热，并且沉积的颗粒的氧化物 在内壁上分散在玻璃管部分。 在虚拟管部的冷却部中，通过第一热源的加热而产生的碱金属化合物或碱土金属化合物的蒸气被流入虚拟管部的干燥气体冷却并冷凝， 生成。

公开(公告)号：US07844155B2

公开(公告)日：2010-11-30

申请号：US12082858

申请日：2008-04-15

Applicant: Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Daniel Aloysius Nolan ,  Pushkar Tandon

Inventor： Scott Robertson Bickham ,  Dana Craig Bookbinder ,  Ming-Jun Li ,  Snigdharaj Kumar Mishra ,  Daniel Aloysius Nolan ,  Pushkar Tandon

IPC: G02B6/02

CPC classification number: G02B6/02333 ,  C03B37/0124 ,  C03B37/01807 ,  C03B2201/12 ,  C03B2201/50 ,  C03B2203/14 ,  C03B2203/23 ,  G02B6/02357 ,  G02B6/0365

Abstract: Disclosed is an optical fiber having a silica-based core comprising an alkali metal oxide a silica-based core, said core comprising an alkali metal oxide selected from the group consisting of K2O, Na2O, Li2O, Rb2O, Cs2O and mixtures thereof in an average concentration in said core between about 10 and 10000 ppm by weight, and a silica-based cladding surrounding and directly adjacent the core, the cladding including a region having a lower index of refraction than the remainder of such cladding. By appropriately selecting the concentration of alkali metal oxide dopant in the core and the cladding, a low loss optical fiber may be obtained which exhibits a cable cutoff less than 1400 nm chromatic dispersion at 1550 nm between about 13 and 19 ps/nm/km, and a zero dispersion wavelength less than about 1324 nm.

Abstract translation: 公开了一种具有二氧化硅基核的光纤，其包含碱金属氧化物二氧化硅基核，所述芯包含选自K2O，Na2O，Li2O，Rb2O，Cs2O及其混合物的碱金属氧化物，其平均值 所述芯中的浓度在约10至10000ppm之间，以及围绕并直接邻近芯的二氧化硅基包覆层，包层具有比这种包层的其余部分低的折射率的区域。 通过适当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，其在1550nm处显示出在约13和19ps / nm / km之间的电缆截止小于1400nm的色散， 和小于约1324nm的零色散波长。

公开(公告)号：US20070225147A1

公开(公告)日：2007-09-27

申请号：US11727159

申请日：2007-03-23

Applicant: Kazutaka Hayashi ,  Kouichi Satou ,  Koichiro Shiraishi

Inventor： Kazutaka Hayashi ,  Kouichi Satou ,  Koichiro Shiraishi

IPC: C03C3/15 ,  C03B18/18 ,  C03B23/00 ,  C03B29/00

CPC classification number: C03B11/08 ,  C03B2201/50 ,  C03B2215/12 ,  C03B2215/24 ,  C03B2215/46 ,  C03B2215/47 ,  C03B2215/48 ,  C03B2215/66 ,  C03B2215/72 ,  C03C3/15

Abstract: A lens formed of a high-refractivity low-dispersion glass and free of fogging and scorching on its optical-function surface, which is obtained by precision press-molding of an optical glass having a refractive index (nd) of over 1.83, an Abbe's number (νd) of 40 or more and a glass transition temperature (Tg) of 640° C. or lower and containing no Li2O and has one form of a meniscus form, a biconcave form or a plano-concave form.

Abstract translation: 由高折射率低分散玻璃形成的透镜，在其光学功能表面上没有起雾和焦化，其通过精密加压成型具有折射率（n D >）超过1.83，阿贝数（nu> d ）为40以上，玻璃化转变温度（T ）为640℃以下，不含 具有一种形式的弯月形，双凹形或平凹形。

公开(公告)号：US20070177846A1

公开(公告)日：2007-08-02

申请号：US11483229

申请日：2006-07-07

Applicant: Xin Chen ,  Ji Wang ,  Joohyun Koh ,  Ming-Jun Li ,  Daniel Nolan ,  Donnell Walton ,  Luis Zenteno

Inventor： Xin Chen ,  Ji Wang ,  Joohyun Koh ,  Ming-Jun Li ,  Daniel Nolan ,  Donnell Walton ,  Luis Zenteno

IPC: G02B6/032 ,  G02B6/02 ,  G02B6/036 ,  G02B6/00

CPC classification number: G02B6/024 ,  C03B37/01217 ,  C03B37/01413 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2201/36 ,  C03B2201/50 ,  C03B2203/12 ,  C03B2203/14 ,  C03B2203/22 ,  C03B2203/31 ,  C03B2205/10 ,  C03B2207/90 ,  G02B6/105 ,  H01S3/06712 ,  H01S3/06729 ,  H01S3/094007

Abstract: An optical fiber including: (i) a silica based, rare earth doped core having a first index of refraction n1; and (ii) at least one silica based cladding surrounding the core and having a second index of refraction n2, such that n1>n2, said cladding having a plurality of stress rods and a plurality of air holes extending longitudinally through the length of said optical fiber; wherein said optical fiber supports a single polarization mode or poses-polarization maintaining properties within the operating wavelength range.

Abstract translation: 一种光纤，包括：（i）具有第一折射率n 1的二氧化硅基稀土掺杂的芯; 和（ii）至少一个二氧化硅基包层，其围绕所述芯并且具有第二折射率n 2 2，使得n 1/2 2

公开(公告)号：US07190875B2

公开(公告)日：2007-03-13

申请号：US11152393

申请日：2005-06-14

Applicant: Emilia Anderson ,  Wesley A. King ,  Yoel Fink ,  Lori Pressman

Inventor： Emilia Anderson ,  Wesley A. King ,  Yoel Fink ,  Lori Pressman

IPC: G02B6/00 ,  G02B6/04 ,  C03C13/04 ,  C03C3/32

CPC classification number: G02B6/021 ,  B29D11/00721 ,  C03B37/027 ,  C03B37/02718 ,  C03B37/029 ,  C03B37/0756 ,  C03B2201/10 ,  C03B2201/28 ,  C03B2201/30 ,  C03B2201/32 ,  C03B2201/34 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2201/60 ,  C03B2201/82 ,  C03B2201/86 ,  C03B2203/14 ,  C03B2203/16 ,  C03B2203/18 ,  C03B2203/223 ,  C03B2203/225 ,  C03B2203/42 ,  C03B2205/08 ,  C03B2205/09 ,  C03B2205/10 ,  C03B2205/40 ,  C03B2205/72 ,  C03C3/064 ,  C03C3/07 ,  C03C3/072 ,  C03C3/102 ,  C03C3/122 ,  C03C3/142 ,  C03C3/16 ,  C03C3/321 ,  C03C3/326 ,  C03C13/008 ,  C03C13/041 ,  C03C13/042 ,  C03C13/043 ,  C03C13/044 ,  C03C13/046 ,  C03C13/048 ,  C03C25/105 ,  C03C25/1061 ,  G02B6/02 ,  G02B6/02052 ,  G02B6/02066 ,  G02B6/02123 ,  G02B6/02261 ,  G02B6/023 ,  G02B6/02304 ,  G02B6/03694 ,  G02B6/126 ,  G02B6/29319 ,  G02B6/29356 ,  G02B6/30 ,  G02B6/305 ,  G02B6/42 ,  G02B6/4206 ,  G02B2006/12116 ,  G02B2006/12195 ,  G02F1/0115 ,  G02F1/365 ,  H01S3/06729

Abstract: In general, in one aspect, the disclosure features a fiber waveguide having a waveguide axis, including a core extending along the waveguide axis and a confinement region extending along the waveguide axis surrounding the core. The confinement region includes a periodic structure along a radial direction extending from the waveguide axis and each period in the periodic structure includes a layer of a chalcogenide glass and a layer of a polymer.

Abstract translation: 通常，在一个方面，本发明的特征在于具有波导轴线的光纤波导，其包括沿着波导轴延伸的芯和沿着围绕芯的波导轴延伸的约束区域。 限制区域包括沿着从波导轴线延伸的径向方向的周期性结构，并且周期性结构中的每个周期包括硫族化物玻璃层和聚合物层。