公开(公告)号：US07079738B2

公开(公告)日：2006-07-18

申请号：US10824429

申请日：2004-04-15

Applicant: Toshihiro Nakamura ,  Keiichi Aiso ,  Takeshi Yagi ,  Hisashi Koaizawa ,  Yoko Moriai

Inventor： Toshihiro Nakamura ,  Keiichi Aiso ,  Takeshi Yagi ,  Hisashi Koaizawa ,  Yoko Moriai

IPC: G02B6/02 ,  C03B37/023

CPC classification number: H01S3/06716 ,  C03B37/01433 ,  C03B37/0148 ,  C03B37/01493 ,  C03B2201/10 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/36 ,  C03C13/045 ,  Y02P40/57

Abstract: An optical fiber for optical amplification, characterized in that a full width at half maximum of gain spectrum is 45 nm or more; and a maximum value of power conversion efficiency is 80% or more. A method for producing a rare earth element-doped glass for use in manufacturing the optical fiber, which comprises a deposition step of depositing fine silica glass particles and a co-dopant (a) to prepare an aggregate of fine silica glass particles doped with the co-dopant (a); and a immersion step of immersing the aggregate of fine silica glass particles prepared in the deposition step in a solution containing the rare earth element and the co-dopant (b) to thereby dope the aggregate of fine silica glass particles with the rare earth element component and the co-dopant (b).

Abstract translation: 一种用于光放大的光纤，其特征在于，增益谱的半值全宽为45nm以上; 功率转换效率的最大值为80％以上。 一种制造用于制造光纤的稀土元素掺杂玻璃的方法，包括沉积步骤，沉积细二氧化硅玻璃颗粒和共掺杂剂（a），以制备掺杂有 共掺杂剂（a）; 以及浸渍步骤，将沉积步骤中制备的细二氧化硅玻璃颗粒的聚集体浸入含有稀土元素和共掺杂物（b）的溶液中，从而将稀土元素组分 和共掺杂剂（b）。

公开(公告)号：US20050276555A1

公开(公告)日：2005-12-15

申请号：US11141203

申请日：2005-06-01

Applicant: Tetsuya Haruna ,  Shinji Ishikawa ,  Toshiki Taru ,  Tetsutarou Katayama ,  Nobuyuki Taira

Inventor： Tetsuya Haruna ,  Shinji Ishikawa ,  Toshiki Taru ,  Tetsutarou Katayama ,  Nobuyuki Taira

IPC: G02B6/02 ,  C03B37/018

CPC classification number: C03B37/01807 ,  C03B37/01876 ,  C03B2201/04 ,  C03B2201/075 ,  C03B2201/10 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2203/22 ,  C03B2207/90

Abstract: A method produces a glass body that contains a reduced amount of OH groups in the metallic-oxide-containing glass layer and that has a reduced amount of transmission loss due to OH groups when the glass body is transformed into an optical fiber. The production method produces an optical glass body. An optical fiber contains the optical glass body in at least one part of its region for guiding a lightwave. The production method includes the following steps: (a) introducing into a glass pipe a gas containing an organometallic compound and a glass-forming material; (b) decomposing the organometallic compound into an organic constituent and a metallic constituent; (c) heating and oxidizing the metallic constituent so that produced glass particles containing a metallic oxide are deposited on the inner surface of the glass pipe to form a glass-particle-deposited layer; and (d) consolidating the deposited layer to form a metallic-oxide-containing glass layer.

Abstract translation: 一种方法产生玻璃体，其在含金属氧化物的玻璃层中含有少量的OH基团，并且当玻璃体转变成光纤时，其具有由OH基导致的传输损失量减少的玻璃体。 该制造方法产生光学玻璃体。 光纤在其区域的至少一部分中包含用于引导光波的光学玻璃体。 制造方法包括以下步骤：（a）向玻璃管内导入含有有机金属化合物和玻璃形成材料的气体; （b）将有机金属化合物分解成有机成分和金属成分; （c）加热和氧化金属成分，使得在玻璃管的内表面上沉积含有金属氧化物的玻璃颗粒，形成玻璃颗粒沉积层; 和（d）固结沉积层以形成含金属氧化物的玻璃层。

公开(公告)号：US06944380B1

公开(公告)日：2005-09-13

申请号：US10399967

申请日：2002-01-11

Applicant: Hosono Hideo ,  Hirano Masahiro ,  Oto Masanori ,  Tochitani Gen ,  Ohneda Susumu ,  Kikugawa Shinnya

Inventor： Hosono Hideo ,  Hirano Masahiro ,  Oto Masanori ,  Tochitani Gen ,  Ohneda Susumu ,  Kikugawa Shinnya

IPC: C03B37/012 ,  C03B37/027 ,  C03C4/00 ,  C03C13/04 ,  C03C23/00 ,  C03C25/10 ,  C03C25/60 ,  G02B6/02 ,  G02B6/10 ,  G02B6/24 ,  G02B6/26 ,  G02B1/00

CPC classification number: G02B6/02333 ,  C03B37/01205 ,  C03B37/027 ,  C03B37/02781 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/21 ,  C03B2203/14 ,  C03B2203/42 ,  C03C4/0085 ,  C03C13/045 ,  C03C13/046 ,  C03C23/0095 ,  C03C25/105 ,  C03C25/1065 ,  C03C25/607 ,  C03C2201/10 ,  C03C2201/12 ,  C03C2201/14 ,  C03C2201/21 ,  G02B6/02033 ,  G02B6/02347 ,  G02B6/02395 ,  G02B6/03694 ,  G02B6/102 ,  G02B6/241 ,  G02B6/262

Abstract: It is an object of the present invention to provide an optical fiber for transmitting ultraviolet ray which has an improve transmittance and is prevented from deterioration by ultraviolet ray with which it is irradiated. It is another object of the present invention to provide an optical fiber probe which can propagate vacuum ultraviolet ray and deep ultraviolet ray at a high transmittance, is deteriorated only to a limited extent when irradiated with ultraviolet ray and can be etched to have a desired shape of the sharpened section at the fiber end.The present invention provides the optical fiber for transmitting ultraviolet ray which has a core 5 of silica glass containing a given content of fluorine and a clad 6a of silica glass containing a given content of fluorine or boron, a clad 6b of a resin which transmits ultraviolet ray or a clad 6c having air holes H. The clad may be coated with a protective layer and further with a covered layer for protection. In particular, the core, clad and protective layer have a high transmittance for ultraviolet ray and resistance to ultraviolet ray with which they are irradiated, when treated with hydrogen.An optical fiber probe 1 has an optical fiber 2 provided with a sharpened section 3 at the end, which is sharpened with an etchant solution, the sharpened section 3 being coated with a light-shielding metallic film 4.

Abstract translation: 本发明的目的是提供一种透射紫外线的光纤，其具有提高的透射率并且防止被照射的紫外线的劣化。 本发明的另一个目的是提供一种能够以高透射率传播真空紫外线和深紫外线的光纤探针，当用紫外线照射时仅在有限程度上劣化，并且可以被蚀刻以具有期望的形状 的光纤端部的锐化部分。 本发明提供一种透射紫外线的光纤，该光纤具有含有给定含氟量的二氧化硅玻璃的核心5和含有给定含量的氟或硼的二氧化硅玻璃的包层6a，树脂的包层6b 透射紫外线或具有空气孔H的包层6c。包层可以涂覆有保护层，并且还具有用于保护的覆盖层。 特别地，当用氢处理时，芯，包层和保护层对于紫外线具有高的透射率和耐紫外线的照射。 光纤探头1具有光纤2，其端部具有锐化部分3，该蚀刻部分用蚀刻剂溶液锐化，锐化部分3涂覆有遮光金属膜4。

公开(公告)号：US20040194511A1

公开(公告)日：2004-10-07

申请号：US10771176

申请日：2004-02-03

Inventor： Chih-Hsing Cheng ,  Dengfeng Xu

IPC: C03B037/016 ,  C03C003/06

CPC classification number: C03B19/12 ,  C03B37/01211 ,  C03B37/0124 ,  C03B37/016 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/32 ,  C03B2201/34 ,  C03C3/06

Abstract: A method of fabricating a halogen-doped glass includes providing a gel monolith having a first halogen content. The method further includes reducing an impurity concentration of the gel monolith. The method further includes consolidating the gel monolith into a glass having a second halogen content. The second halogen content is less than or equal to the first halogen content. A halogen-doped glass has a fluorine content in a range between approximately 0.5 wt. % and approximately 4 wt. %, a chlorine content less than 100 parts per million, and an OH content less than one part per million.

Abstract translation: 制造卤素掺杂玻璃的方法包括提供具有第一卤素含量的凝胶整料。 该方法还包括降低凝胶整料的杂质浓度。 该方法还包括将凝胶整料固结成具有第二卤素含量的玻璃。 第二卤素含量小于或等于第一卤素含量。 卤素掺杂的玻璃的氟含量在约0.5wt。 ％和约4wt。 ％，氯含量低于100ppm，OH含量低于百万分之一。

公开(公告)号：US06779364B2

公开(公告)日：2004-08-24

申请号：US10287322

申请日：2002-11-04

Applicant: Kanishka Tankala ,  Adrian Carter

Inventor： Kanishka Tankala ,  Adrian Carter

IPC: G02B600

CPC classification number: G02B6/03633 ,  C03B37/01211 ,  C03B37/01225 ,  C03B37/01228 ,  C03B37/01234 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/34 ,  C03B2201/50 ,  C03B2203/10 ,  C03B2203/12 ,  C03B2203/23 ,  H01S3/067 ,  H01S3/06708 ,  H01S3/06729 ,  H01S3/094007

Abstract: Disclosed is an optical fiber article for receiving pump radiation of a first wavelength for amplifying or generating radiation of a second wavelength. The optical fiber article includes a core for propagating light of the second wavelength. The core has a first index of refraction and includes a rare earth material. A cladding surrounds the core and has a second index of refraction that is less than the first index of refraction. The outer circumference of the cladding can include a plurality of sections, where the plurality of sections includes at least one substantially straight section and one inwardly curved section. The optical fiber article can also include at least one outer layer surrounding the cladding, where the index of refraction of the outer layer is less than the second refractive index. Methods for producing the optical fiber article are also disclosed, as well as methods for providing a preform for drawing such an optical fiber article.

Abstract translation: 公开了一种用于接收用于放大或产生第二波长的辐射的第一波长的泵浦辐射的光纤制品。 光纤制品包括用于传播第二波长的光的芯。 芯具有第一折射率并且包括稀土材料。 包层围绕芯部并且具有小于第一折射率的第二折射率。 包层的外周可以包括多个部分，其中多个部分包括至少一个基本上直的部分和一个向内弯曲的部分。 光纤制品还可以包括围绕包层的至少一个外层，其中外层的折射率小于第二折射率。 还公开了制造光纤制品的方法，以及用于提供用于拉制这种光纤制品的预成型件的方法。

公开(公告)号：US20040112089A1

公开(公告)日：2004-06-17

申请号：US10320193

申请日：2002-12-16

Inventor： David J. DiGiovanni ,  Robert S. Windeler

IPC: C03B037/018

CPC classification number: C03C13/00 ,  C03B37/01807 ,  C03B37/01853 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31

Abstract: Fluorine doping of trench layers in MCVD preforms is enhanced by exposing a silica soot layer, produced by MCVD, to a fluorine-containing gas at high pressure. The high pressure exposure is integrated into the MCVD process.

Abstract translation: 通过将由MCVD生产的二氧化硅烟灰层暴露于高压下的含氟气体来增强MCVD预成型体中沟槽层的氟掺杂。 高压曝光被集成到MCVD工艺中。

公开(公告)号：US20040110007A1

公开(公告)日：2004-06-10

申请号：US10465242

申请日：2003-06-19

Inventor： Sung-Jin Kim ,  Sung-Koog OH

IPC: B32B017/06

CPC classification number: C03C13/045 ,  C03B37/01807 ,  C03B2201/10 ,  C03B2201/28 ,  C03B2203/22 ,  Y10T428/315

Abstract: Disclosed is an optical-fiber preform having barrier layers to hydroxyl radicals, the optical-fiber preform comprising: a quartz tube in the form of a cylinder shape serving as a substrate for forming the optical-fiber preform; a first barrier layer for preventing hydroxyl radicals from permeating the optical-fiber preform and deposited onto the inner surface of the quartz tube; a second barrier layer having a permeation coefficient higher than the first barrier layer and deposited onto the first barrier layer; a third barrier layer having a permeation coefficient lower than the second barrier layer and deposited onto the second barrier layer; and, a core layer being located at the center of the optical-fiber preform.

Abstract translation: 公开了一种具有羟基自由基阻挡层的光纤预制棒，该光纤预制棒包括：用作形成光纤预制棒的基底的圆筒形状的石英管; 用于防止羟基自由基渗透到光纤预制件并沉积到石英管的内表面上的第一阻挡层; 第二阻挡层，其透过系数高于第一阻挡层并沉积在第一阻挡层上; 第三阻挡层，其透过系数低于第二阻挡层并沉积到第二阻挡层上; 并且芯层位于光纤预制棒的中心。

公开(公告)号：US20040086245A1

公开(公告)日：2004-05-06

申请号：US10619376

申请日：2003-07-11

Inventor： Julia A. Farroni ,  Adrian Carter ,  Kanishka Tankala

IPC: G02B006/16 ,  G02B006/17

CPC classification number: G02B6/02114 ,  C03B37/01217 ,  C03B37/01231 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/42 ,  C03B2203/23 ,  C03B2203/31 ,  G02B6/024

Abstract: An optical fiber comprises a photosensitive core that includes a concentration of a first material that increases the refractive index of the core and a concentration of a second material that is other than boron and that reduces the refractive index of the core. A cladding is disposed about the core for tending to confine light to the core. The fiber also includes at least one longitudinally extending region having a thermal coefficient of expansion that is different from the thermal coefficient of expansion of the cladding. In another embodiment, the core includes a concentration of germanium and a concentration of boron. Also disclosed is a polarization-maintaining double-clad (PM DC) fiber comprising one or both of at least one circular axially extending stress inducing region(s) and an inner cladding comprising a circular outer perimeter. Fibers according to the invention can include a rare earth dopant for emitting light of a selected wavelength responsive to being pumped by pump light of a pump wavelength that is different than the selected wavelength.

Abstract translation: 光纤包括感光芯，其包括提高芯的折射率的第一材料的浓度和不同于硼的第二材料的浓度，并降低芯的折射率。 围绕芯部布置包层以倾向于将光限制在芯部上。 纤维还包括具有不同于包层的热膨胀系数的热膨胀系数的至少一个纵向延伸区域。 在另一个实施方案中，芯包括锗的浓度和硼的浓度。 还公开了一种包括至少一个圆形轴向延伸的应力诱导区域和包含圆形外周边的内包层中的一个或两个的偏振保持双包层（PMDC）光纤。 根据本发明的纤维可以包括用于发射选定波长的光的稀土掺杂剂，其响应于通过不同于所选波长的泵浦波长的泵浦光泵浦。

公开(公告)号：US20030077056A1

公开(公告)日：2003-04-24

申请号：US10041529

申请日：2001-10-24

Applicant: INSTITUT NATIONAL D'OPTIQUE

Inventor： Serge Caron

IPC: G02B006/16 ,  C03B037/00

CPC classification number: C03B37/01262 ,  C03B37/01205 ,  C03B37/01211 ,  C03B2201/10 ,  C03B2201/32 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2201/40 ,  C03B2201/50 ,  C03B2201/54

Abstract: The present invention concerns a preform for an optical fiber, an optical fiber so obtained and methods for making the same. The fiber is characterized in that porous glass doped with at least one dopant is used. Resulting fibers can be used to make high attenuation fibers.

Abstract translation: 本发明涉及一种用于光纤的预成型件，如此获得的光纤及其制造方法。 纤维的特征在于使用掺杂有至少一种掺杂剂的多孔玻璃。 所得纤维可用于制造高衰减纤维。

公开(公告)号：US06515795B1

公开(公告)日：2003-02-04

申请号：US09897833

申请日：2001-06-29

Applicant: Matthew J. Dejneka ,  Ji Wang

Inventor： Matthew J. Dejneka ,  Ji Wang

IPC: H01S3067

CPC classification number: C03B37/01211 ,  C03B37/01274 ,  C03B2201/10 ,  C03B2201/30 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2201/58 ,  C03B2201/78 ,  C03C13/046 ,  G02B6/03694 ,  H01S3/06716 ,  H01S3/06754 ,  H01S3/1616 ,  H01S3/163 ,  H01S3/1655

Abstract: A borosilicate glass composition comprises SiO2 having a concentration of about 40 mole percent to about 60 mole percent, B2O3 having a concentration of about 10 mole percent to about 30 mole percent, and an alkaline earth and/or alkali compound having a concentration of 10 mole percent to about 40 mole percent. An optical fiber amplification device comprises a borosilicate glass material cladding. The core comprises a germanate glass material doped with Tm3+. The germanate glass material has a first surface configured to receive an optical signal having a wavelength of from about 1400 nm to about 1540 nm and a second surface configured to output an amplified optical signal. In this manner, low cost fiber amplifiers in the 1450-1530 nm wavelength region (corresponding to the S-band) can be achieved.

Abstract translation: 硼硅酸盐玻璃组合物包含浓度为约40摩尔％至约60摩尔％的SiO 2，浓度为约10摩尔％至约30摩尔％的B 2 O 3和浓度为10摩尔的碱土金属和/或碱化合物 百分比至约40摩尔％。 光纤放大装置包括硼硅酸盐玻璃材料包层。 核心包括掺杂有Tm3 +的锗酸盐玻璃材料。 锗酸盐玻璃材料具有被配置为接收波长为约1400nm至约1540nm的光信号的第一表面和被配置为输出放大的光信号的第二表面。 以这种方式，可以实现1450-1530nm波长区域（对应于S波段）的低成本光纤放大器。