公开(公告)号：US5338607A

公开(公告)日：1994-08-16

申请号：US6340

申请日：1993-01-19

Applicant: Hiromi Kawamoto ,  Yoshinori Kubota ,  Natsuya Nishimura ,  Akira Sakanoue

Inventor： Hiromi Kawamoto ,  Yoshinori Kubota ,  Natsuya Nishimura ,  Akira Sakanoue

IPC: C03B37/012 ,  C03B37/014 ,  C03C3/247 ,  C03C3/32 ,  C03C13/04 ,  G02B6/00 ,  G02F1/35 ,  H01S3/17 ,  B32B17/02

CPC classification number: C03C13/042 ,  C03C13/04 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2201/82 ,  Y10T428/2929 ,  Y10T428/2938 ,  Y10T428/294 ,  Y10T428/2942 ,  Y10T428/2949 ,  Y10T428/2964

Abstract: An optical fiber preform includes a core made from a fluoride glass which is doped with a rare earth, and a cladding surrounding the core. The cladding is made from one of an oxide glass and a fluoroxide glass. The core has a characteristic of amplification at 1.3 .mu.m-band. The cladding does not have absorption at 1.3 .mu.m-band. The preform is useful as a material for a fiber optical amplifier in optical communication systems.

Abstract translation: 光纤预制件包括由掺杂有稀土的氟化物玻璃制成的芯和围绕芯的包层。 包层由氧化物玻璃和氟氧化物玻璃之一制成。 核心具有1.3微米波段的放大特性。 包层在1.3微米带没有吸收。 预成型件可用作光通信系统中的光纤放大器的材料。

公开(公告)号：US5334232A

公开(公告)日：1994-08-02

申请号：US983854

申请日：1993-03-04

Applicant: Paul W. France ,  Steven F. Carter ,  John R. Williams

Inventor： Paul W. France ,  Steven F. Carter ,  John R. Williams

IPC: C03B5/06 ,  C03B19/02 ,  C03B37/012 ,  C03B37/023 ,  C03C13/04 ,  C03B5/225

CPC classification number: C03B37/01268 ,  C03B19/02 ,  C03B5/06 ,  C03B2201/82 ,  Y10S65/16

Abstract: Halide glass articles, e.g. rods, tubes and preforms for making fluoride glass fibres, are prepared by melting and/or casting the articles under a low pressure, e.g. 0.01 to 500 mbars and, during the low pressure regime, a gas flow rate of between 0.01 to 100 liters/min (measured at NTP) is maintained. It has been found that subjecting the melts to a low pressure reduces the attenuation of the fibre which eventually results from the melts.

Abstract translation: PCT No.PCT / GB91 / 01122 Sec。 371日期：1993年3月4日 102（e）1993年3月4日PCT PCT 1991年7月9日PCT公布。 出版物WO92 / 00923 日期：1992年1月23日。 用于制造氟化物玻璃纤维的棒，管和预成型件通过在低压下熔融和/或浇铸制品来制备，例如， 0.01至500毫巴，而在低压状态下，维持0.01至100升/分钟之间（在NTP测量）的气体流速。 已经发现，使熔体经受低压降低了最终由熔体产生的纤维的衰减。

公开(公告)号：US5211731A

公开(公告)日：1993-05-18

申请号：US722447

申请日：1991-06-27

Applicant: Lynda E. Busse ,  Ishwar D. Aggarwal ,  Kenneth J. Ewing ,  Barry B. Harbison

Inventor： Lynda E. Busse ,  Ishwar D. Aggarwal ,  Kenneth J. Ewing ,  Barry B. Harbison

IPC: C03B37/018 ,  C03C17/02

CPC classification number: C03C17/02 ,  C03B37/0183 ,  C03B2201/82

Abstract: A method for producing internally coated glass tube preforms for drawing er optic conductors. The internally coated glass tubes are halogen coated, preferably coated with metal fluorides, so that an optical fiber formed will have a halogen core which conveys light having a wavelength of about 2 to 4 microns, which is in the infrared region, with low attenuation. With one aspect of the method, a carrier gas and a halogenated alkoxide are introduced into a glass tube which has an inner wall and which is surrounded by a resonator for producing a plasma from the halogenated alkoxide in the tube. With another aspect of the method, a blend of a carrier gas, an organometallic compound, and a halogen-containing gas are introduced into a glass tube which has an inner wall and which is surrounded by a resonator for producing a plasma. In both cases, the tube is moved relative to the resonator to form a plasma zone within the tube such that a halide coating is formed on the inner wall of the tube. The plasma generation and inner glass wall coating take place at a relatively low pressure and at a relatively low temperature.

Abstract translation: 一种用于制造用于拉制光纤导体的内置玻璃管预成型件的方法。 内部涂覆的玻璃管是卤素涂层的，优选地涂覆有金属氟化物，使得形成的光纤将具有卤素芯，该卤素芯在低红外区域传输波长为约2至4微米的光，具有低衰减。 通过该方法的一个方面，载体气体和卤代醇盐被引入到具有内壁并由用于从管中的卤代醇盐产生等离子体的谐振器包围的玻璃管中。 在该方法的另一方面，将载气，有机金属化合物和含卤素气体的共混物引入具有内壁并由用于产生等离子体的谐振器包围的玻璃管中。 在两种情况下，管相对于谐振器移动以在管内形成等离子体区，使得在管的内壁上形成卤化物涂层。 等离子体产生和内部玻璃壁涂层在相对低的压力和相对低的温度下进行。

公开(公告)号：US5201920A

公开(公告)日：1993-04-13

申请号：US823610

申请日：1992-01-17

Applicant: Hartmut Schneider ,  Armin Staudt

Inventor： Hartmut Schneider ,  Armin Staudt

IPC: C03B37/023 ,  C03B37/027

CPC classification number: C03B37/023 ,  C03B37/027 ,  C03B2201/82 ,  Y10S65/16 ,  Y10S65/90

Abstract: A method for manufacturing optical fibers from halide glass is provided. The method includes the steps of drawing a glass mass into a fiber in a dry gas atmosphere which contains a drying agent. In a further step of the process, an OH band which may still be present can be reduced by treating the fiber with a gaseous drying agent.

Abstract translation: 提供了一种从卤化物玻璃制造光纤的方法。 该方法包括以下步骤：在含有干燥剂的干燥气体气氛中将玻璃物质拉入纤维中。 在该方法的另一步骤中，可以通过用气态干燥剂处理纤维来还原可能存在的OH带。

公开(公告)号：US5185021A

公开(公告)日：1993-02-09

申请号：US587946

申请日：1990-09-24

Applicant: Kiyotaka Miura ,  Toshiharu Yamashita

Inventor： Kiyotaka Miura ,  Toshiharu Yamashita

IPC: G02B6/00 ,  C03B17/02 ,  C03B37/012

CPC classification number: C03B17/025 ,  C03B37/01274 ,  C03B2201/80 ,  C03B2201/82 ,  C03B2205/04 ,  Y10S65/16

Abstract: In a method of manufacturing a preform for a nonoxide glass fiber, cladding and core glass materials are placed in a cylinder of an extrusion apparatus such that ground end faces of the respective cladding and core glass materials are in contact with each other and such that the cladding glass material is located adjacent a molding section of the extrusion apparatus. The cladding and core glass materials are heated within inert-gas atmosphere, to their respective temperatures equal to or below their respective sag points and equal to or above their respective crystallization start temperatures. An extrusion punch of the extrusion apparatus is pushed within the atmosphere, to extrude the cladding and core glass materials through a molding nozzle in the molding section while the cladding and core glass materials are in fusible contact with each other, thereby forming the preform of a core and cladding structure. The preform is gradually cooled within a liner connected to the molding section within the atmosphere. Alternatively, an over-cladding glass material may be placed in the cylinder such that the over-cladding material is located adjacent the molding section, and the cladding glass material is located between the over-cladding and core glass materials.

公开(公告)号：US5078768A

公开(公告)日：1992-01-07

申请号：US632197

申请日：1990-12-21

Applicant: Ishar D. Aggarwal ,  Barry B. Harbison

Inventor： Ishar D. Aggarwal ,  Barry B. Harbison

IPC: C03B19/06 ,  C03B32/00 ,  C03B37/012

CPC classification number: C03B37/01282 ,  C03B19/06 ,  C03B32/00 ,  C03B2201/82 ,  Y02P40/57 ,  Y10S501/904 ,  Y10S65/16

Abstract: Defect-free fluoride glass materials are made by hot isostatic pressing (HIP) of a fluoride glass. The process may be used to manufacture preforms or bulk fluoride glass. The external pressure applied during HIP squeezes bubbles from the glass and permits the use of a wider range of working temperatures than ordinarily available, thereby reducing crystallization defects.

Abstract translation: 无氟氟化物玻璃材料由氟化玻璃的热等静压（HIP）制成。 该方法可用于制造预成型件或块状氟化物玻璃。 在HIP期间施加的外部压力从玻璃挤压气泡并允许使用比通常可用的更宽的工作温度范围，从而减少结晶缺陷。

公开(公告)号：US4895813A

公开(公告)日：1990-01-23

申请号：US103229

申请日：1987-09-30

Applicant: Jerry R. Bautista ,  Matthijs M. Broer ,  Allan J. Bruce ,  James W. Fleming ,  Kenneth L. Walker

Inventor： Jerry R. Bautista ,  Matthijs M. Broer ,  Allan J. Bruce ,  James W. Fleming ,  Kenneth L. Walker

IPC: C03B37/014 ,  C03B37/012 ,  C03C3/32 ,  G02B6/00

CPC classification number: C03C3/325 ,  C03B37/01265 ,  C03B37/01277 ,  C03B2201/82 ,  Y10S65/16

Abstract: A new method for fabricating devices which include multicomponent metal halide glasses, e.g., multicomponent metal halide glass optical fibers, is disclosed. In accordance with the inventive method, a multicomponent metal halide glass body, essentially free of crystallites, is produced by cooling essentially every portion of a melt incorporated into the glass body at a quench rate which is necessarily greater than or equal to about 10 Kelvins per second (K/sec). This necessary quench rate is achieved by successively quenching relatively small portions of the melt, e.g., thin layers or droplets of melt material, having relatively small cross-sectional dimensions.

公开(公告)号：US4728350A

公开(公告)日：1988-03-01

申请号：US30777

申请日：1987-03-25

Applicant: Giuseppe Cocito

Inventor： Giuseppe Cocito

IPC: G02B6/00 ,  C03B37/014 ,  C03B37/018 ,  C03C13/04

CPC classification number: C03B37/01807 ,  C03B37/018 ,  C03C13/04 ,  C03B2201/82 ,  Y10S65/16

Abstract: The process employs solid-state halides heated at high temperature, under pressure conditions necessary to their vaporization, and obtains their condensation to a solid state on the internal surface of a glass tube, which, after collapsing, forms the preform.

Abstract translation: 该方法使用在高温下加热的固态卤化物，在其蒸发所需的压力条件下，在玻璃管的内表面上获得它们在固体状态下的冷凝，其在塌缩之后形成预成型体。

公开(公告)号：US4659355A

公开(公告)日：1987-04-21

申请号：US729273

申请日：1985-05-01

Applicant: Gwenael Maze ,  Vincent Cardin

Inventor： Gwenael Maze ,  Vincent Cardin

IPC: G02B6/00 ,  C03B19/04 ,  C03B37/012 ,  C03B37/027 ,  C03B37/028 ,  C03C13/04 ,  C03C25/02

CPC classification number: C03B37/01245 ,  C03B19/04 ,  C03B37/01211 ,  C03B37/01268 ,  C03B37/01271 ,  C03B37/01274 ,  C03B37/027 ,  C03B37/028 ,  C03C13/042 ,  C03B2201/82 ,  C03B2205/09 ,  Y02P40/57 ,  Y10S65/16

Abstract: A process for manufacturing optical fibers and components from bars or molds of fluoride glass draws out optical quality molds from highly pure glass. The glass is stretched or fibered into optical fibers in a dry atmosphere free of dust, organic, metallic or mineral vapors. The process leads to a low hydroxyl content fluoride glass which is used in the manufacture of optical fibers and components. The dehydration of the fluoride mixture occurs during the steps of prolonged heating at under 450.degree. C. in the presence of fluoride or ammoniumbifluoride, and of holding the molten mixture at a high temperature until dehydration occurs. The drawing out, stretching, and fibering are carried out in a vacuum.

Abstract translation: 用于制造氟玻璃棒或模具的光纤和组件的方法从高纯玻璃中抽出光学质量的模具。 在无灰尘，有机，金属或矿​​物蒸汽的干燥气氛中，玻璃被拉伸或纤维化成光纤。 该方法导致用于制造光纤和组件的低羟基含量的氟化玻璃。 氟化物混合物的脱水在氟化物或二氟化硼存在下在450℃下长时间加热并在高温下保持熔融混合物直至发生脱水的步骤中发生。 拉伸，拉伸和纤维化在真空中进行。

公开(公告)号：US4610708A

公开(公告)日：1986-09-09

申请号：US747769

申请日：1985-06-24

Applicant: Ahmad Sarhangi ,  George W. Scherer

Inventor： Ahmad Sarhangi ,  George W. Scherer

IPC: C03B37/018 ,  C03B37/027

CPC classification number: C03B37/018 ,  C03B37/01838 ,  C03B2201/82 ,  Y10S65/16

Abstract: In the manufacture of preforms for metal halide optical fibers by the vapor deposition of metal halide layers on the inside surface of a silicate glass substrate tube, silicon release from the tube side wall by fluorine-containing reactants used in the vapor deposition process is reduced by the preliminary application of a slurry coating of a sinterable, fluorine-resistant metal halide or other glass composition which is dried and sintered to a passivation layer.

Abstract translation: 在通过在硅酸盐玻璃基板管的内表面上气相沉积金属卤化物层来制造金属卤化物光纤预成型件时，通过在气相沉积工艺中使用的含氟反应物从管侧壁释放的硅被减少 将可烧结的耐氟金属卤化物或其它玻璃组合物的浆料涂料预先施加到干燥和烧结到钝化层上。