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    LOW DIAMETER OPTICAL FIBER
    61.
    发明申请
    LOW DIAMETER OPTICAL FIBER 审中-公开
    低直径光纤

    公开(公告)号：US20160216442A1

    公开(公告)日：2016-07-28

    申请号：US14706302

    申请日：2015-05-07

    Applicant: Corning Incorporated

    Inventor： Dana Craig Bookbinder ,  Steven Bruce Dawes ,  Inna Igorevna Kouzmina ,  Ming-Jun Li ,  Manuela Ocampo ,  Pushkar Tandon

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

    CPC classification number: G02B6/02395 ,  C08F222/1006 ,  G02B6/02009 ,  G02B6/0281 ,  G02B6/0283 ,  G02B6/0286 ,  G02B6/0365

    Abstract: Small-radius coated optical fibers having large mode field diameter and low bending losses. The coated fiber may have an outer radius of 110 μm or less, while providing a mode field diameter of 9.0 μm or greater and a bending loss when wrapped about a 15 mm mandrel of 0.5 dB/km or less at wavelength of 1550 nm. The coated fiber may have a mode field diameter of 9.2 μm or greater and may have a bending loss at 1550 nm of 0.25 dB/km or less when wrapped about a 20 mm mandrel or a bending loss at 1550 nm of 0.02 dB/km or less when wrapped about a 30 mm mandrel.

    Abstract translation: 具有大模场直径和低弯曲损耗的小半径涂覆光纤。 涂覆的光纤可以具有110μm或更小的外半径，同时提供9.0μm或更大的模场直径和在1550nm波长下缠绕在0.5dB / km或更小的15mm心轴周围时的弯曲损耗。 涂覆的光纤可以具有9.2μm或更大的模场直径，并且当缠绕在20mm心轴上时在1550nm处的弯曲损耗为0.25dB / km或更小，或者在1550nm处的弯曲损耗为0.02dB / km或 当缠绕在30毫米心轴上时较少。

    Multimode optical fiber systems with adjustable chromatic modal dispersion compensation
    65.
    发明授权
    Multimode optical fiber systems with adjustable chromatic modal dispersion compensation 有权
    具有可调色散色散补偿的多模光纤系统

    公开(公告)号：US08958675B2

    公开(公告)日：2015-02-17

    申请号：US13833769

    申请日：2013-03-15

    Applicant: Corning Incorporated

    Inventor： Scott Robertson Bickham ,  Xin Chen ,  Ming-Jun Li ,  Dale Robert Powers ,  Richard Stephen Vodhanel

    IPC: G02B6/02 ,  H04B10/2513 ,  G02B6/028 ,  H04B10/2507 ,  H04B10/2581 ,  G02B6/26 ,  H04B10/079 ,  G02B6/036

    CPC classification number: H04B10/2513 ,  G02B6/02261 ,  G02B6/0288 ,  G02B6/03627 ,  G02B6/268 ,  H04B10/07951 ,  H04B10/2507 ,  H04B10/2581

    Abstract: Multimode optical fiber systems with adjustable chromatic modal dispersion compensation are disclosed, wherein the system includes a VCSEL light source and primary and secondary optically coupled multimode optical fibers. Because the VCSEL light source has a wavelength spectrum that radially varies, its use with the primary multimode optical fiber creates chromatic modal dispersion that reduces bandwidth. The compensating multimode optical fiber is designed to have a difference in alpha parameter relative to the primary multimode optical fiber of −0.1≦Δα≦−0.9. This serves to create a modal delay opposite to the chromatic modal dispersion. The compensation is achieved by using a select length of the compensating multimode optical fiber optically coupled to an output end of the primary multimode optical fiber. The compensating multimode optical fiber can be configured to be bend insensitive.

    Abstract translation: 公开了具有可调色散色散补偿的多模光纤系统，其中该系统包括VC​​SEL光源和一次和二次光耦合多模光纤。 由于VCSEL光源具有径向变化的波长光谱，因此其与主多模光纤的使用产生减少带宽的色模色散。 补偿多模光纤被设计为相对于-0.1＆nlE;＆Dgr;α＆nlE; -0.9的主多模光纤具有不同的α参数。 这用于产生与色模色散相反的模态延迟。 通过使用光耦合到主多模光纤的输出端的补偿多模光纤的选择长度来实现补偿。 补偿多模光纤可以被配置为弯曲不敏感。

    LASER CONTROLLED ION EXCHANGE PROCESS AND GLASS ARTICLES FORMED THEREFROM
    66.
    发明申请
    LASER CONTROLLED ION EXCHANGE PROCESS AND GLASS ARTICLES FORMED THEREFROM 有权
    激光控制离子交换工艺和形成的玻璃制品

    公开(公告)号：US20150044445A1

    公开(公告)日：2015-02-12

    申请号：US14449574

    申请日：2014-08-01

    Applicant: CORNING INCORPORATED

    Inventor： Sean Matthew Garner ,  Ming-Jun Li ,  Xinghua Li

    IPC: C03C21/00 ,  C03C23/00

    CPC classification number: C03C23/0025 ,  C03C21/002

    Abstract: A method for forming ion-exchanged regions in a glass article by contacting an ion source with at least one surface of the glass article, forming a first ion-exchanged region in the glass article by heating a first portion of the glass article with a laser, and forming a second ion-exchanged region in the glass article. Characteristics of the first ion-exchanged region may be different from characteristics of the second ion-exchanged region. A depth of the ion-exchanged region may be greater than 1 μm. A glass article including a first ion-exchanged region, and a second ion-exchanged region having different characteristics from the first ion-exchanged region. The thickness of the glass article is less than or equal to about 0.5 mm.

    Abstract translation: 一种通过使离子源与玻璃制品的至少一个表面接触而在玻璃制品中形成离子交换区的方法，通过用激光加热玻璃制品的第一部分，在玻璃制品中形成第一离子交换区 ，并在玻璃制品中形成第二离子交换区。 第一离子交换区的特征可以不同于第二离子交换区的特性。 离子交换区域的深度可以大于1μm。 一种玻璃制品，包括第一离子交换区域和与第一离子交换区域具有不同特性的第二离子交换区域。 玻璃制品的厚度小于或等于约0.5mm。

    LOW ATTENUATION OPTICAL FIBERS WITH AN F-GRADED INDEX CORE
    67.
    发明申请
    LOW ATTENUATION OPTICAL FIBERS WITH AN F-GRADED INDEX CORE 有权
    低衰减光纤光纤与F级灰度指数芯

    公开(公告)号：US20140241684A1

    公开(公告)日：2014-08-28

    申请号：US13803578

    申请日：2013-03-14

    Applicant: Corning Incorporated

    Inventor： Dana Craig Bookbinder ,  Rostislav Radiyevich Khrapko ,  Ming-Jun Li ,  Pushkar Tandon

    IPC: G02B6/028

    CPC classification number: G02B6/0281 ,  G02B6/02014 ,  G02B6/02019 ,  G02B6/0288

    Abstract: An optical fiber is provided that includes a fiber configured to transmit optical data in a plurality of modes or in a single mode; a core region in the fiber that comprises fluorine-doped silica; and a cladding in the fiber that surrounds the core region and that comprises fluorine-doped silica. The core region has a graded refractive index profile with an alpha of about 0.5 to 5. The core of the fiber may be set with a radius of approximately 6 to 50 microns. The cladding may also comprise one or a plurality of layers, including trench or moat regions of a relatively lower refractive index. Still further, an inner cladding may be doped with fluorine at a concentration greater than that in the core region. An outer cladding can comprise silica with fluorine at a concentration below or equal to that in the inner cladding.

    Abstract translation: 提供了一种光纤，其包括被配置为以多种模式或单个模式传输光学数据的光纤; 纤维中的核心区域，其包含氟掺杂二氧化硅; 以及在纤维中围绕芯区域并且包括掺氟二氧化硅的包层。 核心区域具有约0.5至5的α的渐变折射率分布。纤维的芯可以设置为约6至50微米的半径。 包层还可以包括一个或多个层，包括相对较低折射率的沟槽或护环区域。 此外，内包层可以以比核心区域中的浓度更大的浓度掺杂氟。 外包层可以包含浓度低于或等于内包层中的氟的二氧化硅。

    MULTI-CORE OPTICAL FIBERS WITH SINGLE MODE AND MULTIMODE CORE ELEMENTS
    68.
    发明申请
    MULTI-CORE OPTICAL FIBERS WITH SINGLE MODE AND MULTIMODE CORE ELEMENTS 有权
    具有单模和多模芯元件的多芯光纤

    公开(公告)号：US20140064687A1

    公开(公告)日：2014-03-06

    申请号：US14017362

    申请日：2013-09-04

    Applicant: Corning Incorporated

    Inventor： Brett Jason Hoover ,  Ming-Jun Li

    IPC: G02B6/02

    CPC classification number: G02B6/02042 ,  G02B6/0281 ,  G02B6/03644 ,  G02B6/0365

    Abstract: Multi-core optical fibers are disclosed herein. According to one embodiment, a multi-core optical fiber includes a common outer cladding formed from silica-based glass and having a cladding index of refraction ncl. At least one single mode core element may be disposed in the common outer cladding. The at least one single mode core element may have a maximum index of refraction n1 sm. In addition, at least one multimode core element may be disposed in the common outer cladding, the at least one multimode core element having a maximum index of refraction n1 mm. The maximum refractive index n1 sm of the at least one single mode core element may be greater than the cladding index of refraction ncl, the maximum refractive index n1 mm of the at least one multi-mode core element may be greater than ncl, and a center-to-center spacing between adjacent core elements is greater than or equal to 25 μm.

    Abstract translation: 本文公开了多芯光纤。 根据一个实施例，多芯光纤包括由二氧化硅基玻璃形成并具有包层折射率ncl的公共外包层。 至少一个单模芯元件可以设置在公共外包层中。 至少一个单模芯元件可以具有最大折射率n1 sm。 此外，至少一个多模芯元件可以设置在公共外包层中，所述至少一个多模芯元件具有最大折射率n1mm。 至少一个单模芯元件的最大折射率n1 sm可以大于包层折射率ncl，至少一个多模芯元件的最大折射率n1mm可以大于ncl，并且a 相邻芯元件之间的中心间距大于或等于25μm。

    Anti-resonant hollow core optical fiber and methods of making
    69.
    发明授权
    Anti-resonant hollow core optical fiber and methods of making 有权

    公开(公告)号：US12298554B2

    公开(公告)日：2025-05-13

    申请号：US17875807

    申请日：2022-07-28

    Applicant: CORNING INCORPORATED

    Inventor： Richard Michael Fiacco ,  Ming-Jun Li ,  Stephan Lvovich Logunov ,  Jeffery Scott Stone ,  Matthew Artus Tuggle

    IPC: G02B6/02 ,  G02B6/032

    Abstract: An anti-resonant hollow core optical fiber preform that includes an outer cladding, a plurality of structural tubes, and a central support tube. The outer cladding has a length, a central longitudinal axis, and a hollow interior. The plurality of structural tubes are disposed within the hollow interior of the outer cladding, the plurality of structural tubes each having a length that extends the length of the outer cladding. And the central support tube is disposed within the hollow interior of the outer cladding such that the plurality of structural tubes are disposed radially outward of the central support tube, the central support tube having a length that extends along the central longitudinal axis of the outer cladding. Furthermore, the length of the central support tube is less than the length of the outer cladding.

    Frequency domain method and system for measuring modal bandwidth, chromatic dispersion, and skew of optical fibers
    70.
    发明授权
    Frequency domain method and system for measuring modal bandwidth, chromatic dispersion, and skew of optical fibers 有权

    公开(公告)号：US12267106B2

    公开(公告)日：2025-04-01

    申请号：US17725924

    申请日：2022-04-21

    Applicant: CORNING INCORPORATED

    Inventor： Xin Chen ,  Kangmei Li ,  Ming-Jun Li

    IPC: H04B10/07 ,  H04B10/079 ,  H04B10/2581 ,  H04B10/54 ,  H04B10/077 ,  H04B10/25

    Abstract: A method including transmitting an intensity-modulated light through a mode conditioner to generate a mode-conditioned intensity-modulated light in one or a plurality of launch conditions and transmitting the mode-conditioned intensity-modulated light through a multimode optical fiber under test (FUT) to excite a plurality of modes of the FUT. The method further includes converting the mode-conditioned intensity-modulated light transmitted through the FUT into an electrical signal, measuring, based on the electrical signal, a complex transfer function CTF(f) of the FUT, and obtaining an output pulse based on the measured complex transfer function CTF(f) from one or a plurality of launch conditions and an assumed input pulse using the equation: Pout (t)=−1(CTF(f)*(Pin(t))). Wherein, Pout (t) is the output pulse, −1(CTF(f)*(Pin(t))) is the inverse Fourier transform of the function CTF(f)*(Pin (t)), and (Pin(t)) is the Fourier transform of the assumed input pulse. Additionally, the method includes calculating modal bandwidth of the FUT based on Pout(t).

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