公开(公告)号：US20200049874A1

公开(公告)日：2020-02-13

申请号：US16100844

申请日：2018-08-10

申请人： LEONI Kabel GmbH

发明人： Dirk Eckardt

IPC分类号： F21V8/00 ,  G02B6/02 ,  G02B1/04 ,  C03C25/104

摘要： Optical fiber systems and related methods are provided. The optical fiber systems include at least one optical fiber and at least one light source. The optical fibers include a core, a cladding, and a jacket. Scattering structures are dispersed within the cladding. The optical fibers are configured to scatter light by way of the scattering structures away from the core to emit radial lighting along the length of the optical fibers.

公开(公告)号：US20190293854A1

公开(公告)日：2019-09-26

申请号：US16340993

申请日：2017-09-13

申请人： ZF FRIEDRICHSHAFEN AG

发明人： Alexander Kirilenko ,  Joachim Spratte

IPC分类号： F21V8/00 ,  C03C25/104

摘要： The invention relates to a method for producing a fiber optic element (102). An optical fiber (106) is coated at least in part with a transparent metal layer (108) by sputtering at least one metallic diffuser thereon.

公开(公告)号：US20230122926A1

公开(公告)日：2023-04-20

申请号：US17791937

申请日：2021-01-15

申请人： Japan Fine Coatings Co., Ltd.

发明人： Daigou MOCHIZUKI ,  Takumi NAKAJIMA ,  Noriyasu SHINOHARA

IPC分类号： C03C25/326 ,  C03C25/104 ,  C08G18/76

摘要： [Problem] To provide a radiation curable resin composition that is suitable as a primary material of an optical fiber and has a fast curing rate by irradiation with radiation.
[Solution] A radiation polymerizable composition for forming a primary coating layer of an optical fiber, the radiation polymerizable composition comprising: (A) a urethane oligomer comprising a structure represented by formula (I) below: wherein R is a vinyl group and * is a bond; (B) one or more compounds of: (i) maleic anhydride, (ii) a compound represented by formula (II): wherein R1 is a single bond or an alkanediyl group comprising 1 to 6 carbon atoms, and R2 is a hydrogen atom, a hydroxy group, or a group represented by predetermined formula (II-1) or formula (II-2), or (iii) a compound represented by formula (III): wherein R5 is an alkanediyl group comprising 1 to 6 carbon atoms; and (C) a radiation polymerization initiator.

公开(公告)号：US20230036344A1

公开(公告)日：2023-02-02

申请号：US17790636

申请日：2021-01-11

申请人： OFS FITEL, LLC

发明人： Andrei A Stolov ,  Paul S Westbrook

IPC分类号： G02B6/02 ,  C03B37/025 ,  C03C25/104

摘要： Described herein are systems, methods, and articles of manufacture for a spatially nonuniform scattering profile along its length, whose backscattering signal can be used for sensing even after fiber attenuation increases due to the conditions in the sensing environment. In one embodiment, the fiber has been pre-exposed to the conditions that produce attenuation, and the spatially nonuniform profile compensates for this. Subsequent exposure then results in very little or at least acceptable levels of additional attenuation. An exemplary fiber comprises a fiber length and an optical back scatter along the fiber length greater than a Rayleigh back scattering over the fiber length, wherein the optical back scatter does not decrease along the fiber length by more than 3 dB after exposure to a hydrogen-rich first environment having a given pressure and temperature. An exemplary method comprises drawing a fiber, applying a UV coating, post-processing the fiber using an interferogram, measuring optical back scatter enhancement dependence based on a UV dosage, incrementally increasing the reflectivity, exposing the fiber to a hydrogen-rich first environment.

公开(公告)号：US11079537B2

公开(公告)日：2021-08-03

申请号：US16561656

申请日：2019-09-05

申请人： FURUKAWA ELECTRIC CO., LTD.

发明人： Ryo Miyabe ,  Keiichi Aiso

IPC分类号： C03B37/014 ,  C03B37/018 ,  C03B37/027 ,  C03C3/06 ,  C03C13/04 ,  C03C25/104 ,  C03C25/1065 ,  G02B6/02 ,  G02B6/028 ,  G02B6/036 ,  C03B37/03

摘要： An optical fiber has a core to which chlorine is added and a clad to which fluorine is added, chlorine of 9000 to 13000 ppm is added to the core, a relative refractive index difference Δ1 of the core to a pure silica glass is 0.09 to 0.13%, a relative refractive index difference Δ2 of the clad to a pure silica glass is −0.36 to −0.17%, a difference (Δ1-Δ2) between the relative refractive index difference Δ1 of the core and the relative refractive index difference Δ2 of the clad is larger than or equal to 0.30%, a mode field diameter at wavelength 1.31 μm is 8.8 to 9.6 μm, and a stress difference occurring at an interface between the core and the clad is lower than or equal to 60 MPa.

公开(公告)号：US10596543B2

公开(公告)日：2020-03-24

申请号：US15884312

申请日：2018-01-30

申请人： HOYA CANDEO OPTRONICS CORPORATION

发明人： Kazutaka Shito

IPC分类号： B01J19/12 ,  A61L2/26 ,  A61L2/10 ,  G02B6/02 ,  G02B19/00 ,  B05D3/06 ,  C03C25/104 ,  C03C25/6226 ,  C03C25/24 ,  C03C25/12

摘要： A light irradiation device includes a light source having a plurality of solid-state elements disposed on a substrate to be defined by a first direction and a second direction in a plurality of rows and irradiate the irradiation target with light from a third direction, an optical element refracting light from the solid-state elements, emitting the light and narrowing a spread angle of light to be emitted from the solid-state elements relative to the third direction, a first reflection portion having at least two first reflection surfaces on a downstream side in the third direction of the irradiation target and reflecting a part of light incident on the first reflection surface to the irradiation target, and a second reflection portion having a pair of second reflection surfaces disposed between the optical element and the first reflection portion and guiding light from the optical element to the first reflection surface.

公开(公告)号：US12006253B2

公开(公告)日：2024-06-11

申请号：US17030605

申请日：2020-09-24

申请人： CORNING INCORPORATED

发明人： Dana Craig Bookbinder ,  Stephan Lvovich Logunov ,  Darren Andrew Stainer ,  Pushkar Tandon ,  Ruchi Tandon

IPC分类号： G02B6/00 ,  C03C25/104 ,  C03C25/12 ,  C03C25/6226 ,  G02B6/02

CPC分类号： C03C25/104 ,  C03C25/12 ,  C03C25/6226 ,  G02B6/02395 ,  C03C2217/73

摘要： An optical fiber curing component includes a first tube comprising a first body defining a first interior surface and a first exterior surface, the first tube defining a first aperture and a second aperture on opposite ends of a first cavity, wherein the first tube defines a central axis extending through the first cavity; light sources coupled to the first body of the first tube and configured to emit light toward the central axis of the first tube, wherein each of the light sources intersect a common plane defined perpendicular to the central axis of the first tube; a silica glass article, having an anti-reflective coating, disposed between each of the plurality of light sources and the central axis of the first tube; and a reflective coating positioned on the interior surface of the first body and configured to reflect the light toward the central axis of the first tube.

公开(公告)号：US20240126008A1

公开(公告)日：2024-04-18

申请号：US18482265

申请日：2023-10-06

申请人： Paul K. Westerhoff ,  Hojung Rho

发明人： Paul K. Westerhoff ,  Hojung Rho

IPC分类号： G02B6/02 ,  B01D61/08 ,  C03C25/104

CPC分类号： G02B6/02 ,  B01D61/08 ,  C03C25/104

摘要： A composite material includes one or more side-emitting optical fibers arranged in a pattern defining openings bounded at least in part by the one or more side-emitting optical fibers. The one or more side-emitting optical fibers have a UV-C transparent coating, and at least one of the one or more side-emitting optical fibers is configured to be coupled to a light-emitting diode. A reverse osmosis filter includes a reverse osmosis membrane and the composite material coupled to the reverse osmosis membrane.

公开(公告)号：US11090684B2

公开(公告)日：2021-08-17

申请号：US16620146

申请日：2018-06-12

申请人： Ushio Denki Kabushiki Kaisha

发明人： Kazuhiko Shinoda

IPC分类号： B05D3/06 ,  B29C35/08 ,  C03C25/104 ,  F21V7/09 ,  C03C25/62 ,  C03C25/622 ,  H01B13/00

摘要： A photoirradiation device includes an insertion path for inserting a wire rod; a first reflector having a circular arc shape centered on a point shifted from a center of the insertion path by a first distance, one side of the first reflector facing the insertion path being a reflective surface; a second reflector disposed adjacent open edges of the first reflector and having a circular arc shape centered on a point shifted from the center of the insertion path by a second distance that is different from the first distance, one side of the second reflector facing the insertion path being a reflective surface; and a light source that is positioned on an opposite side of the insertion path from the first reflector and that projects light toward the wire rod.

公开(公告)号：US10882783B2

公开(公告)日：2021-01-05

申请号：US15995796

申请日：2018-06-01

申请人： Furukawa Electric Co., Ltd.

发明人： Hiroki Tanaka ,  Yutaka Hoshino ,  Hirotaka Watanabe ,  Yoshihiro Arashitani ,  Kenji Yokomizo ,  Tomohiro Ishimura

IPC分类号： C03C25/24 ,  C03C25/105 ,  C03C25/475 ,  C03C25/104 ,  G02B6/44 ,  G02B6/02

摘要： An optical fiber ribbon is intermittently connected in a length direction by an intermittent connection which includes a polyol having a weight-average molecular weight of 3000 to 4000 in a specific amount relative to the entire intermittent connection and which has Young's modulus at 23° C. within a specific range. When collectively unitizing optical fiber ribbons to form an optical fiber cable, an optical fiber ribbon is formed which maintains advantages of the optical fiber ribbon and which prevents cracks of the intermittent connection and detachment of the intermittent connection from a colored optical fiber core when the cable is subjected to repetitive ironing.