Class / Patent application number | Description | Number of patent applications / Date published |
385128000 | Where the second or further layer is a coating | 59 |
20080205840 | Plastic Optical Member and Producing Method Thereof - A clad pipe ( | 08-28-2008 |
20080260340 | Optical Fiber Unit for Air Blown Installation - Disclosed is an optical fiber unit for air blown installation, which includes at least one optical fiber; a buffer layer surrounding the optical fiber and made of radiation curing acrylate; an outer layer surrounding the buffer layer and made of radiation curing acrylate; and a group of solid particles attached to a surface of the outer layer and having an average diameter of 80 to 140 mm and a specific weight of 2 to 3 g/cc. Thus, there is provided a structurally stable optical fiber unit, which allows easy control of particles while the optical fiber unit is produced, and also has improved installation properties. | 10-23-2008 |
20080273852 | Sensing System Using Optical Fiber Suited to High Temperatures - Remote sensing in an environment having temperatures greater than 300° C., using an optical fiber having a core ( | 11-06-2008 |
20080317421 | OPTICAL FIBER, LIGHT AMPLIFIER AND LIGHT SOURCE - A coated optical fiber capable of transmitting high-power light, which is an optical fiber having an outer surface coated with a coating material, is characterized in that the coating material is made of a transparent UV curable resin so as to prevent the coating material from absorbing light leaked outside from the optical fiber to generate heat. Further, a light transmitting method is characterized in that a fiber fuse propagation threshold which is a minimal light output required for fiber fuse propagation is obtained and a transmitted light output is controlled so that the transmitted light output becomes smaller than the fiber fuse propagation threshold. | 12-25-2008 |
20090016687 | Optical fiber having waterproof function and method for manufacturing the same - An optical cable having a waterproof function includes an optical fiber unit having at least one optical fiber, a tube surrounding the optical fiber unit, and a watertight material layer formed by coating a mixture of watertight material and binder to an inner wall of the tube. This optical cable allows easier fabrication and more convenient use. | 01-15-2009 |
20090067794 | Plastic optical fiber cable - The invention provides a plastic optical fiber cable comprising a plastic optical fiber having a core/clad structure, a light blocking coating layer provided around the plastic optical fiber, and a protective coating layer provided between the outermost layer of the core/clad structure and the light blocking coating layer. The outermost layer of the core/clad structure is made of a fluorine-containing olefin polymer containing at least a tetrafluoroethylene unit, the crystal melting heat of the fluorine-containing olefin polymer being 59 mJ/mg or lower. The light blocking coating layer is made of a resin primarily containing a polyamide resin, the content of polyamide resin-derived monomers and oligomers being 1.5% by weight or lower. | 03-12-2009 |
20090067795 | Optical fiber configuration for dissipating stray light - An optical transmission fiber is formed to include a relatively low-index, relatively thin outer cladding layer disposed underneath the protective polymer outer coating. Stray light propagating along an inner cladding layer(s) within the fiber will be refracted into the thin outer cladding (by proper selection of refractive index values). The thin dimension of the outer cladding layer allows for the stray light to “leak” into the outer coating in a controlled, gradual manner so as to minimize heating of the coating associated with the presence of stray light. The inventive fiber may also be bent to assist in the movement of stray light into the coating. | 03-12-2009 |
20090123122 | OPTICAL FIBERS AND OPTICAL TRANSMISSION SYSTEMS - Optical fibers and optical transmission systems, which are capable of broadband and large capacity single-mode optical transmission, and have low macrobends are provided. The optical fiber made from pure silica comprising a core region, a cladding region at the circumference of the core region a coating layer made from a resin at the circumference of the cladding region, and having a cutoff wavelength of shorter than 1530 nm, and positive dispersion at 1550 nm, bending loss of less than 10 dB/m at a bending diameter of 20 mm, and an effective core area of 120 μm | 05-14-2009 |
20090185781 | Aluminum Doped Optical Fiber - According to one example of the invention an optical fiber comprises: (i) a core consisting of Al doped silica having a first index of refraction n | 07-23-2009 |
20090238526 | OPTICAL TRANSMISSION FIBER WITH THERMAL MANAGEMENT FOR HIGH POWER APPLICATIONS - An optical transmission fiber including a core having a first index of refraction, a cladding material located around the core and having a second index of refraction less than the first index of refraction, a first coating material located around a first portion of the cladding material and having a third index of refraction greater than the second index of refraction, and a second coating material located around a second portion of the cladding material and having a fourth index of refraction less than the second index of refraction. | 09-24-2009 |
20090252470 | OPTICAL FIBERS AND OPTICAL TRANSMISSION SYSTEMS - Optical fibers and optical transmission systems, which are capable of broadband and large capacity single-mode optical transmission, and have low macrobends are provided. | 10-08-2009 |
20090269015 | Optical fiber provided with reliable coating layers - An optical fiber is provided, which is unlikely to cause interlayer delamination between a glass optical fiber and a primary coating layer even when it is immersed in water. The optical fiber of the present invention includes a glass optical fiber | 10-29-2009 |
20090279837 | Plastic optical fiber cable and method of signal transmission using the same - A plastic optical fiber cable includes: a bare optical fiber including a core made of a poly(methyl methacrylate) or a copolymer including methyl methacrylate as a major component and a cladding layer including, at least in the outermost layer, a layer made of a certain fluorine-containing olefin-based resin; and a coating layer provided on the outer surface thereof. The coating layer includes a protective coating layer, a light blocking coating layer, and a functional coating layer, the layers being provided in the order mentioned from inner side. The protective coating layer is made of a certain resin material. The light blocking coating layer is made of a nylon-based resin including, as a major component, nylon 11 or nylon 12, the nylon-based resin containing monomer and oligomer compounds derived from the nylon-based resin in an amount of a certain range. The functional coating layer is made of a nylon-based resin composition having a crystalline melting point within a certain range, the nylon-based resin composition containing a certain amount of melamine cyanurate or bromine atoms and further containing a certain amount of inorganic chromatic pigments, or the layer is made of a nylon-based resin composition having a crystalline melting point of within a certain range and an oxygen transmission rate within a certain range. | 11-12-2009 |
20090297109 | Optical Fiber End Structure - An optical fiber end structure includes an optical fiber having a core end portion and a coating portion extending therefrom, and a glass capillary having a pore. The core end portion of the optical fiber is extended within the pore of the glass capillary. An outer surface of the core end portion of the optical fiber is heat-melted with an inner surface of the pore of the glass capillary to form a transitional layer therebetween such that the core end portion of the optical fiber is coaxially aligned along the axis of the glass capillary. Therefore, it significantly reduces the deviation distance between the core end portion of the optical fiber and the pore of the glass capillary. It not only increases the glass capillary stability and reliability, lower the manufacturing cost, but also improves manufacturing quality and its precision. | 12-03-2009 |
20090297110 | SUBSTITUTE SPECIFICATION CLEAN VERSION - An optical transmission element comprises optical waveguides embedded into a UV-curing protective layer. The optical waveguides and the UV-curing protective layer are surrounded by a sheath, on which spherical elements are arranged. A conductive layer is applied on the sheath and the spherical elements arranged thereon, said conductive layer having a resistivity. of an order of magnitude of 5·10 | 12-03-2009 |
20100021118 | Double-Clad Optical Fibers and Devices with Double-Clad Optical Fibers - A double-clad optical fiber includes a core, an inner cladding and an outer cladding of silica-based glass. The core may have a radius of less than about 5 μm, a first index of refraction n | 01-28-2010 |
20100046900 | Optical Fiber - The present invention provides an optical fiber in which composites constructing its coating are not complicated, so, there is also little constraint in view of production, and, moreover, delamination between a glass optical fiber and a primary layer, and a bubble in the primary layer hardly arise. The optical fiber of the present invention is an optical fiber which has a glass optical fiber which has a core | 02-25-2010 |
20100124398 | D 1413 HT RADIATION CURABLE COATINGS FOR OPTICAL FIBER - A Radiation Curable Coating composition, which may be used as an inner primary coating, an outer primary coating, single coats, a matrix, or a buffer resin composition, comprising: A Radiation Curable Coating composition, which may be used as an inner primary coating, an outer primary coating, single coats, a matrix, or a buffer resin composition, comprising at least one radiation-curable oligomer wherein said at least one radiation curable oligomer is a fatty-acid modified epoxy acrylate; at least one ethylenenic unsaturated reactive diluent; wherein said oligomer(s) and diluent(s) are selected from the group that does not include moieties with Urethane chemistry. This composition, when tested, is found to have resistance to thermal degradation as measured by less than 10% weight loss after exposure of cured specimens in a natural convection furnace for 100 hours at 180° C. | 05-20-2010 |
20100195966 | Large Effective Area Fiber With GE-Free Core - According to some embodiments an optical waveguide fiber comprises:
| 08-05-2010 |
20110085772 | Buffered Large Core Fiber - An optical fiber comprising: (i) a multi-mode silica based glass core, said core having a 80-300 μm diameter and an index of refraction n | 04-14-2011 |
20110142404 | Bend Insensitive Single Mode Fiber - This invention discloses a bend insensitive single mode fiber, which is composed by a bare glass fiber with a round cross section and two resin protective layers with circular cross sections surrounding the outer of the bare glass fiber. It is characterized in that the bare glass fiber is composed by a core layer with a round cross section and two claddings with circular cross sections. The refractive index of the core layer is higher than the index of the two claddings and the refractive index difference between the core layer and the first cladding is larger than the difference between the first and second claddings. The second cladding is made of pure SiO | 06-16-2011 |
20120163759 | RESIN COATED OPTICAL FIBER - There is provided a resin coated optical fiber, comprising at least: a glass optical fiber composed of a core and a clad for coating the core; a primary layer made of UV-curing resin in contact with the glass optical fiber; and a secondary layer made of the UV-curing resin disposed on an outer periphery of the primary layer, wherein the primary layer has a two-layer structure of an inner layer in contact with a surface of the clad, and an outer layer for coating the inner layer, wherein the UV-curing resin of the inner layer has Young's modulus of 0.9 MPa or more and 3.0 MPa or less at room temperature in a film state based on JIS standard K7113, and the UV-curing resin of the outer layer has Young's modulus of 0.1 MPa or more and 0.7 MPa or less at room temperature in a film state based on JIS standard K7113. | 06-28-2012 |
20120321265 | OPTICAL FIBER WITH DOUBLE COATING - An optical fiber includes an optical waveguide, a first coating layer disposed to surround the optical waveguide and a second coating layer disposed to surround the first coating layer, wherein the first coating layer is formed by a cured polymeric material obtained by curing a radiation curable composition including at least one (meth)acrylate monomer esterified with at least one branched alcohol having from 9 to 12 carbon atoms, and the second coating layer is formed by a cured polymeric material obtained by curing a radiation curable (meth)acrylate composition including from 0.8% to 1.5% by weight of silica, based on the total weight of the composition. | 12-20-2012 |
20130011108 | UV Curable Acrylate Buffer Coating for Optical Fiber - Certain embodiments of the invention may include a UV curable acrylate buffer coating for optical fiber. According to an example embodiment of the invention, a buffered optical fiber is provided. The buffered optical fiber includes a core, a cladding surrounding the core, a primary layer surrounding the cladding, a secondary layer surrounding the primary layer. A clear or translucent buffer surrounds the optical fiber, wherein the buffer includes polyester/polyether polyol aliphatic urethane acrylate, and the buffer has an elastic modulus greater than 40,000 psi. | 01-10-2013 |
20130064516 | METHOD OF MANUFACTURING OPTICAL FIBER AND OPTICAL FIBER - A method of manufacturing an optical fiber includes a first step of drawing an optical fiber preform into a glass fiber and disposing a fiber coating on the outer circumference of the glass fiber to form a parent optical fiber; a second step of cutting the parent optical fiber into a plurality of individual optical fibers; a third step of determining, at, at least, one spot of the parent optical fiber, a failure strength F1 and a failure time T; a fourth step of determining a failure strength F2 of each of the individual optical fibers; and a fifth step of selecting an optical fiber having a failure strength F2 of 5.5 kgf or more from the individual optical fibers cut from the parent optical fiber whose failure strength F1 and failure time T satisfy the inequality T>2.6×10 | 03-14-2013 |
20130094825 | OPTICAL FIBER, OPTICAL FIBER CORD, AND OPTICAL FIBER CABLE - A trench optical fiber that stably realizes a small transmission loss includes (1) a core extending in an axial direction while containing an axial center of the fiber, the core having a diameter d | 04-18-2013 |
20130170804 | MULTI-CORE OPTICAL FIBER - The present invention relates to a multi-core optical fiber that can realize suppression of crosstalk on an easy and inexpensive basis. The multi-core optical fiber is provided with a plurality of core portions extending along a central axis of the fiber, a common cladding portion integrally holding the core portions inside, a coating layer surrounding the common cladding portion, and a bend applying portion. The bend applying portion, as an example, is provided on a partial region of an outer periphery of the coating layer and applies bending stress to a glass region. | 07-04-2013 |
20130195412 | METHODS AND APPARATUS RELATED TO A LAUNCH CONNECTOR PORTION OF A URETEROSCOPE LASER-ENERGY-DELIVERY DEVICE - In one embodiment, an apparatus includes an optical fiber made of a silica-based material. A proximal end portion of the optical fiber has an outer-layer portion. The proximal end portion can be included in at least a portion of a launch connector configured to receive electromagnetic radiation. The apparatus also includes a component that has a bore therethrough and can be made of a doped silica material. The bore can have an inner-layer portion heat-fused to the outer-layer portion of the optical fiber. The component can also have an index of refraction lower than an index of refraction associated with the outer-layer portion of the optical fiber. | 08-01-2013 |
20130266281 | COLORED COATED OPTICAL FIBER - The present invention provides a colored coated optical fiber which hardly has an increase in transmission loss even when immersed in water. A colored coated optical fiber according to one embodiment of the present invention includes a glass optical fiber, a primary coating layer covering the glass optical fiber, a secondary coating layer covering the primary coating layer, and a colored layer covering the secondary coating layer. A ratio of a thermal expansion coefficient of a laminate including the secondary coating layer and the colored layer covering the secondary coating layer to that of the secondary coating layer is 0.98 or more and 1.03 or less. A ratio of a glass transition temperature based on a dynamic viscoelasticity within a temperature range from −100° C. to 150° C. of the laminate to that of the secondary coating layer is 0.96 or more and 1.03 or less. | 10-10-2013 |
20130287355 | OPTICAL FIBER HAVING A CLADDING LAYER DOPED WITH METAL NANO-PARTICLES, CORELESS OPTICAL FIBER, AND METHOD FOR MANUFACTURING SAME - The present invention relates to an optical fiber for an SPR sensor, characterized in that the optical fiber is comprised of a core layer and a cladding layer surrounding the core layer, and the cladding layer is doped with metal nanoparticles. | 10-31-2013 |
20130302003 | PRIMARY OPTICAL FIBER COATING COMPOSITION CONTAINING NON-RADIATION CURABLE COMPONENT - A radiation curable composition is disclosed that includes a curable cross-linker essentially free of urethane and urea functional groups, a curable diluent, and a non-radiation curable component comprising (thio)urethane and/or urea groups. Coated optical fibers having a primary coating formed from this radiation curable composition, as well as optical fiber ribbons that contain the coated optical fibers are disclosed. Methods of making the optical fibers and ribbons are also disclosed. | 11-14-2013 |
20130343714 | COATED OPTICAL FIBER - A coated glass fiber | 12-26-2013 |
20140099063 | D1363 BT RADIATION CURABLE PRIMARY COATINGS ON OPTICAL FIBER - Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer CA/CR comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable Primary Coating composition has a modulus of less than or equal to about 1.2 MPa. | 04-10-2014 |
20140105555 | D1379 P RADIATION CURABLE PRIMARY COATING ON OPTICAL FIBER - Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and processes to coat the optical fiber are described and claimed. The radiation curable coating is a radiation curable Primary Coating composition comprising: an oligomer; a first diluent monomer; a second diluent monomer, a photoinitiator; an antioxidant; and an adhesion promoter; wherein said oligomer is the reaction product of: a hydroxyethyl acrylate; an aromatic isocyanate; an aliphatic isocyanate; a polyol; a catalyst; and an inhibitor, and wherein said oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; wherein a cured film of said radiation curable primary coating composition has a peak tan delta Tg of from about −25° C. to about −45° C. and a modulus of from about 0.50 MPa to about 1.2 MPa. | 04-17-2014 |
20140126866 | D1378 CA RADIATION CURABLE PRIMARY COATING FOR OPTICAL FIBER - Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. A radiation curable Primary Coating composition comprising: an oligomer; a diluent monomer;
| 05-08-2014 |
20140126867 | D1369 D RADIATION CURABLE SECONDARY COATING FOR OPTICAL FIBER - A wet-on-dry process for coating a glass optical fiber with a Radiation Curable Secondary Coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable primary coating composition onto the surface of the optical fiber; (c) applying radiation to effect curing of said radiation curable primary coating composition; (d) applying a Radiation Curable Secondary Coating to the radiation curable primary coating; and (e) applying radiation to effect curing of said Radiation Curable Secondary Coating. Also, a wet-on-wet process for coating a glass optical fiber with a Radiation Curable Secondary Coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable primary coating composition onto the surface of the optical fiber; (c) applying a Radiation Curable Secondary Coating to the radiation curable primary coating; and (d) applying radiation to effect curing of the radiation curable primary coating and the Radiation Curable Secondary Coating. | 05-08-2014 |
20140126868 | D1370 R RADIATION CURABLE SECONDARY COATING FOR OPTICAL FIBER - A Radiation Curable Secondary Coating comprising
| 05-08-2014 |
20140161406 | METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND OPTICAL FIBER - A method of manufacturing an optical fiber preform includes forming a porous body that is made of glass particles and includes a first region and a second region formed on an outer circumference of the first region, performing a first heat treatment on the porous body under an atmosphere containing a fluorine gas, performing a second heat treatment on the porous body after the first heat treatment at a higher temperature than that of the first heat treatment to form a transparent glass body, and forming a cladding portion on an outer circumference of the transparent glass body. | 06-12-2014 |
20140199040 | OPTICAL FIBER - Provided is an optical fiber which is provided with heat resistance and productivity and in which a transmission loss is suppressed even in a high-temperature environment. It has, on an outer periphery of a glass fiber composed of a core part and a cladding part, a coating layer made by crosslinking an energy-curable resin composition containing a silicon compound, in which the silicon compound contained in the energy-curable resin composition of the coating layer as an outermost layer has a specified structure having a cyclic silicone site having an epoxy group and a linear silicone site, with the content of the cyclic silicone site in the compound being from 10 to 30% by mass. | 07-17-2014 |
20140241687 | D1499 RADIATION CURABLE RESIN COMPOSITION - A radiation curable resin composition, containing (A) urethane oligomer containing the reactants of an aliphatic polyester or polyether diol and a diisocyanate and a monohydric alcohol, or urethane oligomer obtained by reacting the reactants of an aliphatic polyester or polyether diol and a diisocyanate with a monohydric alcohol and then reacting a hydroxyl group-containing (meth)acrylate, and (B) monofunctional acrylic monomer, and the contained quantity of (C) polyfunctional acrylic monomer is 2 mass % or less is described and claimed. | 08-28-2014 |
20140294355 | LARGE EFFECTIVE AREA FIBER WITH LOW BENDING LOSSES - A fiber having a large effective area at 1550 nm of at least 130 μm | 10-02-2014 |
20140328566 | OPTICAL FIBER WITH LARGE MODE FIELD DIAMETER AND LOW MICROBENDING LOSSES - Optical fibers having a mode field diameter at 1310 nm of at least 8.8 μm, wire mesh covered drum microbending losses at 1550 nm less than 0.03 dB/km, and a 2 m cutoff wavelength less than 1320 nm. The fibers may include a central core region, an inner cladding region, an outer cladding region, a primary coating with an in situ modulus less than 0.20 MPa and glass transition temperature less than −35° C., and a secondary coating with an in situ modulus greater than 1500 MPa. The fibers may further include a depressed index cladding region. The relative refractive index of the central core region may be greater than the relative refractive index of the outer cladding region may be greater than the relative refractive index of the inner cladding region. The fibers may be produced at draw speeds of 30 m/s or greater. | 11-06-2014 |
20140341521 | LOW COST, FAST CURING OPTICAL FIBER COATINGS - A low cost composition that cures rapidly and which is suitable for coating an optical fiber comprises at least one ethylenically unsaturated monomer; at least one photoinitiator; and at least one non-radiation-curable polar polymer having pendent groups that facilitate low energy chemical bonding, hydrogen bonding, dipolar interactions or other interactions with radical compounds formed during polymerization of the monomer. The non-radiation-curable polar polymer(s) are inexpensive and reduce and/or eliminate the need for expensive urethane acrylate oligomers, without sacrificing properties, and while achieving rapid cure speeds. | 11-20-2014 |
20150043880 | METHODS FOR PRODUCING A SEMIFINISHED PART FOR THE MANUFACTURE OF AN OPTICAL FIBER WHICH IS OPTIMIZED IN TERMS OF BENDING - Methods for producing a semifinished part for the manufacture of an optical fiber are disclosed. The methods are optimized in terms of bending. The methods include the steps of providing a shell tube with a shell refractive index which is lower in relation to the light-conducting core. Then, at least one protective, intermediate and/or barrier layer is applied to a radially outermost and/or innermost tube surface of the respective shell tube, wherein a build-up of light-conducting layers is realized on the inner side and/or the outer side of the shell tube. Finally, the shell tubes are joined by collapsing so as to form the semifinished part. | 02-12-2015 |
20150050000 | D1369 D RADIATION CURABLE SECONDARY COATING FOR OPTICAL FIBER - A new radiation curable Secondary Coating for optical fibers is described and claimed wherein said composition comprises a Secondary Coating Oligomer Blend, which is mixed with a first diluent monomer; a second diluent monomer; optionally, a third diluent monomer; an antioxidant; a first photoinitiator; a second photoinitiator; and optionally a slip additive or a blend of slip additives; wherein said Secondary Coating Oligomer Blend comprises:
| 02-19-2015 |
20150117828 | Systems and Methods for Producing Robust Chalcogenide Optical Fibers - In one embodiment, a chalcogenide glass optical fiber is produced by forming a billet including a chalcogenide glass mass and a polymer mass in a stacked configuration, heating the billet to a temperature below the melting point of the chalcogenide glass, extruding the billet in the ambient environment to form a preform rod having a chalcogenide glass core and a polymer jacket, and drawing the preform rod. | 04-30-2015 |
20150131956 | COATED OPTICAL FIBER - Provided is a coated optical fiber excellent in both characteristics of the microbending loss resistance and the low-temperature characteristic. The coated optical fiber | 05-14-2015 |
20150147041 | OPTICAL FIBER AND OPTICAL FIBER MANUFACTURING METHOD - An optical fiber includes a core, a cladding, and a thermally conductive member. The cladding is formed in a surrounding of the core. The thermally conductive member is formed in a surrounding of the cladding and includes a thermal conductivity higher than thermal conductivities of the core and the cladding. | 05-28-2015 |
20150338575 | COATED OPTICAL FIBRES HAVING IMPROVED FEATURES - A waveguide for high efficiency transmission of high energy light useful in ablation procedures at predetermined bandwidths over predetermined distances comprising: an optical fiber core; a silanization agent; layered cladding surrounding the optical fiber core comprising: a first thin metal layer comprising at least two types of metals the first thin metal layer covalently bonded to the core and a second thin metal layer bonded to the second metal layer; and a catalyst component; wherein the silanization agent comprising organofunctional alkoxysilane molecule, such as 3-aminopropyltriethoxysilane (APTS), is a self supporting bridge between the surface of the optical fiber and the first metal layer; the first metal layer is uniformly chemisorbed onto the surface of the optical fiber by means of covalent Si—O—Si bonds with the optical fiber; further wherein the catalyst component derived from an activation solution for enhancing the layered cladding upon the optical fiber. | 11-26-2015 |
20160004023 | HIGH TEMPERATURE RADIO FREQUENCY RESISTANT FIBER OPTIC CABLE - A high temperature radio frequency (RF) resistant fiber optic cable is provided. The cable includes an innermost fiber layer, a first coating layer covering the innermost fiber, a second coating layer covering the first coating layer, and a third coating layer covering the second coating layer. The composition and thickness of the coating layers can be changed to achieve the desired temperature resistance and characteristics. | 01-07-2016 |
20160025925 | METHOD AND APPARATUS FOR FABRICATION OF METAL-COATED OPTICAL FIBER, AND THE RESULTING OPTICAL FIBER - Method and apparatus for producing metal-coated optical fiber involves providing a length of optical fiber having a glass fiber with or without a carbon layer surrounded by a liquid-soluble polymeric coating. The optical fiber is passed through a series of solution baths such that the fiber will contact the solution in each bath for a predetermined dwell time, the series of solution baths effecting removal of the polymer coating and subsequent electroless plating of metal on the glass fiber. The optical fiber is collected after metal plating so that a selected quantity of the metal-coated optical fiber is gathered, Preferably, the glass fiber passes through the series of solution baths without contacting anything except for the respective solution in each. | 01-28-2016 |
20160047977 | OPTICAL FIBER AND PROCESS FOR PRODUCING THE SAME - A process for producing an optical fiber including a glass fiber, a primary resin coating layer which covers the periphery of the glass fiber, and a secondary resin coating layer which covers the periphery of the primary resin coating layer, wherein the primary resin coating layer is formed by curing a curable resin composition which includes one or more oligomers, one or more monomers, and a reaction initiator, the curable resin composition containing a one-end-capped oligomer in an amount of 30% by mass or larger based on all the oligomers. The optical fiber produced by this production process does not deteriorate in low-temperature transmission loss, because the primary resin coating layer is inhibited from generating voids even when having a low Young's modulus. | 02-18-2016 |
20160109651 | Low Loss Optical Fiber And Method Of Making The Same - The core region of an optical fiber is doped with chlorine in a concentration that allows for the viscosity of the core region to be lowered, approaching the viscosity of the surrounding cladding. An annular interface region is disposed between the core and cladding and contains a concentration of fluorine dopant sufficient to match the viscosity of the core. By including this annular stress accommodation region, the cladding layer can be formed to include the relatively high concentration of fluorine required to provide the desired degree of optical signal confinement (Le., forming a “low loss” optical fiber). | 04-21-2016 |
20160139331 | OPTICAL FIBER COATING COMPOSITIONS WITH ACRYLIC POLYMERS - An optical fiber coating composition is provided. The optical fiber coating composition includes a radiation-curable component, a photoinitiator, and an acrylic polymer having at least one benzophenone group. | 05-19-2016 |
20160139332 | OPTICAL FIBER - The present invention relates to an optical fiber containing a glass fiber and a resinous coating layer that covers a periphery of the glass fiber, in which the resinous coating layer contains an ethanol of 10 mg or less or a methanol of 2 mg or less per gram of the resinous coating layer. | 05-19-2016 |
20160170138 | SINGLE LARGE MODE CLADDING AMPLIFICATION IN ACTIVE DOUBLE-CLAD FIBERS | 06-16-2016 |
20160178837 | OPTICAL ELEMENT DEVICE AND METHOD OF FABRICATION THEREOF | 06-23-2016 |
20170233282 | FIBER OPTIC MANUFACTURING IN SPACE | 08-17-2017 |
20190146150 | Optical Fiber For Applications Requiring High System Optical Signal-To-Noise Ratio Performance And Low Degradation From Nonlinear Impairments | 05-16-2019 |