序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
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141 | METHOD OF THERMALLY DRAWING STRUCTURED SHEETS | EP14754368 | 2014-02-24 | EP2958865A4 | 2016-10-26 | BANAEI ESMAEIL |
A method of drawing a material into sheet form includes forming a preform comprising at least one material as a large aspect ratio block wherein a first transverse dimension of the preform is much greater than a second transverse dimension substantially perpendicular to the first transverse dimension. A furnace having substantially linearly opposed heating elements one spaced from the other is provided and the heating elements are energized to apply heat to the preform to create a negative thermal gradient from an exterior surface along the first transverse dimension of the preform inward toward a central plane of the preform. The preform is drawn in such a manner that the material substantially maintains its first transverse dimension and deforms across its second transverse dimension. | ||||||
142 | ISOTHERMAL PLASMA CVD SYSTEM FOR REDUCED TAPER IN OPTICAL FIBER PREFORMS | EP15178131.7 | 2015-07-23 | EP2977360A1 | 2016-01-27 | ALONZO, John C.; BRAGANZA, David D.; BRODEUR, Merrill H.; FLEMING, James W. |
A chemical vapor deposition (CVD) system is configured to reduce the presence of geometrical and optical taper at the end sections of the preform, or more generally controlling the axial profile of the fabricated optical fiber preform. The system is configured to create an isothermal plasma with an RF coil (22) within the substrate tube (12), with a relatively confined deposition zone (40) located upstream of the plasma. A reagent delivery system (50) is configured to adjust the composition and concentration of the introduced species in synchronization with the movement of the plasma and deposition zone within the substrate tube. By synchronizing the movement of the plasma with the adjustable reagent delivery system, it is possible to provide precision control of the axial profile of the created optical fiber preform. |
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143 | OPTICAL FIBER AND PRODUCTION METHOD THEREOF | EP04771600 | 2004-08-12 | EP1655625A4 | 2010-10-27 | MORI A; KATO M; ENBUTSU K; AOZASA S; OIKAWA K; KURIHARA T; FUJIURA K; SHIMIZU M; SHIKANO K |
An optical fiber, which has a zero-material dispersion wavelength equal to or greater than 2 µm, and a high nonlinear susceptibility Ç 3 equal to or greater than 1 x 10 -12 esu, and uses tellurite glass having sufficient thermal stability for processing into a low loss fiber, employs a PCF structure or HF structure having strong confinement into a core region. This enables light to propagate at a low loss. The size and geometry of air holes formed in the core region, and the spacing between adjacent air holes make it possible to control the zero dispersion wavelength within an optical telecommunication window (1.2-1.7 µm), and to achieve large nonlinearity with a nonlinear coefficient ³ equal to or greater than 500W -1 km -1 . | ||||||
144 | Microstructured optical fibre in an arrangement such that light propagates perpendicularly to optical axis of fibre | EP04024871.8 | 2004-10-19 | EP1526395B1 | 2008-04-23 | Eggleton, Benjamin J.; Ogai, Mikio; Sumetsky, Mikhail |
145 | Microstructured optical fibre in an arrangement such that light propagates perpendicularly to optical axis of fibre | EP04024871.8 | 2004-10-19 | EP1526395A1 | 2005-04-27 | Eggleton, Benjamin J.; Ogai, Mikio; Sumetsky, Mikhail |
A microstructured optical component is formed from an optical preform fabricated to include one ore more internal regions of differing refractive index. The preform is drawn into a fiber and sliced into relatively long individual fiber segments, each segment thus forming a microstructured optical component. An optical signal may then be coupled through a sidewall of the component in a direction parallel to the endfaces of the segment. A more complex structure can be formed by grouping together a plurality of fiber segments and performing an additional drawing and slicing process. |
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146 | A PREFORM FOR A HOLEY OPTICAL FIBRE, A HOLEY OPTICAL FIBRE, AND A METHOD FOR THEIR PRODUCTION | EP02724437.5 | 2002-04-30 | EP1388018A1 | 2004-02-11 | WADSWORTH, William, John; MANGAN, Brian, Joseph; BIRKS, Timothy, A.; KNIGHT, Jonathan, Cave; RUSSELL, Philip, St., John |
A holey optical fibre for supporting propagation of light of a wavelength μ, comprises a plurality of cylinders (10) each having a longitudinal axis, the cylinders (10) being separated from each other by regions of a matrix material (20) and having their longitudinal axes substantially parallel to each other. Each cylinder (10) has a diameter, in the plane perpendicular to the longitudinal axis, that is small enough for the composite material of the ensemble of cylinders and matrix material to be substantially optically homogenous in respect of light of wavelength μ. | ||||||
147 | Kink resistant high pressure hose | EP99107515.1 | 1999-04-15 | EP0969236A3 | 2002-01-02 | Kleinert, Helmut |
A kink-resistant hose construction (10) adapted for conveying fluids under high pressure which is flexible intermediate a central longitudinal axis (12) to a minimum bend radius. The construction includes a thermoplastic core (14) having an inner surface (16) defining the inner diameter of the hose and an outer surface (18), and an innermost reinforcement layer (20) is formed as a composite of at least one metallic wire element and at least one non-metallic fibre element. The metallic wire element is wound helically in one direction over the outer surface of the core a predetermined pitch angle measured relative to the longitudinal axis to define a series first turns. Each of these first tuns is spaced-apart from an adjacent first turn to define successive pairs of first turns each having an interstitial area therebetween. The fiber element, in turn, is wound helically over the outer surface of the core in the same direction and at the same pitch angle as the metallic wire element to define a series of second turns each disposed intermediate a corresponding one of the pairs of the first turns or the wire element. The fiber element substantially occupies the interstitial area between each of the pairs of the first turns of the wire element to thereby prevent the wall of the core from being extruded therebetween as the hose is flexed to its minimum bend radius. |
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148 | METHOD OF FABRICATING A CYLINDRICAL OPTICAL FIBER CONTAINING AN OPTICALLY ACTIVE FILM | EP99946580.0 | 1999-06-01 | EP1110113A1 | 2001-06-27 | KORNREICH, Philipp, G.; FLATTERY, James; KELLER, Douglas, V., Jr. |
A method of forming a preform which has a glass core surrounded by an outer glass cladding with a coating of a light interactive material disposed between the core and cladding. The method includes providing a glass core having a viscosity which lies within a given preselected temperature range, followed by forming a substantially homogeneous coating of a light interactive material over the surface of the core, with the coating material having a viscosity which is equal to or less than the viscosity of the glass core. A glass cladding is formed over the coated layer, with the cladding glass having a viscosity which overlaps the viscosity of the core glass and a thermal coefficient of expansion compatible with that of the core. The light interactive material is an inorganic material which includes a metal, metal alloy, ferrite, magnetic material and a semiconductor. | ||||||
149 | METHOD OF MAKING DISPERSION DECREASING AND DISPERSION MANAGED OPTICAL FIBER | EP97905912.8 | 1997-02-11 | EP0881993B1 | 2001-06-13 | DOBBINS, Michael, S. |
150 | A PHOTONIC BAND GAP FIBRE | EP99911645.2 | 1999-03-30 | EP1086393A1 | 2001-03-28 | BROENG, Jes; BARKOU, Stig Eigill; BJARKLEV, Anders Overgaard |
An optical fibre having a periodicidal cladding structure provididing a photonic band gap structure with superior qualities. The periodical structure being one wherein high index areas are defined and wherein these are separated using a number of methods. One such method is the introduction of additional low index elements, another method is providing elongated elements deformed in relation to a circular cross section. Also described is a cladding structure comprising elongated elements of a material having an index of refraction higher than that of the material adjacent thereto. Using this additional material, prior art structures may obtain much better qualities. | ||||||
151 | Optical fiber | EP92401584.5 | 1992-06-09 | EP0518749B1 | 1997-10-22 | Yamauchi, Ryozo; Wada, Akira; Nozawa, Tetsuo; Tanaka, Daiichirou; Sakai, Tetsuya |
152 | Polarization locked optical fiber and method | EP85104817.3 | 1985-04-20 | EP0162303B1 | 1991-12-27 | Hicks, John Wilbur, Jr. |
153 | Polarization-maintaining optical fiber | EP90301007.2 | 1990-01-31 | EP0381473A2 | 1990-08-08 | Onstott, James R., c/o Minnesota Mining and; Messerly, Michael, J. c/o Minnesota Mining and; Donalds, Lawrence, J. c/o Minnesota Mining and; Mikkelson, Raymond, C. c/o Minnesota Mining and |
A single-mode, polarization-maintaining optical fiber has both excellent signal attenuation and resistance to adverse bending effects because (1) its cladding and any portion of the jacket that is within five times the radius of the mode-field in its core have a substantially uniform index of refraction that is at least 0.005 less than that of pure silica, and (2) the index of refraction of the core is at least as great as, but preferably not substantially greater than, that of pure silica. Preferably, the stress-applying region of the fiber is elliptical, and the jacket is pure silica. |
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154 | Self-aligning optical fiber and fiber-ring optical resonator using same | EP86307146.0 | 1986-09-17 | EP0215674A3 | 1989-05-24 | Dyott, Richard B. |
A continuously drawn optical fiber (25) comprising a core (26) and cladding (27) having different refractive indices and forming a single-mode guiding region, and the outer surface of the fiber (25) having a cross-section forming a pair of orthogonal exterior fiat surfaces (29, 30) so that the location of the guiding region can be ascertained from the exterior geometry of the fiber (25), the guiding region being offset from the center of gravity of the transverse cross-section of the fiber (25) and located sufficiently close to at least one of the flat surfaces (29, 30) to allow coupling to a guided wave through that surface by exposure or expansion of the field of the guiding region. |
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155 | Polarization plane maintaining optical fiber and fabricating method therefor | EP82302773.5 | 1982-05-28 | EP0067017B1 | 1987-03-04 | Matsumura, Hiroyoshi; Katsuyama, Toshio; Suganuma, Tsuneo |
156 | Method of manufacturing a passive fibre-optic component | EP86200649.1 | 1986-04-16 | EP0201121A1 | 1986-11-12 | Severijns, Adrianus Petrus; Severin, Petrus Johannes Wilhelmus; Van Bommel, Cornelus Hubertus Maria |
A method of manufacturing a passive fibre optic component, in which the required fibres (1) are each bared at one end by removal of the outer coating of the fibre nand the bare portions of the fibres are etched, whereby a portion of the etched part of each fibre (1) is given a cylindrical end portion which adjoins a conical portion. Subsequently the fibres (1) are arranged with their etched portions in a capillary tube (21) which is sealed at one end and the tube (21) is then evacuated and is fused with the etched portions of the fibres to form a solid rod with a rotational symmetrical distribution of the end portions of the fibres. The fibres are etched to such a diameter that after fusion of the fibres (1) with the tube (21) the fused fibre ends have a circular cross-section substantially equal to the cross-section of a single fibre core. An end face is formed on the rod by cleaving or by grinding and polishing to obtain a fused fibre head which forms a fibre-optic component itself or a basic element for a great number of fibre-optic components such as splitters and couplers. |
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157 | Verfahren zum Herstellen einer Mehrkern-Glasfaser für Lichtwellenleiterzwecke | EP83101652.2 | 1981-04-01 | EP0089498B1 | 1986-08-27 | Schneider, Hartmut, Dr.; Weidinger, Friedrich |
158 | Verfahren zum Herstellen einer Mehrkern-Glasfaser für Lichtwellenleiterzwecke | EP83101652.2 | 1981-04-01 | EP0089498A1 | 1983-09-28 | Schneider, Hartmut, Dr.; Weidinger, Friedrich |
Bei einem Verfahren zum Herstellen einer Mehrkern-Glasfaser für Lichtwellenleiterzwecke wird von zwei Stäben (40, 40') ausgegangen, von denen jeder einen Glaskern (20, 30), einen Glasmantel und eine Glashülle aufweist. An jeden Stab (40, 40') wird eine achsparallele ebene Flache (400, 400') angeschliffen. Die beiden abgeplatteten Stäbe (40,40') werden mit ihren ebenen Flächen (400, 400') zusammengefügt und an beiden Enden der Stäbe werden Hilfsstäbe aus Glas angeschmolzen. Die so erhaltene Vorform wird zu einer Faser ausgezogen. |
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159 | Glasfaser für Lichtwellenleiterzwecke und Verfahren zu ihrer Herstellung | EP81102466.0 | 1981-04-01 | EP0038949A1 | 1981-11-04 | Schneider, Hartmut Dipl.-Chem. Dr.rer.nat.; Weidinger, Friedrich, Ing. grad. |
Es wird eine Glasfaser (1) für Lichtwellenteiterzwecke beschrieben, die aus einem Stück besteht und in der eine oder mehrere in Längsrichtung der Faser aufeinanderfolgende Öffnungen (11, 12, 13) ausgebildet sind. Aus einer solchen Faser (1) können Faserverzweigungen durch Durchtrennen der Faser im Bereich einer Öffnung hergestellt werden. Eine solche Faser (1) kann auch mitzwei Kernen hergestelltwerden und der Abstand der Kerne kann zwischen den Öffnungen so klein gemacht werden, daß Licht zwischen den Kernen überkoppeln kann. Es können dann aus der Faser auch optische Richtkoppler hergestellt werden. |
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160 | ビーム結合型レーザ光ファイバー引き抜き方法及びビーム結合型光ファイバー | JP2016535326 | 2014-08-21 | JP6298533B2 | 2018-03-20 | ドゥ,チェン; チェン,ウェイ; リ,シユ; ケ,イリ; モ,チ; ジャン,タオ; ルオ,ウェンヨン; ドゥ,クン; ダン,ロン |