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| Number | Title | Issue Date |
| 7066658 | Method of securing an optical fibre to an electronic package An optical fibre is secured to an electronic package (10) by, firstly, providing in a wall (14) of the package (10) an electrically conductive tube (12), an inductance arrangement (16–22) in magnetically co-operational relation t... | 06/27/2006 |
| 6600863 | Method for fabricating alloy-coated optical fiber An alloy-coated optical fiber and a fabricating method. In the alloy-coated optical fiber, a core is formed of a light transmitting material, a clad surrounds the outer circumferential surface of the core, and an indium-tin-silver coating layer is formed ... | 07/29/2003 |
| 6588236 | Method of processing a silica glass fiber by irradiating with UV light and annealing A processing method of a silica glass fiber, which is applicable to a long fiber, to improve its UV resistance by UV irradiation and heat treatment. Initially, a heating furnace 1 is positioned such that the left end of the silica glass fiber is within th... | 07/08/2003 |
| 6550282 | Method and apparatus for manufacturing an optical fiber from a preform A method for manufacturing an optical fiber (100) having low PMD, comprises the steps of: a) heating at least one end portion (3a) of a preform (3); b) drawing an optical fiber (100) from a free end of said heated end portion (3a) along a fiber drawing axis (I... | 04/22/2003 |
| 6201917 | Preform including a barrier layer preventing hydrogen from diffusing into optical fiber manufactured from said perform, and a method of preparing such a preform An optical fiber preform comprising a core of radius R, and a sheath comprising cladding and outer sheath, wherein the outer sheath comprises an inner zone, and a peripheral zone made of silica doped with alumina and of thickness lying in the range 0.08 R... | 03/13/2001 |
| 6029476 | Method and apparatus for manufacturing an optical fiber provided with a hermetic coating A method and apparatus for manufacturing optical fibers provided with hermetic coatings, wherein the bare fiber made from a heated preform advances through a stream of reactive gaseous medium which flows at a constant speed in the direction of advance of ... | 02/29/2000 |
| 5944865 | Apparatus for fabricating an optical fiber coated with metal and method therefor An apparatus for fabricating an optical fiber coated with metal, constructed with a crucible for melting the optical fiber preform to draw an uncoated optical fiber, a diameter measuring device for measuring the diameter of the uncoated optical fiber to r... | 08/31/1999 |
| 5938811 | Method for altering the temperature dependence of optical waveguides devices In accordance with the invention glass waveguide devices are provided with enhanced temperature stability by incorporating within appropriate lengths of the waveguides a transparent compensating material having a refractive index variation with temperatur... | 08/17/1999 |
| 5891249 | Apparatus for the preparation of metal matrix fiber composites A method for producing continuous and discontinuous fiber metal matrix composites (CFMMC). The method uses aerosolization of finely divided metal powders in a controlled atmosphere which prevents explosions to coat the fibers and then the metal coated fib... | 04/06/1999 |
| 5858053 | Method for coating an optical fiber with transducer in a bath of coating material An improved method of coating an optical fiber is disclosed. A transducer is submerged in a container of liquid coating material and activated so that it causes the formation of a wave of coating material within the container. The optical fiber is then dr... | 01/12/1999 |
| 5658364 | Method of making fiber optic-to-metal connection seals The invention is a method of making fiber optic-to-metal connection seals. The optical fiber and a preform made of a sealing material are inserted into a metal cup. The metal is then heated to a temperature which melts the sealing material to form a herme... | 08/19/1997 |
| 4948406 | Apparatus and process for forming an optical fibre covered by a metallic sleeve The optical fibre to be protected is dipped into a bath of molten metal which solidifies on contact with the fibre and forms the desired sleeve. The fibre passses through dies immersed into the bath and of which the spacing is adjustable so as to vary the... | 08/14/1990 |
| 4892388 | Method for producing reflective taps in optical fibers and applications thereof A method for producing reflectors in a continuous length of optical fiber is disclosed. The present process includes the steps of preparing the ends of two or more optical fibers, placing one or more of these fibers in a vacuum system and applying a metal... | 01/09/1990 |
| 4824455 | Polarization preserving optical fiber and method of manufacturing An improved polarization preserving birefringent fiber optic member is provided having cross-sectional circular cladding and core members of soft glasses. A metallic coating of an approximately circular configuration, that is offset from the axis of the c... | 04/25/1989 |
| 4812150 | Metallic-glass coated optical fibres An optical fibre is provided with a coating by coating the fibre (1) with a coating material (4) on-line with the fibre drawing process (2) and employing a laser beam (6) to locally heat the coating material whereby to change its physical or chemical prop... | 03/14/1989 |
| 4715875 | Manufacture of optical fibre preforms Manufacture of optical fibre preforms. A material such as Si, Ge and B2 O3 is evaporated in vacuo into a silica tube and is made to condense therein as a viscous liquid which is then oxidized. The operation may be repeated several ti... | 12/29/1987 |
| 4600422 | Method for making and coating optical fibres Infrared optical fibres are provided with hermetic coatings (6) by decomposition or reaction of volatile compounds of the coating material at the surface of the fibre. Materials having melting points greater than the fibre's glass transition temperatures ... | 07/15/1986 |
| 4597787 | Manufacture of optical fibre preforms Manufacture of optical fibre preforms. A material such as Si, Ge and B2 O3 is evaporated in vacuo into a silica tube and is made to condense therein as a viscous liquid which is then oxidized. The operation may be repeated several ti... | 07/01/1986 |
| 4575463 | Method of applying hermetic coating on optical fiber An optical fiber which has just been drawn from an optical preform is provided with two external hermetic coatings. The primary coating is a metallic or dielectric coating provided by, for example, using a heterogeneous nucleation thermochemical depositio... | 03/11/1986 |
| 4485122 | Method of an arrangement for coating optical fibers with metallic materials A metallic material coating is applied to the external surface of a freshly drawn optical fiber while such surface is still pristine by passing the optical fiber through a body of liquid metal-organic material which forms a layer on the fiber, and by subs... | 11/27/1984 |
| 4432606 | Optical fiber insensitive to temperature variations Metal-coated optical fibers are often employed in high temperature optical communications applications. However, such optical fibers have been found to evidence a substantial decrease in optical transmission as a function of increased temperature. Optical... | 02/21/1984 |
| 4418984 | Multiply coated metallic clad fiber optical waveguide There is disclosed a metallic clad glass fiber optical waveguide suitable for use as a high-strength optical transmission line, e.g., for high capacity communications systems and for sensors operating at high temperature. At least two metallic claddings o... | 12/06/1983 |
| 4407561 | Metallic clad fiber optical waveguide There is disclosed a metallic clad glass fiber optical waveguide suitable for use as a high-strength optical transmission line, e.g., for high capacity communications systems and for sensors operating at high temperature. A metallic coating or jacket is f... | 10/04/1983 |
| 4381141 | Infrared optical fiber and method for manufacture thereof A preform is prepared to comprise a step index structure consisting of a core and a clad both made of metal halogenides or arsenic-selenium glass sparingly capable of transmitting infrared light of long wavelength and a layer of lubricant applied to the o... | 04/26/1983 |
| 4173393 | Optical waveguide with protective coating An optical waveguide includes a core of high purity fused silica, a cladding of high purity fused silica and a protective coating of metallic glass. The protective coating is applied as a liquid which contracts more than the glass after it solidifies to p... | 11/06/1979 |
| 4087266 | Optical fibre manufacture A method is described of increasing the proportion of chemical vapor reaction deposited material to substrate material in a silica optical fiber preform. The deposited material is deposited upon the bore of a silica substrate tube whose bore is then colla... | 05/02/1978 |
| 4067709 | Optical transmission line A flexible hollow glass tube of optical fiber dimensions provides a central light passage and serves as an optical transmission line characterized by substantially less absorption and distortion of signals superposed on transmitted light waves. A metal ro... | 01/10/1978 |
| 3971645 | Method of making compound-glass optical waveguides fabricated by a metal evaporation technique Glass fiber optical-waveguides consisting of a metal oxide-silicate glass core and silica cladding are produced according to the invention by means of a metal evaporation technique. An evacuated fused silica tube containing an evaporated metal deposit is ... | 07/27/1976 |
