Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7430350 | Multi-length flexible image bundle A method for manufacturing an image fiber bundle that includes the steps of aligning a plurality of image fibers into a bundle, bonding the plurality of image fibers in at least three regions to form an image fiber bundle with a useable length and at least one useab... | 09/30/2008 |
| 7403686 | Fiber optic cable splicing technique The invention is a staggered splice and method for making the same. The staggered splice is used to join two multi-fiber optic cables. Each opposing pair of optic fibers is cleaved such that they all have substantially the same combined length and provide fully oper... | 07/22/2008 |
| 7272956 | Method for manufacturing a multimode fiber pump power combiner A multimode to low-mode optical fiber is constructed by forming a plurality of multimode optical fibers into a fiber bundle. The bundle is then selectively heated and drawn to form a bi-tapered fiber bundle having a central straight portion in which the multimode fi... | 09/25/2007 |
| 7221448 | Test cell for a noble gas polarizer The invention relates to a sample cell with a glass body comprising a gas inlet and a gas outlet and at least one orifice, a plane glass window is fused into the orifice, the shape and size of the window corresponds to the shape and size of the orifice, the orifice ... | 05/22/2007 |
| 7197217 | Method of making a fiberoptic light guide A method of making a fiberoptic light guide utilizes a hollow glass cladding blackened by chemical reduction. The cladding has a predetermined lead content and is heated to an elevated temperature in an atmosphere of substantially 100% hydrogen gas in a furnace. The... | 03/27/2007 |
| 7149399 | Glass bonded fiber array and method for the fabrication thereof In accordance with the present invention a fiber optic array is provided. The array includes a substrate having a fiber support surface. The array further includes an optical fiber having a fiber portion that includes an un-jacketed, un-buffered optical core segment... | 12/12/2006 |
| 7080529 | Method for making large diameter optical waveguide having Bragg grating and being configured for reducing the bulk modulus of compressibility thereof The present invention provides a method for making a multicore large diameter optical waveguide having a cross-section of at least about 0.3 millimeters, two or more inner cores, a cladding surrounding the two or more inner cores, and one or more side holes for redu... | 07/25/2006 |
| 7043128 | Multimode optical fibers with increased bandwidth The specification describes a technique for drawing circular core multimode optical fiber using twist during draw to increase fiber bandwidth. ... | 05/09/2006 |
| 7025508 | Optical short-circuit insert and optical short-circuit plug The invention provides an optical short-circuit insert for accommodation in a plug housing, with a plug region with two mutually parallel optical fiber ends of an optical fiber portion. A curved region of the optical fiber portion, intermediate optical fiber ends, i... | 04/11/2006 |
| 7024078 | Fiber device with high nonlinearity, dispersion control and gain An optical fiber is tapered, for example, by heating it with a CO2 laser. The tapering process is controlled such that the taper transition regions have taper angles selected to minimize loss. The taper waist has a diameter selected to introduce desired d... | 04/04/2006 |
| 6959131 | Achromatic fiber-optic power splitter and related methods An achromatic power splitter is formed from multiple optical fibers. The achromatic power splitter operates single mode, which permits the power splitter to operate substantially insensitive to changes in wavelength of the input light, to changes in the polarization... | 10/25/2005 |
| 6928218 | Fiber plate, manufacturing method thereof, radiation imaging apparatus and radiation imaging system Disclosed is a technology for obtaining a large area fiber plate suited for downsizing a radiation imaging apparatus and reducing its cost and excellent of workability in the manufacturing process. A multi-fiber is manufactured by bundling and drawing a plurality of... | 08/09/2005 |
| 6879756 | Optical delay line and manufacturing method therefor An optical delay line of a configuration in which a number of components such as a circulator and an optical coupler is reduced is to be provided. To this end, the optical delay line has a configuration in which, after an optical fiber diffraction grating having a c... | 04/12/2005 |
| 6865322 | Fiber optic device with enhanced resistance to environmental conditions and method A method for producing fiber optic devices having improved intrinsic resistance to external environmental conditions and a fiber optic device made my the method are disclosed. The fabrication method produces an optic device that is treated with deuterium. The method... | 03/08/2005 |
| 6785448 | Coupling method of coupler A coupling method of a coupler includes the following steps: (1) making a pair of optical fibers with different photosensitivity fused and drawn, (2) irradiating specific portions of the pair of optical fibers by intense ultraviolet light at the same time for making... | 08/31/2004 |
| 6763685 | Fabrication of multiplexing and demultiplexing single-mode fiber optic couplers Multiplexing and demultiplexing single-mode fiber optic couplers are fabricated by aligning two single-mode fibers which have been stripped of their protective plastic jackets and cleaned so that they are held in parallel contact with each other, and then fusing the... | 07/20/2004 |
| 6741774 | Fiber optic device with enhanced resistance to environmental conditions and method A method for producing fiber optic devices having improved intrinsic resistance to external environmental conditions and a fiber optic device made my the method are disclosed. The fabrication method produces an optic device that is treated with deuterium. The method... | 05/25/2004 |
| 6718106 | Cladding-pumped optical fibre and method for making same The invention concerns an optical fiber pumped through the cladding, including: a core having an optical index n1, around the core, a first cladding having an index n2 lower than n1, and around the first cladding, a second ... | 04/06/2004 |
| 6658896 | Method of making a fiberoptic light guide A method of making a fiberoptic dental light probe having a bent distal end with a tapered tip. The method includes the step of heating just the mid-section of a vertically-disposed, solid, cylindrical fused fiberoptic rod and permitting the midsection to... | 12/09/2003 |
| 6640037 | Thin walled core band-gap waveguides Disclosed is a method of making a photonic crystal preform which provides improved properties of the photonic band-gap crystal waveguide fiber drawn therefrom. The photonic crystal preform defect is formed using materials having a particular shape or comp... | 10/28/2003 |
| 6614961 | Method of fabricating a fused-type mode-selective directional coupler A method of fabricating a fused-type directional coupler that can be made in a simple manner. The present invention is characterized in that a pair of optical fibers satisfying a particular phase match condition are previously selected to form a fused-typ... | 09/02/2003 |
| 6578388 | Grating assisted coupler devices An add/drop filter for optical wave energy incorporates a Bragg grating in a very narrow waist region defined by merged lengths of elongated optical fibers. Light is propagated into the waist region via adiabatically tapered fibers and is transformed from... | 06/17/2003 |
| 6543256 | Optical fiber coupler making apparatus made from zirconia and method In an optical fiber coupler making apparatus which makes an optical fiber coupler by thermally fusing a plurality of optical fibers together by use of a heater and then elongating thus thermally fused part, the heater comprises a heating element which is ... | 04/08/2003 |
| 6510709 | Shaping mold optical fiber guide block processes for the production thereof and optical fiber array Disclosed are a shaping mold for producing an optical fiber guide block which permits highly accurate positioning and fixing of optical fibers, an optical fiber guide block having such excellent properties, processes for the production of these, and an op... | 01/28/2003 |
| 6442317 | Holding ribbonized optical fibers Optical fibers which are disposed in parallel and at each other in a plane, are fixed in this position by pieces of tapes provided with an adhesive on their surfaces facing the fibers, so that the tape pieces are located exactly opposite each other on the... | 08/27/2002 |
| 6434976 | Method for manufacturing glass product A manufacturing method for a glass product not having a rotatively symmetric body like an optical fiber fixing member but having a fine structure as of optical fiber engagement portions, to transfer the fine structure with a high precision without creatin... | 08/20/2002 |
| 6397636 | Method of applying a precursor to an assembled fiber bundle and fusing the bundle together Optical fiber bundles having high optical throughput can be produced with relatively high yield if gaps between fibers are eliminated by application of a particle-containing glass precursor material, exemplarily fumed silica in an aqueous medium. Manufact... | 06/04/2002 |
| 6289699 | Wavelength selective optical couplers A wavelength selective optical fiber coupler having various applications in the field of optical communications is disclosed. The coupler is composed of dissimilar waveguides in close proximity. A light induced, permanent index of refraction grating is re... | 09/18/2001 |
| 6278821 | Segmented cane mach-zehnder interferometer A Mach-Zehnder interferometer for performing an optical function on a plurality of optical fibers is provided. The interferometer includes a first cane segment surrounding the optical fibers. The first cane segment forms a first optical coupling region. T... | 08/21/2001 |
| 6244323 | Method for stripping coatings from optical fibers A method and apparatus are provided for removing protective coating material from a fiber optic cable including one or more optical fibers. A stream of hot inert gas is directed onto the cable to soften the protective coating material and blow it from the... | 06/12/2001 |
| 6237370 | Apparatus for automated production, and/or packaging and/or testing of fiber optic devices including optical fiber system components and optical fibers A system for automated production of a fiber optic device includes a chamber regulating an environment and/or atmosphere within for the automated production of the fiber optic device. The system also includes a sealable input port, communicating with the ... | 05/29/2001 |
| 6123801 | Method and apparatus for stripping coatings from optical fibers A method and apparatus are provided for removing protective coating material from a fiber optic cable including one or more optical fibers. A stream of hot inert gas is directed onto the cable to soften the protective coating material and blow it from the... | 09/26/2000 |
| 6105395 | Manufacturing method for glass molded products In a method for molding glass products having a fine structure as of an optical fiber holder with a high size precision, a mold used for the molding has the fine structure in a size such that a size difference occurring when the glass product is cooled do... | 08/22/2000 |
| 6089044 | Process for making preforms for multicore optical fibers Process for making preforms for multicore optical fibers. According to this process, several elementary preforms are made, a first machining is performed on them such that a chosen geometric model will be obtained after they are assembled, a second machin... | 07/18/2000 |
| 6050110 | Method for manufacturing glass product A manufacturing method for a glass product not having a rotatively symmetric body like an optical fiber fixing member but having a fine structure as of optical fiber engagement portions, to transfer the fine structure with a high precision without creatin... | 04/18/2000 |
| 5996376 | Methods of forming optical rods including three-dimensional patterns on end faces thereof A method of patterning a plurality of optical rods includes bonding a plurality of optical rods into an array wherein each of the optical rods is aligned so that an exposed end face of each of the optical rods is oriented in a common direction. The expose... | 12/07/1999 |
| 5948202 | Method for removing a protective coating from optical fibers and making a photonic device A method and apparatus are provided for removing protective coating material from a fiber optic cable including one or more optical fibers. A stream of hot inert gas is directed onto the cable to soften the protective coating material and blow it from the... | 09/07/1999 |
| 5944867 | Method of manufacturing a multi-core optical fiber A method of manufacturing a multi-core optical fiber, the method including assembling together a plurality of substantially identical single-core optical fiber preforms (2', 2"), referred to as "single-core preforms", each of which includes a core bar (3)... | 08/31/1999 |
| 5938812 | Method for constructing a coherent imaging bundle A method for constructing a glass fiber imaging bundle includes drawing a continuous glass fiber from a dispenser. The dispenser is mounted for movement parallel to a drum having first, second, and third areas around the drum's circumference. The fiber is... | 08/17/1999 |
| 5935288 | Method for producing fused fiber bundles A method for making a fused fiber bundle by providing a bundle of optical fibers, heating the fibers by a flame extending axially along the bundle, and translating the flame axially along the fibers. Tension may be applied to the heated bundle to reduce t... | 08/10/1999 |
