Matches 301 - 350 out of 1904 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
7228029 Short pulse lasers using large mode area fibers and higher order modes  
The specification describes an optical fiber device for propagating and recompressing high energy, ultrashort pulses with minimal distortions due to nonlinearity. The device is based on propagation...
7228039 High SBS threshold optical fiber with fluorine dopant  
The optical fiber comprises: (a) a core having a refractive index profile and a centerline; and (b) a cladding layer surrounding and directly adjacent the core; wherein core includes updoping...
7228044 Composite fiber with light interference coloring function  
A novel conjugate fiber with a fine and an optical interference color-generating function, suitable for application in product fields which require aesthetic qualities, the fiber being...
7228017 Fiber optic sensing device and method of making and operating the same  
A chemical sensing device comprises a fiber core and a fiber cladding. The fiber core comprises an index-modulated grating region having an apodized profile configured for increasing shedding of...
7228038 Plastic optical fibers and processes for producing them  
A novel optical plastic fiber comprising a core region and having a center line along a longitudinal axis of the fiber is disclosed. The refractive index of the core region increases along a...
7224863 All optical regeneration  
All optical regeneration methods and systems can be realized through an exponential amplifier and a limiting amplifier, which could be two independent devices (one piece of fiber with parametric...
7221838 Optical fibers with reduced splice loss and methods for making same  
An optical fiber has a core region and a first cladding region surrounding the core. The first cladding region is doped to increase the fiber's refractive index volume. A second cladding region...
7221840 Microstructured optical fibre with cladding recess, a method of its production, and apparatus comprising same  
A microstructured optical fibre comprising an inner cladding and an outer cladding; said outer cladding comprising elongated outer cladding features extending in an axial direction of the fibre,...
7221839 Optical fiber with a lens  
An optical fiber with a lens, obtained by fusion-coupling a multi-mode optical fiber to a tip of a single-mode optical fiber or polarization maintaining optical fiber, and working the tip of the...
7221835 Ion-reduction-blackened extra-mural absorbing media adapted for inclusion in image-conducting optical fiber arrays and methods of fabricating the same  
Methods of fabricating extra-mural absorption elements adapted for incorporation in an image-conducting optical fiber array include fabricating various constituent components to be included in an...
7218823 Method and device for spectral filtering  
A method and a device in optical fiber based spectral filtering. A length of an optical fiber including at least a core region surrounded by a cladding region is coiled over its length in whole or...
7218824 Light emitting device  
The invention relates to a light emitting device consisting of one or more light sources coupled to a light guide containing diffuser particles having a refractive index close to the refractive...
7218440 Photonic bandgap fiber for generating near-diffraction-limited optical beam comprising multiple coaxial wavelengths  
A photonic bandgap assembly used in a laser device for generating a near-diffraction-limited optical beam that comprises simultaneous multiple wavelengths. The photonic bandgap fiber assembly has a...
7218820 Method and system for providing a hydrogen diffusion barrier for fiber optic cables used in hostile environments  
A fiber optic conduit for use in a hostile environment includes a hydrogen barrier shell that is disposed outwardly from an inner axial tube. The hydrogen barrier shell comprises a material that is...
7215857 Process and apparatus for elongating of an optical fibre preform  
A process and apparatus for elongating an optical fibre preform includes heating the preform so as to soften one region thereof; elongating the preform by submitting the preform to a traction;...
7215859 Direct diode contact high power fiber optic laser system  
Embodiments include a fiber optic laser system having at least one optical waveguide with a laseable core and a pump cladding disposed adjacent the lasing core. A source of electromagnetic pumping...
7212716 Process for manufacturing a micro-structured optical fibre  
An intermediate polymer preform of elongated shape for manufacturing a microstructured optical fibre is made from a mould with a tubular par containing a pattern of hole generating elements (wires,...
7209620 Dispersion optimized fiber having higher spot area  
A dispersion optimized fiber having higher spot area comprising a center core region, a cladding region, a ring core region and an outer glass region is provided, wherein the cladding is provided...
7209605 Packaged optical sensors on the side of optical fibers  
The present invention concerns an optical sensor located on a preferred azimuthal portion of the side of an optical fiber. An optical fiber having two opposite ends, a core and a cladding and at...
7206486 Optical amplification fiber, optical fiber amplifier, and optical communication system  
An optical amplification fiber for an optical fiber amplifier that amplifies a signal light using a pumping light has an absorption coefficient that satisfies conditional relations αs≧2.0 dB/m...
7206485 Photonic crystal fiber preform and photonic crystal fiber manufactured using the same  
A photonic crystal fiber (PCF) preform, from which a photonic crystal fiber is manufactured, includes a rod-shaped substrate with holes longitudinally formed therethrough in a photonic lattice...
7203385 Optimizing PMD measurements based on temperature for installed fibers  
Methods and networks are disclosed for optimizing PMD measurements on an installed span of fiber. For a method of the invention, a light system transmits light over the installed fiber. A PMD...
7203397 Polarization maintaining optical fiber coupler and method of manufacturing same  
There is provided a polarization maintaining optical fiber coupler and a method of manufacturing this polarization maintaining optical fiber coupler in which manufacturing is simplified and excess...
7203399 Optical fiber and fiber grating type filter including the same  
The present invention relates to an optical fiber having a structure which allows further improvements to be made both in terms of lower reflectance and narrower bandwidth, and to a fiber grating...
7200309 Single polarization and polarization maintaining optical fibers and system utilizing same  
An optical fiber, comprising: a central core having a maximum dimension (A) greater than a minimum dimension (B) and a substantially elliptical shape, the fiber having at least one air hole...
7197219 Chromatic dispersion compensation module  
An optical module for chromatic dispersion compensation comprises an optical fiber wound so as to present a variable radius of curvature. The fiber has an index profile such that it has, for the...
7194171 Dispersion compensating optical fiber, dispersion compensating device, optical transmission line and optical transmission system  
A dispersion compensating optical fiber comprises a minimum wavelength at which an increase amount of an actual loss value with respect to a theoretical loss value is not less than 10 mdB/km in a...
7194184 Light pipe with side-light extraction  
A light pipe with uniform side-light emission has a core comprising a polymer, and a fluoropolymer cladding on the core with a lower refractive index than the core. Light-scattering material is...
7194172 Single polarization optical fiber and system and method for producing same  
An optical fiber that includes a central core having a maximum dimension (A) greater than a minimum dimension (B), preferably with an aspect ratio greater than 1.5, the fiber having at least one...
7190864 Fiber collimating lenses and method  
A compact, inexpensive and rugged fiber collimating lens and lens array achieve large beam diameters and provide long working distances. A special single-mode fiber is inserted between a standard...
7190868 Optical transmission line  
Provided is an optical transmission line in which the suppression of SBS and the achievement of other transmission characteristics can compatibly be attained. The optical transmission line is...
7184636 Method of controllably doping a glassy optical preform with water  
A method of manufacturing a glassy optical preform is disclosed that includes providing a preform having a silica soot layer and then sintering the soot layer into a glassy layer, and water is...
7181115 Dispersion compensating fiber module, and optical fiber transmission line  
A dispersion compensating fiber module which, when connected to an optical fiber which exhibits, at a wavelength of 1.55 μm, a chromatic dispersion of between +2 and +6 ps/nm/km, a dispersion...
7181119 Optically amplifying waveguide, optical amplifier module, and optical communication system  
An optically amplifying waveguide that can have a gain having a small wave-length dependency in a wavelength range shorter than the C-band, and the like. The optical amplifier module 1 optically...
7181117 Fractional cladding for optical fibers  
An optical fiber system comprises an optical fiber having a doped core and a first cladding about the doped core. The optical fiber has a first longitudinal portion and a second longitudinal...
7181116 Fiber optic cable and process for manufacturing  
A preform for a low loss fiber optic cable and method and apparatus for fabricating such a preform is provided. The method includes providing AlCl 3 and CVD precursors and locally doping CaCl 3 ....
7175811 Micro-array evanescent wave fluorescence detection device  
Novel nanowell microarrays are disclosed in optical contact with polymer waveguides wherein evanescent field associated with lightwaves propagated in the waveguide excite target substances in the...
7173767 Focusing device  
A focusing device with a refractive index profile changing from the center of the focusing device towards its perimeter, is made of a material wherein the lateral refractive index distribution of...
7174079 Colored optical fiber and optical fiber ribbon assembly containing said fiber  
Optical fiber ribbon having an optical fiber with a radiation curable internal coating and a radiation curable colored coating disposed to surround the internal coating, and a radiation curable...
7174077 Fiber coupled laser diodes with even illumination pattern  
An optical fiber for evenly illuminating a target. The optical fiber is coupled to a laser emitting diode and receives laser light. The laser light travels through the fiber optic and exits at an...
7174073 Multiple-tapped optical delay line  
Photonic signals of high bandwidth are input into a winding of optical fiber. The winding of fiber has winds of fiber that are adjacently disposed and that form a substantially linear outer surface...
7174078 Dual core photonic crystal fibers (PCF) with special dispersion properties  
An optical fiber for transmitting light, said optical fiber having an axial direction and a cross section perpendicular to said axial direction, said optical fiber comprising: (1) a first core...
7171090 Low attenuation optical fiber  
An optical waveguide fiber comprises: (a) a core with a refractive index profile having, a radius, an alpha and a relative refractive index characterized by delta % that varies along the radius;...
7171092 Optical fiber with chromatic dispersion compensation in the S band  
The invention relates to the field of optical fibers for wavelength division multiplex transmission networks. It provides an optical fiber with chromatic dispersion compensation in the S band from...
7171087 Optical fiber cable  
An optical fiber cable has an optical fiber core wire and a tension member. The tension member is formed of a glass fiber reinforced resin linear material with glass fibers and a matrix resin, and...
7171091 Tuned cladding fiber amplifier and laser  
Single transverse mode fiber amplifier and laser operation is obtained with a multi-mode signal core surrounded by cladding containing irregular microstructuring that causes loss in all of the core...
7171089 Enhanced supercontinuum generation in highly nonlinear fibers using post-fabrication processing  
Enhancement of the supercontinuum generation performance of a highly-nonlinear optical fiber (HNLF) is accomplished by performing at least one post-processing treatment on the HNLF. Particularly,...
7171103 Coated optical fibers  
A coated optical fiber can have a primary coating and a secondary coating, where the primary coating can have good microbending resistance and is obtained by curing a composition having a high cure...
7167621 Optical fiber with suppressed stimulated Brillouin scattering and method for making such a fiber  
An optical fiber for the transmission of electromagnetic energy, where the fiber can have increased input power threshold for the onset of Stimulated Brillouin Scattering (SBS). The fiber can...
7167622 Photonic crystal fibers and medical systems including photonic crystal fibers  
In general, in one aspect, the invention features systems, including a photonic crystal fiber including a core extending along a waveguide axis and a dielectric confinement region surrounding the...
Matches 301 - 350 out of 1904 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >