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7583878 Optical fiber, optical fiber ribbon, and optical interconnection system  
An optical fiber is made of silica-based glass, and includes a core and a cladding. The optical fiber has a mode field diameter of 5.4 micrometers or larger at a wavelength of 1300 nanometers,...
7574088 Optical fiber and optical fiber ribbon, and optical interconnection system  
An optical fiber, made of silica-based glass, comprising a core and a cladding. The optical fiber having a mode field diameter of 6.5 μm or larger at a wavelength of 1300 nm, transmitting light...
7566474 Low shrink telecommunications cable and methods for manufacturing the same  
The present disclosure relates to a telecommunications cable having a layer constructed to resist post-extrusion shrinkage. The layer includes a plurality of discrete shrinkage-reduction members...
7555183 Optical fiber ribbon core and optical fiber cable  
There are provided an optical fiber ribbon and optical fiber cable which suppress the deterioration of polarization mode dispersion and contribute to the increase of communication capacity in...
7551829 Waveguide, waveguide module, optical transmission device, and method of manufacturing waveguide  
In a waveguide 10 including a substrate 1 , a lower clad 2 , an upper clad 3 , and a core 4 , the outline of a cross section perpendicular to the light propagating direction of the core 4 ...
7547652 Vitreous compositions of the vitroceramic type, transparent to infrared  
The invention relates to vitreous compositions, in particular of the vitroceramic type, transparent to infrared, production and uses thereof. Said compositions comprise in mol. %: Ge 5-40, Ga<1,...
7526177 Fluorine-doped optical fiber  
A single mode optical transmission fiber comprises a depressed core having at least 0.41 weight percent fluorine and an index difference (|Δn 1 |) with pure silica greater than 1.5×10 −3 , a...
7526176 Optical amplifier and fabrication method thereof  
An optical amplifier including an optical waveguide layer (for example channel-shaped optical waveguide layer) including Pb 1−x La x (Zr y Ti 1−y ) 1−x/4 O 3 (PLZT: 0<x<0.3,...
7524780 Low loss optical fiber and method for making same  
A method of forming an alkali metal oxide-doped optical fiber by diffusing an alkali metal into a surface of a glass article is disclosed. The silica glass article may be in the form of a tube or a...
7515808 Thermally stabilized waveguides  
An apparatus comprising a planar optical waveguide having an optical core and optical cladding next to the optical core. The optical core or cladding includes a plurality of particles therein. Each...
7507683 Glass ceramics for laser systems  
A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and...
7502539 Rare earth doped optical fiber  
An optical fiber including: (i) a silica based, Yb doped core having a first index of refraction n 1 , said core comprising more than 1 wt % of Yb, said core having less than 5 dB/km loss at a...
7466892 Optical and optoelectronic articles  
Optical and optoelectronic articles incorporating an amorphous diamond-like film are disclosed. Specifically, the invention includes optical or optoelectronic articles containing an amorphous...
7457488 Light transmission with temperature sensitive materials  
One embodiment includes a connector for an optical pathway. The connector includes a body formed, at least in part, with a temperature sensitive material having one or more light transmission...
7440671 Optical waveguide  
Materials transparent to terahertz waves are very limited, and it is difficult to obtain the required performance by selecting the material. Further, it is also difficult to search for a novel...
7433572 Optical bypass method and architecture  
This invention pertains to optical fiber transmission networks, and is particularly relevant to transmission of high volume of data and voice traffic among different locations. In particular, the...
7429138 Optical connection method and optical transmission apparatus  
A plastic optical fiber ( 11 ) has a core ( 12 ) and a clad ( 13 ). The clad ( 13 ) is composed of an outer clad ( 14 ) and an inner clad ( 15 ). The refractive index in the core ( 12 ) gradually...
7418187 Waveguide configuration  
A waveguide configuration comprising a core, a first cladding, a second cladding, and a buffer. The core includes an index of refraction and an acoustic shear velocity. The first cladding extends...
7412142 Optical fiber with plurality of air holes and stress rods  
An optical fiber comprising: (i) a silica based passive core having a first index of refraction n 1 ; (ii) a silica based cladding surrounding the core and having a second index of refraction n 2 ,...
7409134 Control of output beam divergence in a semiconductor waveguide device  
A semiconductor laser device incorporates a beam control layer for reducing far field and beam divergence. Within the beam control layer, a physical property of the semiconductor material varies as...
7406235 Graded-index multimode fiber and manufacturing method therefor  
A graded-index multimode fiber includes a core made of silica glass, the core having a central region and an outer peripheral region, and a cladding which is provided at an outer periphery of the...
7382956 Optical fibers  
The present invention provides an optical fiber enabling signal transmission in a wider band, which is applicable to optical transmission not only in the 1.3 μm wavelength band but also in the...
7378292 Method of fabricating semiconductor optical device  
Provided is a method of fabricating a semiconductor optical device for use in a subscriber or a wavelength division multiplexing (WDM) optical communication system, in which a laser diode (LD) and...
7362939 Optical fiber for long period grating, long period grating component and manufacturing method of the same  
This invention relates to an optical fiber for long period grating (LPG), LPG components, and manufacturing method of LPG used as a mode coupler, an optical filter, etc. The optical fiber for LPG...
7362429 Opaque additive to block stray light in amorphous fluoropolymer light-guiding flowcells  
The present invention is directed to the use of a light absorbing wall material to eliminate stray light paths in light-guiding structures, such as those used for HPLC absorbance detection. More...
7349611 Photonic bandgap fibre, and use thereof  
A mircrostructured optical fiber that guides light in a core region, where the fiber has a cladding region that includes a background material and a number of cladding features or elements that are...
7340147 Optical waveguide material and optical waveguide  
The invention provides an optical waveguide material whose refractive index can be tailored without changing the ratio of Ta and Nb. An optical waveguide of this invention comprising an under-clad...
7327925 Photosensitive acrylate composition and waveguide device  
A photosensitive composition suitable for practical waveguide devices is provided. The photosensitive composition comprises at least one multifunctional acrylate prepared from a fluorinated...
7324278 Black matrix light guide screen display  
Provided is a black matrix light guide screen display. In a particular embodiment, provided are a plurality of aligned light guides, each having an input end, a midsection and a magnifying output...
7323353 Resonator for thermo optic device  
A resonator for thermo optic devices is formed in the same process steps as a waveguide and is formed in a depression of a lower cladding while the waveguide is formed on a surface of the lower...
7317847 Optical fibers, devices and methods for making same  
The invention relates to an asymmetric optical fiber that includes a core and a functional cladding that surrounds substantially half of the core along at least a portion of the fiber. The...
7315019 Arrays of optical confinements and uses thereof  
The present invention relates to optical confinements, methods of preparing and methods of using them for analyzing molecules and/or monitoring chemical reactions. The apparatus and methods...
7313308 Optical analysis of molecules  
The present invention relates to optical confinements, methods of preparing and methods of using them for analyzing molecules and/or monitoring chemical reactions. The apparatus and methods...
7302119 Polymer phase modulator  
An optical phase modulator comprising a plurality of non-polarizing waveguides having a layered stack including a core between at least one layer of cladding material, wherein the core is...
7286741 Silica optical waveguide and method of manufacturing the same  
The invention relates to a silica optical waveguide having a clad layer and a core formed from a silica material and a method of fabricating the same and provides a silica optical waveguide in...
7286740 Optical fiber, optical transmission line, optical module and optical transmission system  
The present invention relates to an optical fiber which has a structure for further increasing an FOM (=|dispersion|/loss) and which can be applied to a dispersion compensation module. The optical...
7283715 Optical waveguide forming material and method  
An optical waveguide comprising a substrate, a lower clad layer on the substrate, a core layer and an upper clad layer, at least one of the lower clad layer, the core layer and the upper clad layer...
7263267 Higher order mode dispersion compensating fiber and mode converter for higher order fiber  
A higher order mode dispersion compensating fiber includes an optical fiber and a first loss layer which is provided within the fiber and which attenuates a lower order mode propagating through the...
7260297 Displays  
The present invention describes a fluorescent dye doped polymer based optical wave-guide structure. The described polymers can be used to fabricate a range of display elements and illumination...
7242834 Dispersion-shifted fiber for optical parametric amplifier  
Provided is a dispersion-shifted fiber for an optical parametric amplifier. The dispersion-shifted fiber is a silica-based optical fiber and has a large nonlinear coefficient and a small effective...
7228022 Polymer integrated optical transceiver  
An optical transceiver comprising an optical bench including of a waveguide on a substrate, a light source, a system of transceiver module waveguides, a waveguide coupler, a fiber, and a detector.
7224882 Optical materials with selected index-of-refraction  
Photosensitive optical materials are used for establishing more versatile approaches for optical device formation. In some embodiments, unpatterned light is used to shift the index-of-refraction of...
7211444 Waveguide and assay  
A fluidic waveguide comprising a container and a fluid that fills said container, wherein said fluid has a refractive index greater than the refractive index of the wall of said container and...
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...
7200313 Method for the preparation of optical waveguide devices and optical waveguide devices  
A method for the preparation of an optical waveguide device characterized in that it comprises a first step for forming a first resin film on a substrate provided thereon with a lower clad layer; 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...
7190875 Fiber waveguide formed from chalcogenide glass and polymer  
In general, in one aspect, the disclosure features a fiber waveguide having a waveguide axis, including a core extending along the waveguide axis and a confinement region extending along the...
7184613 Phase shifting optical device with dopant barrier  
A doped barrier region included in an optical phase shifter is disclosed. In one embodiment, an apparatus according to embodiments of the present invention includes a first region of an optical...
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...
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...
Matches 1 - 50 out of 330 1 2 3 4 5 6 7 >