|
Match
|
Document |
Document Title |
|
|
7620279 |
Polyurethane light guides
A light guide ( 1 ) formed from an unclad flexible polyurethane fiber produces significant side scattering ( 2 ) over distances of up to several meters. The polyurethane fiber is in the form of a...
|
|
|
7613378 |
Optical device comprising an optical component and an optical medium with different refractive indices
The present invention consists in an optical device comprising an optical component and an optical medium with different refractive indices, said optical component being at least partly immersed in...
|
|
|
7609932 |
Slot waveguide structure
A nanometer slot waveguide includes a nanometer slot waveguide structure with vertically stacked layers. The vertically stacked layers include a substrate, a first waveguide layer defining a first...
|
|
|
7596292 |
Treatment method for optical fiber
A treatment method for an optical fiber including accommodating an optical fiber inside a treatment chamber; introducing a deuterium containing gas into the treatment chamber; and in a deuterium...
|
|
|
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,...
|
|
|
7574097 |
Polysilane composition, optical waveguide and method for fabrication thereof
A polysilane composition characterized as containing a polysilane compound and a silicone compound in the ratio (polysilane compound:silicon compound) by weight of 80:20-5:95, and also containing...
|
|
|
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...
|
|
|
7570864 |
Polymeric compositions comprising quantum dots, optical devices comprising these compositions and methods for preparing same
The present invention relates to a polymeric composition of matter. The composition includes at least one polymer matrix and plurality of quantum dots distributed therein. The polymer may be a...
|
|
|
7567742 |
Holey optical fiber with random pattern of holes and method for making same
A random array of holes is created in an optical fiber by gas generated during fiber drawing. The gas forms bubbles which are drawn into long, microscopic holes. The gas is created by a gas...
|
|
|
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...
|
|
|
7566176 |
Fiber-optic endface cleaning apparatus and method
A cleaning apparatus ( 1100 ) for cleaning an endface ( 1104 ) of an optical fiber ( 1106 ), wherein a portion of the optical fiber is contained within an interface device ( 1103 ) is provided. The...
|
|
|
7561776 |
Method of preventing hydrogen darkening of optic fibre
A method of preventing hydrogen darkening of optic fiber, which includes a step of providing a protective barrier of hydrogen free flowing gas around the optic fiber, such that the flowing gas...
|
|
|
7558456 |
Optical waveguide device
An optical waveguide device includes a lower cladding layer, a high refractive index region provided on the lower cladding layer, a pair of cores provided on the lower cladding layer on both sides...
|
|
|
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 ...
|
|
|
7546017 |
Electro-photonic modulators
Various embodiments of the present invention are directed to modulators that can be operated electronically and used to modulate electromagnetic radiation. In one embodiment of the present...
|
|
|
7541058 |
Method of making circuitized substrate with internal optical pathway
A circuitized substrate (e.g., PCB) including an internal optical pathway as part thereof such that the substrate is capable of transmitting and/or receiving both electrical and optical signals....
|
|
|
7536076 |
Optical fiber containing alkali metal oxide
Disclosed is an optical fiber having a silica-based core comprising an alkali metal oxide selected from the group consisting of K 2 O, Na 2 O, LiO 2 , Rb 2 O, Cs 2 O and mixtures thereof in an...
|
|
|
7532790 |
Method of coupling light into microresonators
A method of making a microresonator device includes the steps of providing at least a first substrate and providing a waveguide integrated on the substrate. The waveguide includes a core and a...
|
|
|
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,...
|
|
|
7526164 |
Reflective polarizers containing polymer fibers
A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least...
|
|
|
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...
|
|
|
7522794 |
Multi-layered water blocking cable armor laminate containing water swelling fabrics and method of making such
This invention discloses a multi-layered laminate armor wrap for use with a copper or fiber optic cable having at least one water absorbing fabric layer, at least one polymer layer, and at least...
|
|
|
7515809 |
Heat-resisting plastic optical fiber and manufacturing method thereof
A heat-resisting plastic optical fiber which excels in heat resistance and mass production and a manufacturing method thereof. The heat-resisting plastic optical fiber has a core which consists of...
|
|
|
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...
|
|
|
7515776 |
Temperature-controlled optical modulator
SiGe quantum wells where the well material has a lowest conduction band energy minimum at k=0 (the Γ point of the first Brillouin zone) are provided. Quantum well structures that satisfy this...
|
|
|
7512299 |
Fiber optic cable systems and methods incorporating a luminescent compound-containing layer to identify cracks
Fiber optic cable systems and methods incorporating a luminescent compound-containing layer to identify cracks. Exemplary embodiments include a fiber optic cable apparatus including a core for...
|
|
|
7509018 |
Plastic optical fiber and production method thereof
A cylindrical outer clad section is formed by melt-extrusion molding of polyvinylidene fluoride (PVDF) having a molecular structure in which the number of defect bonds of successive CF 2 units 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...
|
|
|
7499618 |
Optical element
An optical element for controlling light propagation including: transparent material; and inorganic fine particles dispersed in the transparent material, wherein the transparent material and the...
|
|
|
7493009 |
Optical fiber with tin doped core-cladding interface
The present invention concerns an optical fiber 10 comprising a substantially pure silica glass core 12 , a concentric tin-doped core/cladding interface region 14 , and a concentric...
|
|
|
7493000 |
Curable liquid resin optical fiber upjacket composition
The present invention provides a curable liquid resin composition which, when cured, exhibits excellent removability from an adjacent coating layer and is suitable for an optical fiber upjacket...
|
|
|
7492999 |
Optical fiber and optical-fiber transmission line
An optical fiber transmits at least a signal light having a wavelength of 1550 nanometers in a fundamental propagation mode. The optical fiber has, a cutoff wavelength equal to or longer than 1550...
|
|
|
7492978 |
Waveguide structure
A novel single point leaky waveguide structure and its use as an optical sensor for the detection of particles is disclosed. The waveguide structure is fabricated to increase the overlap of the...
|
|
|
7489850 |
Phosphorous and alkali doped optical fiber
Disclosed is an optical fiber having a silica-based core and a silica-based cladding, the core comprising germania, and oxides of an alkali metal and phosphorous. By appropriately selecting the...
|
|
|
7486862 |
Optical fiber and manufacturing method thereof
A core rod is inserted into a cladding pipe, moisture in a space between the core rod and the cladding pipe is removed, and an optical fiber is drawn while the space is connected to a dry-gas...
|
|
|
7480434 |
Low loss terahertz waveguides, and terahertz generation with nonlinear optical systems
A silicon based source for radiation in the 0.5-14 Terahertz regime. This new class of devices will permit continuously tunable, milli-Watt scale, continuous-wave, room temperature operation, 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...
|
|
|
7457507 |
Organometallic polymer material
An organometallic polymer material is obtained which excels in translucency, shows improved hardness after it is cured and exhibits high reliability at high temperature and high humidity. ...
|
|
|
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...
|
|
|
7454112 |
Ridge and mesa optical waveguides
Apparatus including: a substrate layer having a substantially planar top surface; an optically conductive peak located and elongated on, and spanning a first thickness measured in a direction...
|
|
|
7447406 |
Coated optical fibre unit and methods of manufacturing coated optical fibre units
An optical fiber unit having a sheath and a plurality of optical fiber elements loosely housed in the sheath. The sheath is coated with particles of an adherence reducing substance and has a radial...
|
|
|
7444055 |
Integrated optics arrangement for wavelength (De)multiplexing in a multi-grade vertical stack
The invention describes an integrated-photonics arrangement, implementable in a multi-guide vertical integration structure composed from III-V semiconductors and grown in one epitaxial growth run,...
|
|
|
7440672 |
Optical fiber for optical amplifier and process for manufacturing thereof
The present invention relates to an optical fiber for an optical amplifier and a method for manufacturing the same, which can be applied to an optical transmission system in the S-band area (4130...
|
|
|
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...
|
|
|
7428360 |
Optical waveguide sensor and method of manufacture
An optical waveguide environmental sensor is provided that is capable of detecting a target gas or liquid in the ambient environment in an advantageously short period of time. The waveguide is...
|
|
|
7424192 |
Frequency conversion with nonlinear optical polymers and high index contrast waveguides
Systems and methods for manipulating light with high index contrast waveguides clad with substances having that exhibit large nonlinear electro-optic constants χ 2 and χ 3 . Waveguides...
|
|
|
7421178 |
Left-handed materials and structures based on strong dielectric anisotropy
Disclosed herein are exemplary embodiments of materials and structures that have a negative refractive index. For example, one exemplary embodiment is a waveguide structure comprising a first...
|