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Date/App# patent app List of recent Cladding-related patents
04/17/14
20140106087
 Laser cladding with thermal tracing patent thumbnailnew patent Laser cladding with thermal tracing
A laser cladding system may be configured with a laser cladding component configured to clad a first area of an article and a thermal tracing component configured to heat a second area of the article. The second area may be proximate to the first area..
04/17/14
20140106081
 Manufacturing method of forming undertone layer surrounding optical fiber with single-layer coating patent thumbnailnew patent Manufacturing method of forming undertone layer surrounding optical fiber with single-layer coating
A manufacturing method of forming undertone layer of optical fiber with single-layer coating is provided. The optical fiber with single-layer coating includes, from the center outwards, glass core, cladding layer (outer diameter 80 um-125 um) and permanent coating (thickness 4 um-8 um).
04/17/14
20140105769
 Method for fabricating electric wire for winding of super-high heat-resistant motor pump, electric wire fabricated by the method, and motor pump having the electric wire patent thumbnailnew patent Method for fabricating electric wire for winding of super-high heat-resistant motor pump, electric wire fabricated by the method, and motor pump having the electric wire
Disclosed herein is a method for fabricating an electric wire for a winding of a super-high heat-resistant motor pump, including: coating a bare copper wire with a first heat-resistant resin layer; applying a woven fiber cladding to an outer surface of the first heat-resistant resin layer; coating an outer surface of the woven fiber cladding with a second heat-resistant resin layer; and applying an inorganic sheath to an outer surface of the second heat-resistant resin layer.. .
04/17/14
20140105556
 Surface waveguide having a tapered region and method of forming patent thumbnailnew patent Surface waveguide having a tapered region and method of forming
A method for forming a waveguide having a thin-core region, a thick-core region, and a transition region of tapered thickness between them is disclosed. The method comprises forming a lower core layer of a first material on a lower cladding, forming a thin central core layer of a second material on the first core layer, forming an upper core layer of the first material on the central core layer, and etching the upper core layer in an etchant such that it is removed from the thin-core region and its thickness monotonically changes from its as-deposited thickness to extinction across the transition region, where the central core layer protects the lower core layer from exposure to the etchant..
04/17/14
20140103355
 Semiconductor light emitting element and light emitting device patent thumbnailnew patent Semiconductor light emitting element and light emitting device
A semiconductor light emitting element includes: an n-type cladding layer containing n-type impurities (si); a light emitting layer laminated on the n-type cladding layer; and a semiconductor layer containing a p-type cladding layer containing p-type impurities (mg) and laminated on the light emitting layer. The light emitting layer has a multiple quantum well structure including first to fifth barrier layers and first to fourth well layers, and one well layer is sandwiched by two barrier layers.
04/10/14
20140098831
 Semiconductor laser device patent thumbnailSemiconductor laser device
A semiconductor laser includes a ridge section on top of a semiconductor laminated section. The ridge section is a stripe-shaped projection or ridge and serves as a constriction structure for constricting current and light.
04/03/14
20140093679
 Cladding material for construction patent thumbnailCladding material for construction
A building exterior material is made of a curable composition which has excellent water vapor permeability. The building exterior material comprises a building exterior substrate coated with a curable composition comprising an organic polymer (a) containing a silicon-containing group capable of being cross-linked by forming a siloxane bond, wherein the organic polymer (a) is a polyoxyalkylene polymer (a1) containing an oxyethylene repeating unit in a backbone skeleton, a weight of the oxyethylene repeating unit in the component (a1) being 1 to 80% by weight of the total weight of the component (a1), and/or a (meth)acrylate polymer (a2) containing an oxyethylene repeating unit at a side chain, a weight of the oxyethylene repeating unit in the component (a2) being 1 to 50% by weight of the total weight of the component (a2), and the curable composition is cured into a cured product having a thickness of 0.1 to 3.0 mm..
04/03/14
20140093205
 Step-index few-mode fiber designs for spatial multiplexing patent thumbnailStep-index few-mode fiber designs for spatial multiplexing
A few-mode optical fiber comprises a core surrounded by a cladding, having a step index profile that is structured to support propagation of a plurality of desired signal-carrying modes, while suppressing undesired modes. The core and cladding are configured such that the undesired modes have respective effective indices that are close to, or less than, the cladding index such that the undesired modes are leaky modes.
04/03/14
20140090426
 Method of manufacturing porous glass deposition body for optical fiber patent thumbnailMethod of manufacturing porous glass deposition body for optical fiber
Provided is a method of manufacturing a porous glass deposition body for optical fiber comprising depositing silica powder on a starting member being raised and rotated by using burners with different deposition positions. With a glass raw material flow rate supplied to a core deposition burner represented by f1 and a total flow rate of glass raw material supplied to a cladding deposition burner adjacent to the core deposition burner represented by f2, during an initial deposition stage occurring before gas conditions reach a stable state, glass raw material is supplied to points at the same longitudinal position of the deposition body such that a glass raw material flow rate ratio f2/f1 is no less than 0.69 and no greater than 1.03..
04/03/14
20140090326
 Aesthetic wall facade systems, devices, and methods patent thumbnailAesthetic wall facade systems, devices, and methods
A cladding for facades or walls which is made up of a plurality of panels, where adjacent panels have different curvatures, in which said cladding (1) is comprised of a plurality of convex panels (2) and a plurality of concave panels (3), which are alternately installed in a contiguous manner; in which each of the panels (2, 3) which form the plurality of convex panels (2) and concave panels (3) is installed on a first profile (4) and a second profile (5); said profiles (4, 5) are formed by a first portion (6) in a “c” shape and a second portion (7) in an inverted “c” shape, in which the first portion (6) in a “c” shape has in the outer part of its wings a first plurality of serrated teeth (8) and the second portion (7) in an inverted “c” shape has on the inside of its wings a second plurality of serrated teeth (9), which, once pushed against one another, are joined by the tongue and groove connection generated by the serrated teeth (8, 9); where the first portion (6) in a “c” shape is fastened to the wall (12) with screws and the second portion (7) is then wedged in the first portion (6) through said serrated teeth.. .
03/27/14
20140087508
Method for producing group iii nitride semiconductor light-emitting device
The present invention provides a method for producing a group iii nitride semiconductor light-emitting device wherein a p-cladding layer has a uniform mg concentration. A p-cladding layer having a superlattice structure in which algan and ingan are alternately and repeatedly deposited is formed in two stages of the former process and the latter process where the supply amount of the mg dopant gas is different.
03/27/14
20140086544
Optical fiber
An optical fiber has a core region, a cladding region and at least one spacer layer disposed between the core region and the cladding region. The core region is positively doped and has a positive refractive index with respect to the glass matrix of the optical fiber.
03/27/14
20140086526
High power laser system with multiport circulator
A high power (hp) fiber circulator is configured with a case enclosing a plurality of optical components which are arranged so as to define multiple ports. The fiber circulator further includes a plurality of launching and receiving fiber components each of which has spliced delivery and pigtailed passive fibers selectively coupling a hp input signal into and receiving a hp output signal from respective input and output ports.
03/27/14
20140086522
Optical waveguide splitter
An optical waveguide splitter with a symmetric splitting power ratio having one input port and two output ports, includes a substrate and one or more vertical waveguide layers deposited thereon or diffused thereinto, and optionally one or more cladding layers deposited upon the waveguide layer(s). The waveguide layers and optionally one or more cladding layer together and optionally with the substrate form a profile of the refractive index that supports the propagation of light in a plane substantially parallel to the substrate.
03/27/14
20140085710
Wavelength conversion element and manufacturing method thereof
A wavelength conversion element includes a core formed of a ferroelectric crystal having a periodically poled structure in which first and second domains having mutually inverted directions of spontaneous polarization are alternately aligned side by side, and a cladding covering all side surfaces of the core along a light propagation direction and having a uniform refractive index. Boundary surfaces of the first and second domains are arranged in a non-parallel manner with respect to the light propagation direction..
03/27/14
20140084421
Adhesion promoter apparatus and method
A structure comprises a substrate having a plateau region and a trench region, a reflecting layer formed over a top surface of the trench region, a first adhesion promoter layer formed over the reflecting layer, a bottom cladding layer deposited over the first adhesion promoter layer, a core layer formed over the bottom cladding layer and a top cladding layer formed over the core layer.. .
03/27/14
20140084242
Group iii nitride semiconductor light-emitting device
The present invention provides a group iii nitride semiconductor light-emitting device which exhibits improved light emission efficiency. The light-emitting layer has a mqw structure in which a plurality of layer units are repeatedly deposited, each layer unit comprising a well layer, a capping layer, and a barrier layer sequentially deposited.
03/27/14
20140084239
Non-planar semiconductor device having channel region with low band-gap cladding layer
Non-planar semiconductor devices having channel regions with low band-gap cladding layers are described. For example, a semiconductor device includes a vertical arrangement of a plurality of nanowires disposed above a substrate.
03/20/14
20140079363
Double cladding crystal fiber and manufacturing method thereof
The present invention relates to a double cladding crystal fiber and manufacturing method thereof, in which growing an yag or a sapphire into a single crystal fiber by lhpg method, placing the single crystal fiber into a glass capillary for inner cladding, placing the single crystal fiber together with the glass capillary for inner cladding into a glass capillary for outer cladding in unison, heating the glass capillary for inner cladding and outer cladding by the lhpg method to attach to the outside of the single crystal fiber, and thus growing into a double cladding crystal fiber. When the present invention is applied to high power laser, by using the cladding pumping scheme, the high power pumping laser is coupled to the inner cladding layer, so the problems of heat dissipation and the efficiency impairment due to energy transfer up-conversion of high power laser are mitigated..
03/20/14
20140078505
Optical device, method of forming an optical device, and method for determining a parameter of a fluid
According to embodiments of the present invention, an optical device is provided. The optical device includes an optical fiber comprising a core for propagation of light and a cladding surrounding the core, and at least one microchannel defined in the optical fiber extending at least partially through the cladding, wherein the at least one microchannel has a concave-shaped surface arranged to interact with an optical field of the light.
03/20/14
20140077322
Waveguide-based energy converters, and energy conversion cells using same
A layered waveguide stack radiant energy converter array having a plurality of superposed waveguides, each waveguide having a core layer having a radiant energy converter disposed therein, and two cladding layers disposed on opposing sides of the core. In some embodiments the conductive layers are electrically coupled to the converter and act as charge carriers for it, and in other wires are provided for individual converters.
03/13/14
20140073829
Methods and apparatuses for stabilizing fuel containing reactive sodium metal
A method of stabilizing a fuel containing a reactive sodium metal may include puncturing a cladding of a fuel pin enclosing the fuel containing the reactive sodium metal to form an injection passage and an extraction passage. A reaction gas may be injected into the fuel pin through the injection passage to react with the reactive sodium metal to form a stable sodium compound.
03/13/14
20140072868
Composite current collector and methods therefor
Contemplated lead acid batteries include a monolithic lead/lead alloy composite foil that is preferably formed by cladding mechanically unstressed lead and lead alloy foils. In such batteries, a light-weight non-conductive grid is placed onto the lead alloy side of the composite foil, which is most preferably pre-treated with a lead-containing adhesive that improves retention of the grid and improves retention and intimate electric contact of the positive active material..
03/13/14
20140072438
Superalloy laser cladding with surface topology energy transfer compensation
A superalloy substrate, such as a turbine blade or vane, is fabricated or repaired by laser beam welding to clad one or more layers on the substrate. Laser optical energy is transferred to the welding filler material and underlying substrate to assure filler melting and adequate substrate surface wetting for good fusion.
03/13/14
20140072268
Planar waveguide prism lens
An optical waveguide system includes a substrate, a cladding layer arranged on the substrate, a core layer arranged on the cladding layer, a lens patterned in the core material, and a prism patterned in the core material, the prism arranged adjacent to the lens.. .
03/13/14
20140072267
Planar waveguide prism lens
An optical waveguide system includes a substrate, a cladding layer arranged on the substrate, a core layer arranged on the cladding layer, and a lens-prism patterned in the core material, the lens-prism comprising a fresnel lens portion, and a fresnel prism portion.. .
03/13/14
20140071521
Fiber geometrical management for tem00 mode pulse energy scaling of fiber lasers and amplifiers
Methods and systems for managing pulse energy scaling are disclosed, including generating electromagnetic radiation; coupling the electromagnetic radiation to a fiber geometrical management system comprising: a tapered fiber comprising: an elliptical or rectangular core centrally positioned within a single or double cladding shell, wherein the core comprises a fiber material and a doped gain medium; an input face wherein the doped core comprises a major axis and a minor axis, wherein the ratio of the major to minor axis at the input face ranges from about 1 to about 100; an output face wherein the doped core comprises a major axis and a minor axis, wherein the ratio of the major to minor axis at the output face ranges from about 1 to about 100; and wherein the major (minor) axis is adiabatically or linearly tapered from the input face to the output face. Other embodiments are described and claimed..
03/13/14
20140070351
Method for manufacturing optical waveguide receiver and optical waveguide receiver
A method for manufacturing an optical waveguide receiver includes the steps of growing first and second stacked semiconductor layer sections, the second stacked semiconductor layer section including a core layer and a cladding layer; forming a first mask including first and second portions; etching the first and second stacked semiconductor layer sections by using the first mask, the first and second stacked semiconductor layer sections covered with the first portion being etched in a mesa structure, the second stacked semiconductor layer section covered with the second portion being etched in a terrace-shaped structure; removing the second portion from the first mask with the first portion left; selectively etching the cladding layer until exposing a surface of the core layer; and sequentially forming a first metal layer, an insulating film, and a second metal layer on the core layer exposed in the step of selectively etching the cladding layer.. .
03/13/14
20140069893
Automated superalloy laser cladding with 3d imaging weld path control
Superalloy components, such as service-degraded turbine blades and vanes, are clad by laser beam welding. The welding/cladding path, including cladding application profile, is determined by prior, preferably real time, non-contact 3d dimensional scanning of the component and comparison of the acquired dimensional scan data with specification dimensional data for the component.
03/13/14
20140069501
Cooling system for high performance solar concentrators
Techniques for cooling concentrating solar collector systems are provided. In one aspect, an apparatus for cooling a photovoltaic cell includes a heat exchanger having a metal plate with a bend therein that positions a first surface of the metal plate at an angle of from about 100 degrees to about 150 degrees relative to a second surface of the metal plate, and a plurality of fins attached to a side of the metal plate opposite the first surface and the second surface; a vapor chamber extending along the first surface and the second surface of the metal plate, crossing the bend; and a cladding material between the vapor chamber and the heat exchanger, wherein the cladding material is configured to thermally couple the vapor chamber to the heat exchanger.
03/13/14
20140068917
Method and apparatus for providing metal clad facade
An apparatus and method for a metal clad facade includes a thin metal cladding having at least one edge. The facade or the object with which it is associated has at least one edge around which the metal cladding edge can be wrapped.
03/06/14
20140064687
Multi-core optical fibers with single mode and multimode core elements
Multi-core optical fibers are disclosed herein. According to one embodiment, a multi-core optical fiber includes a common outer cladding formed from silica-based glass and having a cladding index of refraction ncl.
03/06/14
20140064686
Multiple lp mode fiber designs for mode division multiplexing
The specification describes modified step index and graded index (grin) fibers with low core relative delta (near 0.8%) which have desirable properties for transmission. These lower delta fibers have lower attenuation losses due to reduced rayleigh scattering, which is desirable to improve performance in multiple mode multiplexing.
03/06/14
20140064685
Optical fiber and optical communication system including the same
An optical fiber according to an embodiment of the present invention is provided with a center core, a side core, and a cladding. The center core includes a ring part where a relative index difference varies discontinuously, in its peripheral region, and when a is a radius from a core center to an outside of the ring part and c is a radius to a position where the relative index difference is maximum in the side core, an index profile is realized in a shape where c/a is in the range of 2.25 to 2.50, so as to enable setting of a dispersion value, a cable cutoff wavelength, a bending loss in the diameter of 20 mm, and an effective area in desired ranges..
03/06/14
20140064684
Optical fiber
The present invention relates to an optical fiber having a structure to enable both prevention of resin coating combustion due to leaked light, and low-loss light transmission. The optical fiber comprises a core region, and a cladding region.
03/06/14
20140064432
Particulate metal fuels used in power generation, recycling systems, and small modular reactors
A metal particulate fuel system is described. The metal fuel system may include particulate metal fuel for use in nuclear reactors.
03/06/14
20140063594
Optical fiber amplifier including rare-earth-doped cladding region
A rare earth doped optical fiber amplifier is configured to have an enlarged core region and a trench formed adjacent to the core, where at least an inner portion of the trench is also formed to include a rare earth dopant. The presence of the rare earth dopant in the inner region of the cladding minimizes transient power fluctuations within the amplifier as the number of optical signals being amplified changes.
03/06/14
20140061967
Use of recycled packaging in polymer composite products
A polymer composite and its method of manufacture using a recycled multilayer material. An example of the recycled multilayer material is comprised of a polyethylene/polyethylene terephthalate/aluminum film that may be extruded with organic filler to obtain desirable performance in wood-substitute products such as deck boards, railing, fencing, pergolas, residential cladding/siding, sheet products, and other applications..
03/06/14
20140059972
Spacer for retaining cladding element on structural building element
A spacer for retaining a cladding element on a building element in a spaced apart relationship has a constant cross-section in its longitudinal direction. The spacer is an at least substantially hollow structure having at least one external wall enclosing an interior space.
02/27/14
20140057124
Corrosion and wear-resistant claddings
In one aspect, composite articles are described herein comprising wear-resistant claddings demonstrating improved corrosion resistance. A composite article described herein, in some embodiments, comprises a metal or alloy substrate and a cladding adhered to the substrate, the cladding comprising cemented carbide particles and an alloying additive dispersed in a nickel-based alloy matrix, wherein the alloying additive comprises at least one of copper and molybdenum..
02/27/14
20140056596
Optical fiber and optical transmission system
An inexpensive low-attenuation optical fiber 1 suitable for use as an optical transmission line in an optical access network is a silica based glass optical fiber and includes a core 11 including the center axis, an optical cladding 12 surrounding the core, and a jacket 13 surrounding the optical cladding. The core contains geo2 and has a relative refractive index difference Δcore, based on the optical cladding, greater than or equal to 0.35% and less than or equal to 0.50% and has a refractive index volume v greater than or equal to 0.045 μm2 and less than or equal to 0.095 μm2.
02/27/14
20140056414
X-ray waveguide and x-ray measurement system
An x-ray waveguide having a curved structure formed of a core and two claddings that sandwich the core and are mutually opposed, wherein when a y-axis is defined using as an origin a center of a circle, which defines a curvature radius of an interface a between a cladding a present on an inner circumference side of the curved structure of the two claddings, and the core, perpendicular to a tangent at an arbitrary point s and in a direction from the origin toward the interface b, a refractive index real part of the core in the interface a at a y0 is larger than a refractive index real part of the core in the interface b at a y1, and the refractive indexes become equal or larger as the y is increased.. .
02/27/14
20140056324
Group-iii nitride semiconductor laser device, and method for fabricating group-iii nitride semiconductor laser device
A iii-nitride semiconductor laser device including: a laser structure including a support base and a semiconductor region, the support base including a hexagonal iii-nitride semiconductor and having a semipolar primary surface, and the semiconductor region being provided on the semipolar primary surface of the support base; and an electrode provided on the semiconductor region of the laser structure, the semiconductor region including a first cladding layer, a second cladding layer, and an active layer.. .
02/27/14
20140054252
Cladded fixture
The display fixture system of the subject invention comprises a framework on which a removable cover is secured. Each visible structural member of the framework is covered with a removable cover or cladding in which the vertical members are held in place by the horizontal members.
02/20/14
20140051967
Photoacoustic measurement apparatus and probe unit for use therewith, and endoscope
A photoacoustic measurement apparatus which includes a diffuser plate which diffuses laser light inputted from the upstream side of an optical system, a lens system which focuses the laser light diffused by the diffuser plate, and an optical fiber cable which includes an optical fiber having a core and cladding structure and is disposed such that the laser light focused by the lens system is inputted from one end, in which the light projection unit projects the laser light guided by the optical fiber cable as the measuring light. In a photoacoustic measurement performed by guiding the measuring light using an optical fiber, high energy measuring light can be guided while inhibiting end face damage of the optical fiber..
02/20/14
20140051966
Photoacoustic measurement apparatus and probe unit for use therewith
A photoacoustic measurement apparatus which includes a diffuser plate for diffusing laser light inputted from the upstream side of an optical system, a lens system for focusing the laser light diffused by the diffuser plate, and an optical fiber cable which includes an optical fiber having a core and cladding structure and a light energy resistant structure at an end portion on the side of the lens system, and is disposed such that the laser light focused by the lens is inputted from one end, in which the light projection unit projects the laser light guided by the optical fiber cable as the measuring light. In a photoacoustic measurement performed by guiding the measuring light using an optical fiber, high energy measuring light can be guided while inhibiting end face damage of the optical fiber..
02/20/14
20140050442
Optical coupling system for two optical waveguides
An optical coupling system for coupling a first optical waveguide having a first core surrounded by a first sheath to a second optical waveguide having a second core surrounded by a second sheath. An end face of the first core of the first optical waveguide abuts an end face of the second core of the second optical waveguide at a coupling location and the second core is flush with the first core in the axial direction, wherein, in the region of the coupling location, over at least part of a predetermined axial portion, both the second sheath of the second optical waveguide and the first sheath of the first optical waveguide together form a cladding of the optical waveguide in the predetermined portion..
02/20/14
20140050244
Superluminescent diode
A superluminescent diode has, above a substrate, a layered portion including at least a first cladding layer, a luminescent layer, and a second cladding layer in this order, and an optical waveguide having a refractive-index guiding structure is provided in the layered portion. The optical waveguide includes: a first mesa portion formed by processing the second cladding layer into the first mesa portion having a first width; and a second mesa portion formed by processing the first cladding layer, the luminescent layer, and the second cladding layer into the second mesa portion having a second width greater than the first width..
02/20/14
20140048767
Semiconductor light emitting element and light emitting device
In a semiconductor light emitting element outputting light indicating green color by using a group iii nitride semiconductor, light emission output is improved. A semiconductor light emitting element includes: an n-type cladding layer containing n-type impurities (si); a light emitting layer laminated on the n-type cladding layer; and a p-type cladding layer containing p-type impurities and laminated on the light emitting layer.
02/13/14
20140044139
Single mode propagation in fibers and rods with large leakage channels
Various embodiments include large cores fibers that can propagate few modes or a single mode while introducing loss to higher order modes. Some of these fibers are holey fibers that comprising cladding features such as air-holes.
02/13/14
20140042740
Methods and systems for cladding surfaces of components using hot wire laser welding
A system and method of joining workpieces is provided where a clad layer is deposited in between the components and a weld bead is providing such that it contacts the clad layer. The system and method provided minimizes the heat input into the components by using the clad layers to provide the joining strength between the pipe components..
02/13/14
20140042454
Semiconductor light emtting device
A semiconductor light emitting device includes a substrate, a buffer layer disposed on the substrate, the buffer layer comprising aluminum nitride, a composition grading layer disposed on the buffer layer, the composition grading layer comprising first aluminum nitride and second aluminum nitride, a capping layer disposed on the composition grading layer, and a cladding layer disposed on the capping layer. A composition of the first aluminum nitride and a composition of the second aluminum nitride change gradually in an alternating manner..
02/13/14
20140042131
Laser welding consumable
A system and method for heating a filler wire (consumable) using a laser in brazing, cladding, building up, filling, overlaying, welding, and joining applications. The filler wire includes a first surface that absorbs energy from a laser beam and a second surface separated from said first surface by a thickness t that is in a range of 0.010 inch to 0.045 inch.
02/13/14
20140042129
Method and system of controlling heating current for hot wire processes
A system and method for controlling heating current for hot-wire processes in any of brazing, cladding, building up, filling, hard-facing overlaying, welding, and joining applications is provided. The system includes a high intensity energy source configured to heat at least one workpiece to create a molten puddle.
02/06/14
20140037979
Methods for the production of clad steel products
A method is disclosed of producing a billet which can be heated and rolled or otherwise worked with conventional equipment to form a product with a steel core and a cladding of an alloy including stainless steel, nickel-chrome, nickel-copper or copper-nickel. For a product such as corrosion resistant reinforcing bar, the billet includes a solid steel core inserted in a tube of the alloy on which swaging operations are carried out, decreasing the transverse size of discrete portions of the tube.
02/06/14
20140037381
Modular, dynamically sized and shaped, industrial-liquid-containment system and methods of use
What is disclosed is a portable, modular, and dynamically sized and shaped, above-ground, industrial liquid-containment system. Typically, the system has an outer-containment perimeter and an inner-containment perimeter (a reservoir), thus providing two barriers for environmental protection.
02/06/14
20140037261
Optical fiber for chemical sensor
An optical fiber for an optical fiber sensor and a chemical sensor using the same are disclosed. The optical fiber includes a core area, and a suspended cladding area formed around the core area and having at least one cladding hole.
02/06/14
20140037256
Micromodule cables and breakout cables therefor
A breakout cable includes a polymer jacket and a plurality of micromodules enclosed within the jacket. Each micromodule has a plurality of bend resistant optical fibers and a polymer sheath comprising pvc surrounding the bend resistant optical fibers.
02/06/14
20140036948
Optical semiconductor device and method of manufacturing the same
An optical semiconductor device includes a semiconductor substrate; a lower cladding layer formed over the semiconductor substrate; a quantum well active layer formed on the lower cladding layer; a diffraction grating layer formed over the quantum well active layer and having diffraction gratings formed in a surface thereof; and an upper cladding layer formed on the diffraction gratings of the diffraction grating layer. Further, a band gap in outer regions of the quantum well active layer that are adjacent to outer end surfaces of the optical semiconductor device is greater than the band gap in an inner region of the quantum well active layer that is located between the outer regions, and a thickness of one or more layers, which include the lower cladding layer and positioned between the semiconductor substrate and the quantum well active layer, is greater than or equal to 2.3 μm..
02/06/14
20140036348
Few mode rare earth doped optical fibers for optical amplifiers, and amplifiers using such fibers
According to some embodiments a few moded optical fiber includes a glass core structured to provide light amplification at an amplification wavelength and a cladding surrounding the core. According to some embodiments the core of the few moded optical fiber includes a portion that has an average concentration of rare earth dopant which is lower by at least 30%, and preferably by at least 50%, than the average concentration of the rare earth dopant at another portion of the core that is situated further from the core center..
02/06/14
20140034624
Laser processing apparatus
A laser processing apparatus has an optical transmitting unit for guiding a laser beam to a focusing unit. The optical transmitting unit includes a focusing lens for focusing the laser beam, an optical fiber unit for inputting the focused laser beam and guiding it to the focusing unit.
02/06/14
20140034615
Method and system of edging cladding operation
A system and method for edging a deposit layer in any of cladding, building up, and hard-facing applications is provided. The system includes a high intensity heat source that heats a workpiece and creates a molten puddle.
02/06/14
20140033534
Method of making a heat exchanger with an enhance material system
The disclosure relates to a method of manufacturing a heat exchanger assembly with an enhanced material system. The enhanced material system includes refrigerant tubes extruded from a high purity aa3000 series alloy billet having about 1% by weight (wt %) mn and pre-braze treated with either a reactive zinc flux or a mixture of elemental zinc powder and a controlled atmosphere brazed (cab) flux applied by glass plasma or organic binder, such as an organic binder, fins formed from modified a aa3003 alloy having less than 0.05 wt % cu and from 1.2 to 1.8% wt % zn, and header manifolds manufactured from a aa3000 series alloy with a aa4000 series cladding having 0.9 to 1.1 wt % zn.
01/30/14
20140029906
Optical fiber and optical transmission system
An optical fiber includes a core portion and a cladding portion that is formed on an outer periphery of the core portion and has a refractive index lower than a maximum refractive index of the core portion. Characteristics at a wavelength of 1550 nm are an effective core area of a fundamental propagation mode of equal to or larger than 120 μm2, an effective core area of a first higher-order propagation mode of equal to or larger than 170 μm2, and an effective refractive index of the first higher-order propagation mode of larger than the refractive index of the cladding portion by equal to or larger than 0.0005..
01/30/14
20140029901
Optical fiber and optical transmission line
An optical fiber, including (i) an inner core having an α-power refractive index profile, (ii) an outer core having a refractive index of n1′, and (iii) a cladding having a refractive index of n2 (n1′<n2<n1), is configured such that a depth of a trench, defined by n2−n1′, is sufficiently increased.. .
01/30/14
20140029889
Sensor fiber having a multicore optical waveguide including fiber bragg gratings
A sensor fiber for the detection of changes of temperature, bending, and/or torsion includes a multicore optical waveguide with a fiber bragg grating (fbg) structure. One embodiment contains at least two fbg cores and a surrounding cladding.
01/30/14
20140027816
High mobility strained channels for fin-based transistors
Techniques are disclosed for incorporating high mobility strained channels into fin-based transistors (e.g., finfets such as double-gate, trigate, etc), wherein a stress material is cladded onto the channel area of the fin. In one example embodiment, silicon germanium (sige) is cladded onto silicon fins to provide a desired stress, although other fin and cladding materials can be used.
01/30/14
20140027809
Semiconductor light device and manufacturing method for the same
Provided is a semiconductor light device comprising a semiconductor substrate having a first conduction type; a first cladding layer having the first conduction type deposited above the semiconductor substrate; an active layer; a second cladding layer having a second conduction type; and a contact layer. The active layer includes a window portion that is disordered via diffusion of vacancies and a non-window portion having less disordering than the window portion, and the contact layer includes a first region and a second region that is below the first region and has greater affinity for hydrogen than the first region..
01/30/14
20140026510
Thermal clip system and apparatus for a building wall assembly
A thermal clip system suitable for use with a wall assembly. The clip comprises a base section and an arm section.
01/23/14
20140023103
Nitride semiconductor light-emitting device
A nitride semiconductor light-emitting device having an optical waveguide includes, in the following order, at least: a first cladding layer; an active layer; and a second cladding layer, wherein the second cladding layer includes (i) a transparent conductive layer comprising a transparent conductor and (ii) a nitride semiconductor layer comprising a nitride semiconductor, the nitride semiconductor layer being formed closer to the active layer than the transparent conductive layer.. .
01/23/14
20140022627
Optical component, optical fiber amplifier, and optical fiber ring resonator
An optical component includes a multicore optical fiber and an i/o optical fiber. The multicore optical fiber has longitudinally extending cores within a common cladding.


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Cladding topics: Optical Fiber, Magnetic Field, Ventilation, Infiltrate, Scattering, Fiber Optic, Communications, Distributed, Second Wave, Expressions, Nanoparticle, Radioactive

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