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| Number | Title | Issue Date |
| 8179933 | Systems and methods for visible light source evaluation Particular embodiments of the present disclosure relate systems and methods for evaluating visible light sources. According to one embodiment, a method of evaluating a visible light source including a semiconductor laser having a gain section, a wavelength selective... | 05/15/2012 |
| 8135254 | Microstructured transmission optical fiber A microstructured optical fiber for transmitting optical signals comprised of light, the optical fiber comprising: a core region disposed about a longitudinal centerline and having a refractive index profile with a first refractive... | 03/13/2012 |
| 8130433 | Spinning optics for speckle mitigation in laser projection systems Particular embodiments relate generally to systems and methods of reducing the appearance of speckle in laser projection images. According to one embodiment, a laser projection system includes a light source, scanning optics and spinning optics. The light source inc... | 03/06/2012 |
| 8094355 | Laser projection system with a spinning polygon for speckle mitigation A laser projection system comprises: (i) a coherent light source including at least one laser configured to emit an output beam carrying signal data; (ii) a scanning optics, the scanning optics comprising at least one scanning reflector, the scanning reflector posit... | 01/10/2012 |
| 8094300 | In-situ contaminant removal in optical packages A method of controlling an optical package is provided where the average power density of the output beam of the semiconductor laser on the input facet of the wavelength conversion device in a relatively high power wavelength conversion mode exceeds the power densit... | 01/10/2012 |
| 8077367 | Speckle mitigation in laser projection systems Particular embodiments relate generally to laser projection systems and, more particularly, to systems and methods of reducing the appearance of speckle in laser projection images. According to one embodiment, a laser projection system comprising a light source and ... | 12/13/2011 |
| 8073021 | Methods for obtaining stabilized output beams from frequency converted light sources and frequency converted light sources utilizing the same A method for operating a frequency converted light source includes sweeping a wavelength control signal of a semiconductor laser over an initial signal range and measuring an optical power of an output beam emitted from a wavelength conversion device coupled to the ... | 12/06/2011 |
| 8053139 | SOFC thermal management via direct injection The present invention provides structures and methods that utilize fuel reformation to assist in thermal management of a channel-less SOFC at the device cell and/or stack assembly level. At the device level, passive and/or active control of unreformed fuel, or a mix... | 11/08/2011 |
| 8036508 | Methods for passively aligning opto-electronic component assemblies on substrates A method for aligning an opto-electronic component assembly (OECA) on a substrate includes positioning a substrate on an assembly surface and positioning an OECA on the substrate such that a first OECA alignment face projects from a first substrate alignment face. T... | 10/11/2011 |
| 8011208 | Reduction of optical fiber cane/preform deformation in consolidation According to an embodiment of the invention a method of manufacturing optical fiber cane comprises the steps of: (i) providing a core rod manufactured of relatively low viscosity glass; (ii) depositing SiO2 based soot around the core rod to form a soot pr... | 09/06/2011 |
| 8000576 | Double-clad optical fibers and devices with double-clad optical fibers A double-clad optical fiber includes a core, an inner cladding and an outer cladding of silica-based glass. The core may have a radius of less than about 5 μm, a first index of refraction n1 and does not contain any active rare-earth dopants. The inner c... | 08/16/2011 |
| 8000575 | Polarization maintaining and single polarization optical fiber An optical fiber, comprising: (i) a core, (ii) a cladding surrounding the core, (iii) at least one stress member adjacent the fiber core and situated within the cladding, said stress member comprising silica co-doped with B and F. ... | 08/16/2011 |
| 7999930 | Detection system and optical fiber for use in such system A detection system comprising: (i) an optical fiber, the optical fiber having (a) a length L≧1 km; (b) beat length between 10 m and 100 m; and (c) beat length uniformity over any distance of at least 100 m within the length L is characterized by standard deviation... | 08/16/2011 |
| 7989374 | Non-contaminating, electro-chemically stable glass frit sealing materials and seals and devices using such sealing materials A solid oxide fuel cell device includes layers of solid electrolyte, cathode plates, anode plates, a frame and a non-contaminating, electrochemically stable sealing material. The sealing material may have a CTE of about 95×10−7/° C. to about 115×10 | 08/02/2011 |
| 7965944 | System for passive scrambling and unscrambling of an optical signal A system for passively scrambling and unscrambling a, pulse optical signal transmitted through a multi-mode optical fiber is provided. The system includes a scrambling unit connected between a signal receiving end of said transmission fiber and an optical signal sou... | 06/21/2011 |
| 7964314 | Segmented solid oxide fuel cell stack and methods for operation and use thereof Disclosed is a segmented modular solid oxide fuel cell device having a plurality of independently controllable electrical power producing segments disposed within a common thermal environment. Also disclosed are methods for selectively operating one or more segments... | 06/21/2011 |
| 7963124 | Fiber cure with extended irradiators A method for producing an optical fiber that includes a method for producing an optical fiber, said method comprising: (i) drawing a bare optical fiber from a preform along a first pathway at a rate of at least 10 m/sec; (ii) contacting said bare optical fiber with ... | 06/21/2011 |
| 7951281 | Methods for diminishing or preventing the deposition of a metal oxide on an electrode surface Described herein are methods for diminishing or preventing in electrochemical operating systems the deposition of a metal oxide on an electrode surface. The metal oxide is formed by electrochemically assisted reduction of volatile metal oxides formed from a metallic... | 05/31/2011 |
| 7949211 | Modular active board subassemblies and printed wiring boards comprising the same A modular active board subassembly for coupling a waveguide array to an electrical component on a printed wiring board may include a substrate board with a sidewall extending around at least a portion of an attachment surface of the substrate board and forming a com... | 05/24/2011 |
| 7947945 | Fiber optic sensing system, method of using such and sensor fiber An embodiment of a sensor fiber includes: at least two fiber sections with a plurality of holes; and at least one other fiber section situated between said at least two fiber sections, wherein the at least one other fiber sections being without the plurality of hole... | 05/24/2011 |
| 7947213 | Method of making a textured electrolyte sheet for a fuel cell device According to one aspect of the present invention the fuel cell device includes an electrolyte sheet. The electrolyte sheet has a substantially non-porous body of a varied thickness, a relatively smooth surface and a more textured surface with multiple indentations t... | 05/24/2011 |
| 7929818 | Large effective area fiber with graded index GE-free core According to some embodiments an optical waveguide fiber comprises (i) a Ge free core having an effective area of 100 μm2to 150 μm2, at 1550 nm wavelength, said core comprising: a) a central core region extending radially outwardly from a cen... | 04/19/2011 |
| 7903918 | Large numerical aperture bend resistant multimode optical fiber Bend resistant optical fibers which are multi-moded at 1300 nm include a core, an inner cladding, a low index ring and an outer cladding. The core has a graded index of refraction with a core alpha profile where 1.9≦αC≦2.1, a maximum relative refract... | 03/08/2011 |
| 7900481 | Method of making an optical fiber According to one embodiment a method of making optical fibers comprises: (i) manufacturing a core cane; (ii) situating a plurality of microstructures selected from rods, air filled tubes and glass filed tubes and placing said microstructures adjacent to the core can... | 03/08/2011 |
| 7899294 | Double-clad optical fibers and devices with double-clad optical fibers A double-clad optical fiber includes a core, an inner cladding and an outer cladding of silica-based glass. The core may have a radius of less than about 5 μm, a first index of refraction n1 and does not contain any active rare-earth dopants. The inner c... | 03/01/2011 |
| 7898752 | Optical package comprising an adjustable lens component coupled to a multi-directional lens flexure An optical package is provided comprising a lens system, the lens system comprising an adjustable lens component, a plurality of magnetic elements, and a multi-directional lens flexure. The adjustable lens component is mechanically coupled to a lens mounting portion... | 03/01/2011 |
| 7861556 | Method and apparatus for impulsively spinning optical fiber A method and apparatus for impulsively spinning optical fiber while the optical fiber is being drawn is disclosed herein. ... | 01/04/2011 |
| 7853110 | Large effective area optical fiber An optical fiber comprising: (i) a glass core (20) extending from a centerline and including a central core region (22) with an alpha value of less than 2, a first annular core region (24)surrounding the central core region (22), and a se... | 12/14/2010 |
| 7853109 | Single mode optical fiber A single mode optical fiber comprises: (i) a segmented core having at least three segments and (ii) a silica based clad layer surrounding and in contact with the core, the clad layer having a refractive index nc. The first segment has a Δmax %... | 12/14/2010 |
| 7820332 | Electrolyte sheet with regions of different compositions and fuel cell device including such An electrolyte sheet comprising two major surfaces, the electrolyte sheet including regions of differing compositions, so that (i) at least one of these regions has at least 1.5 times higher ionic conductivity than at least one other region; (ii) wherein the at leas... | 10/26/2010 |
| 7813611 | Aluminum doped optical fiber According to one example of the invention an optical fiber comprises: (i) a core comprising of Al doped silica having a first index of refraction n1; (ii) at least one silica based cladding surrounding the core and having a second index of refraction n | 10/12/2010 |
| 7803494 | Stress reducing mounting for electrolyte sheet assembly in a solid oxide fuel cell A stress reducing mounting for an electrolyte sheet assembly in a solid electrolyte fuel cell is provided that includes a support frame or manifold having an inner edge portion that supports a peripheral portion of the sheet assembly, a seal that affixes an edge of ... | 09/28/2010 |
| 7781120 | Thermo-mechanical robust solid oxide fuel cell device assembly A solid oxide fuel cell device assembly comprising: (i) at least one solid oxide fuel cell device including one electrolyte sheet sandwiched between at least one pair of electrodes; and (ii) a non-steel frame fixedly attached to said at least one fuel cell device wi... | 08/24/2010 |
| 7769263 | Optical fiber and a method for making such An optical fiber comprising: (i) a core; (ii) a cladding surrounding the core; wherein the cladding comprises a cladding ring that: (a) has a width W equal to or less than 10 microns; (b) includes at least 50 airlines, each airline having a maximum diameter or a max... | 08/03/2010 |
| 7729397 | Multi-variable control methods for optical packages According to one embodiment of the present invention, an optical package comprises one or more semiconductor lasers coupled to a wavelength conversion device with adaptive optics. The optical package also comprises a package controller programmed to operate the semi... | 06/01/2010 |
| 7722705 | Activated carbon honeycomb catalyst beds and methods for the use thereof Disclosed herein, without limitation, are activated carbon honeycomb catalyst beds and systems for removing mercury and other toxic metals from a process stream, i.e, from flue gas of a coal combustion system. The activated carbon honeycomb can for example remove gr... | 05/25/2010 |
| 7697809 | Polarization maintaining and single polarization optical fiber An optical fiber, comprising: (i) a core having a core center and a radius or a width a, (ii) a cladding surrounding the core, and (iii) at least one stress member situated proximate to the fiber core within the cladding, said stress member comprising silica co-dope... | 04/13/2010 |
| 7697197 | Devices and method for Raman amplification and dispersion compensation The present invention provides devices and methods for Raman amplification and dispersion compensation. According to one embodiment of the present invention, a dispersion compensating device includes a dispersion compensating fiber having a dispersion more negative ... | 04/13/2010 |
| 7689085 | Large effective area fiber with GE-free core An optical waveguide fiber comprising: (i) a Ge free core having an effective area of 90 μm2 to 160 μm2, at a 1550 nm wavelength, and α value 12≦α≦25, said core comprising: (a) a central core region extending radially outw... | 03/30/2010 |
| 7689084 | Optical fiber and a method of making According to one example of the invention an optical fiber comprises: (i) a silica based core, said core having a core diameter greater than 80 μm and a numerical aperture NA≧0.24; and (ii) a silica based cladding in contact with and surrounding the core and havi... | 03/30/2010 |
