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Coherent light generators February patent applications/inventions, industry category 02/11

20110044358 - High-power multi-port 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... Agent: Ipg Photonics Corporation

20110044359 - Intracavity conversion utilizing narrow band reflective soa: An external cavity laser source is provided comprising an external laser cavity, a tunable distributed Bragg reflector (DBR), a DBR tuning element, an output reflector, a semiconductor optical amplifier (SOA), a frequency-selective optical coupler/reflector, and a wavelength conversion device. The tunable DBR, the DBR tuning element, the SOA, and the... Agent: Corning Incorporated

20110044360 - Intracavity wavelength conversion solid-state laser generator: Fundamental laser light having a wavelength of 1,064 nm, for example, is generated by a solid-state laser medium. The fundamental laser light is reflected by a flat mirror and amplified again passing through a Q-switch, a solid-state laser medium, a Q-switch, a Q-switch, a solid-state laser medium, and a Q-switch.... Agent: Sughrue Mion, PLLC

20110044361 - Solid-state laser: In order to improve a solid-state laser, in particular a solid-state disc laser, comprising a resonator (40) that defines a resonator radiation field (30) and at least one solid-state disc (12) with the resonator radiation field (30) passing through it, in such a manner that the thermal lens effect can... Agent: Lipsitz & Mcallister, LLC

20110044362 - Light emitting device: A light-emitting device having a ring optical resonator and capable of laser oscillation by a novel structure realized by working out the mechanism of light emission. The light-emitting device having a ring optical resonator fabricated on a base is characterized in that the optical resonator has a core made of... Agent: Cantor Colburn LLP

20110044364 - Structure and method for achieving selective etching in (ga,al,in,b)n laser diodes: A structure and method that can be used to achieve selective etching in (Ga, Al, In, B) N laser diodes, comprising fabricating (Ga, Al, In, B) N laser diodes with one or more Al-containing etch stop layers.... Agent: Gates & Cooper LLP Howard Hughes Center

20110044363 - Surface emitting laser: A surface emitting laser includes a plurality of semiconductor layers including an active layer over a substrate, and emits laser light in a direction perpendicular to the surface of the substrate. The semiconductor layers including the active layer define a resonator that emits laser light having a first wavelength. A... Agent: Canon U.s.a. Inc. Intellectual Property Division

20110044365 - Surface-emitting laser device: A surface-emitting laser device includes: a substrate; a low refractive index layer with a refractive index nL and disposed on the substrate; a light emitting layered structure with a refractive index nH, where nH>nL, the light emitting layered structure being formed on the low refractive index layer and having first... Agent: Osha Liang L.L.P.

20110044366 - Injection seeded laser ratio loop control: In a method of controlling an injection-seeded laser, a response of the laser is sampled at a plurality of different laser current values. A threshold current and a slope efficiency of the sampled response are then estimated, and a bias current and a modulation current calculated based on the estimated... Agent: Ked & Associates, LLP

20110044369 - Silicon carrier optoelectronic packaging: An optoelectronic (OE) package or system and method for fabrication is disclosed which includes a silicon layer with wiring. The silicon layer has an optical via for allowing light to pass therethrough. An optical coupling layer is bonded to the silicon layer, and the optical coupling layer includes a plurality... Agent: Scully, Scott, Murphy & Presser, P.C.

20110044367 - 3d optoelectronic packaging: An optoelectronic (OE) package or system and method for fabrication is disclosed which includes a silicon layer with a wiring layer. The silicon layer has an optical via for allowing light to pass therethrough. An optical coupling layer is bonded to the silicon layer, and the optical coupling layer includes... Agent: Scully, Scott, Murphy & Presser, P.C.

20110044368 - Optical device: An optical device is disclosed. The optical device includes a first packaging unit and a second packaging unit. The first packaging unit includes a first lead frame and a sensor electrically coupled to the first lead frame. The second packaging unit includes an emitting die and a second lead frame.... Agent: Brian M. Mcinnis

20110038389 - Compact laser source with reduced spectral width: The invention relates to a laser source with an external cavity generating a useful laser beam (Fu), that comprises at least one laser diode DL (10) mounted in an extended optical cavity (30, 82) defined between two reflecting surfaces (92, 48) forming an optical path for a laser beam Fd... Agent: Darby & Darby P.C.

20110038390 - Multi-plate composite volume bragg gratings, systems and methods of use thereof: Variations of composite volume Bragg grating devices and methods for creating same are disclosed. Also, variations of chirped pulse amplification laser systems, and system portions, that make use of a composite volume Bragg grating device for pulse stretching and/or compression are disclosed.... Agent: Birch Stewart Kolasch & Birch

20110032957 - Compact multimode laser with rapid wavelength scanning: In accordance with the present invention, a compact laser system with nearly continuous wavelength scanning is presented. In some embodiments, the compact laser system can be scanned over a broad range. In some embodiments, the compact laser system can be scanned at high scan rates. In some embodiments, the compact... Agent: Graham Curtin, P.A.

20110032955 - Small packaged tunable laser: According to one embodiment, the present application includes a tunable laser configured in a small package. The tunable laser includes a housing with a volume formed by exterior walls. An electrical input interface is positioned at the first end of the housing and configured to receive an information-containing electrical signal.... Agent: Emcore Corporation

20110032956 - Wide temperature range (witr) operating wavelength-narrowed semiconductor laser: The present invention provides a wide temperature range (WiTR) operating wavelength-narrowed and wavelength-stabilized semiconductor laser having a wide bandwidth gain medium imbedded in a waveguide layer comprising a plurality of quantum dots or quantum wells wherein each quantum dot or quantum well has a different gain peak-wavelength that provides gain... Agent: Fulbright & Jaworski L.L.P. Attn: MnIPDocket

20110032958 - Electromagnetic energy distributions for electromagnetically induced mechanical cutting: Output optical energy pulses including relatively high energy magnitudes at the beginning of each pulse are disclosed. As a result of the relatively high energy magnitudes which lead each pulse, the leading edge of each pulse includes a relatively large slope. This slope is preferably greater than or equal to... Agent: Stout, Uxa, Buyan & Mullins LLP

20110032959 - Counting device, physical quantity sensor, counting method and physical quantity measuring method: The counting device includes: a signal counter that counts the number of half cycles of input signals during given counting periods; a signal half cycle measurement unit that measures the half cycles; a frequency distribution generator that generates a frequency distribution of the half cycles; a representative value calculator configured... Agent: Mcdermott Will & Emery LLP

20110032960 - Handheld low-level laser therapy apparatus: A laser therapy device, including: a laser diode that is adapted to produce a monochromatic laser beam; a lens that is adapted to receive the beam directly from the laser diode and exploit the natural divergence of the laser diode to form an essentially coherent monochromatic, collimated beam; wherein the... Agent: Soroker-agmon Advocate And Patent Attorneys

20110032961 - Monolithic folded f-p cavity and semiconductor laser using the same: This invention relates to a monolithic folded F-P cavity used for semiconductor laser, which is composed of a monolithic optical element. The monolithic optical element is made of the material having low propagation loss for a certain spectrum range. Light entering through an input/output coupling surface of the monolithic optical... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20110032962 - Semiconductor laser device: The invention relates to a semiconductor laser device comprising a laser bar (2), a flexible conductor support (10), a supporting body (3) of a metal or a metal alloy and a heat sink (4), which is arranged between the supporting body (3) and the laser bar (2), the laser bar... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20110032963 - Eu-containing inorganic compound, luminescent composition and luminescent body containing the same, solid laser device, and light emitting device: An Eu-containing inorganic compound has a polycrystal structure, in which Eu has been doped into a matrix garnet type compound and has formed a solid solution in the matrix garnet type compound. A doping concentration of Eu occupying at an eight-coordination site of the garnet structure falls within the range... Agent: Sughrue Mion, PLLC

20110032964 - Fabricating electronic-photonic devices having an active layer with spherical quantum dots: A method for manufacturing an electronic-photonic device. Epitaxially depositing an n-doped III-V composite semiconductor alloy buffer layer on a crystalline surface of a substrate at a first temperature. Forming an active layer on the n-doped III-V epitaxial composite semiconductor alloy buffer layer at a second temperature, the active layer including... Agent: Hitt Gaines, PC Alcatel-lucent

20110032965 - Optimization of laser bar orientation for nonpolar and semipolar (ga,al,in,b)n diode lasers: Optical gain of a nonpolar or semipolar Group-III nitride diode laser is controlled by orienting an axis of light propagation in relation to an optical polarization direction or crystallographic orientation of the diode laser. The axis of light propagation is substantially perpendicular to the mirror facets of the diode laser,... Agent: Gates & Cooper LLP Howard Hughes Center

20110032966 - Laser device: The laser device has a gain medium, first and second clads sandwiching the gain medium in the thickness direction, and a cavity structure for resonating the electromagnetic wave generated in the gain medium. The gain medium includes a plurality of active regions for generating an electromagnetic wave and at lease... Agent: Fitzpatrick Cella Harper & Scinto

20110032967 - Single longitudinal mode laser diode: A single-mode, etched facet distributed Bragg reflector laser includes an AlGaInAs/InP laser cavity, a front mirror stack with multiple Fabry-Perot elements, a rear DBR reflector, and a rear detector. The front mirror stack elements and the rear reflector elements include input and output etched facets, and the laser cavity is... Agent: Jones, Tullar & Cooper, P.C.

20110032968 - Laser arrangement and resonator element for such a laser arrangement: In a laser arrangement comprising at least one laser medium for producing a laser emission, a laser resonator having a beam path with a length of at least 20 cm and with at least one end mirror, the beam path within the laser resonator is formed at least partly by... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20110026547 - Light source device: A light source device wherein the high-temperature plasma state after the start of the lighting is maintained stably and the light emission can be maintained stably and a decrease of the lighting life cycle by means of a heating of the light emission tube is suppressed comprises a light emission... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20110026548 - Laser light source module: When a laser light source module includes a heat sink in which a solid laser element, an excitation light source, and a wavelength conversion element are arranged and a stem that supports the heat sink, wherein the heat sink is separated into three blocks, namely a first block including a... Agent: Buchanan, Ingersoll & Rooney PC

20110026549 - Electromagnetic scanner having variable coil width: Briefly, in accordance with one or more embodiments, a scanner for a scanned beam display may comprise a scanning platform having a mirror disposed thereon to reflect a beam of light impinging on the mirror, a drive coil disposed on the scanning platform to scan the reflected beam of light... Agent: Microvision, Inc.

20110026550 - Method for compensating misalignment errors in electrophotographic device: A method for compensating misalignment errors associated with a laser beam in an electrophotographic (EP) device is disclosed. A first value and a second value of a time-of-flight of the laser beam are determined. The second value of the time-of-flight is associated with a current value of SOS time and... Agent: Lexmark International, Inc. Intellectual Property Law Department

20110026551 - Laser diode ceramic cooler having circuitry for control and feedback of laser diode performance: A laser diode package includes a laser diode, a cooler, and control circuitry, such as an integrated circuit. The laser diode is used for converting electrical energy to optical energy. The cooler receives and routes a coolant from a cooling source via internal channels. The cooler includes a plurality of... Agent: Nixon Peabody, LLP

20110026552 - Multi-beam laser light-intensity control circuit and optical scanning apparatus including the same: A multi-beam laser light-intensity control circuit includes laser diodes; a light-receiving element for receiving a laser beam emitted from each laser diode and outputting a current corresponding to the light intensity of the received laser beam; and an automatic power control circuit for automatically controlling output power of each laser... Agent: Cooper & Dunham, LLP

20110026553 - Organic laser: A device is provided. The device includes a first organic light emitting device, which further comprises a first electrode, a second electrode, and an organic emissive layer disposed between the first electrode and the second electrode. The device also includes a first laser device, which further comprises an optical cavity... Agent: Townsend And Townsend And Crew, LLP

20110026554 - Nitride semiconductor laser element: A nitride semiconductor laser element includes a laminate. The laminate includes on a substrate a first conductivity type nitride semiconductor layer, an active layer, and a second conductivity type nitride semiconductor layer, and constitutes a cavity resonator. The laminate includes an element region, an exposed region and an island layer.... Agent: GlobalIPCounselors, LLP

20110026555 - Surface emitting laser, surface emitting laser array, and optical apparatus: A surface emitting laser includes a pair of multilayer mirrors disposed opposing to each other, and an active layer disposed between the multilayer mirrors. In at least one multilayer mirror of the pair of multilayer mirrors, a plurality of first pair layers are stacked, each first pair layer is formed... Agent: Canon U.s.a. Inc. Intellectual Property Division

20110026556 - Quantum cascade laser: A quantum cascade laser is configured to include a semiconductor substrate and an active layer which is provided on the substrate and has a cascade structure formed by multistage-laminating unit laminate structures 16 each including an emission layer 17 and an injection layer 18. The unit laminate structure 16 has,... Agent: Drinker Biddle & Reath (dc)

20110026557 - Method of manufacturing vertical cavity surface emitting laser and method of manufacturing laser array, vertical cavity surface emitting laser and laser array, and image forming apparatus with laser array: A method of manufacturing a vertical cavity surface emitting laser of a mesa structure, the method comprises: sequentially laminating on a substrate a plurality of semiconductor layers including a bottom reflecting mirror, an active layer, a selective oxidation layer and a top reflecting mirror, followed by forming a dielectric film... Agent: Fitzpatrick Cella Harper & Scinto

20110026558 - light emitting semiconductor device: A fiber coupled semiconductor device and a method of manufacturing of such a device are disclosed. The method provides an improved stability of optical coupling during assembly of the device, whereby a higher optical power levels and higher overall efficiency of the fiber coupled device can be achieved. The improvement... Agent: Pequignot + Myers LLC

20110026559 - Laser displays: A laser is provided, suitable for use in laser displays, having a laser cavity defined by at least first and second mirrors, a lasing material positioned in an optical path within the cavity with an associated pumping source and wherein one of the mirrors has a reflective surface that is... Agent: Pillsbury Winthrop Shaw Pittman, LLP