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Coherent light generators April category listing, related patent applications 04/12

20120099609 - 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. Additional embodiments described herein include holey rods. The rods and fibers may be used... Agent: Imra America, Inc.

20120099610 - Laser diode assembly: A laser diode assembly includes: a mode-locked laser diode device; a diffraction grating that configures an external resonator, returns primary or more order diffracted light to the mode-locked laser diode device, and outputs 0-order diffracted light outside; and an imaging section provided between the mode-locked laser diode device and the... Agent: Sony Corporation

20120099611 - External cavity tunable laser module: Provided is a wavelength tunable external cavity semiconductor laser module by a thermo-optic effect of a semiconductor optical waveguide. The wavelength tunable external cavity semiconductor laser module includes: a light source generating wideband light; a semiconductor optical waveguide having one end optically coupled to the light source; a Bragg grating... Agent: Mel

20120099612 - Bandwidth narrowing module for setting a spectral bandwidth of a laser beam: The disclosure provides a bandwidth narrowing module for setting a spectral bandwidth of a laser beam of a laser light source. The bandwidth narrowing module includes a beam expanding module for expanding a laser beam transversely with respect to a propagation direction of the laser beam and comprising a reflection... Agent: Carl Zeiss Laser Optics Gmbh

20120099613 - Long semiconductor laser cavity in a compact chip: Long semiconductor laser cavities are placed in relative short length chips through the use of total internal reflection (TIR) surfaces formed through etched facets. In one embodiment, a laser cavity is formed along the perimeter edges of a rectangular semiconductor chip by using three 45° angled TIR facets to connect... Agent:

20120099614 - Semiconductor laser device and manufacturing method thereof: A semiconductor laser device of the present invention includes: a substrate; a cladding layer of a first conductivity type formed above one of surfaces of the substrate; an active layer formed above the cladding layer of the first conductivity type; a cladding layer of a second conductivity type formed above... Agent: Panasonic Corporation

20120099615 - Laser induced thermal imaging mask, laser irradiation apparatus including the same, and method of manufacturing organic light emitting device by using the same: Provided are a laser induced thermal imaging (LITI) mask, a laser irradiation apparatus including the LITI mask, and a method of manufacturing an organic light emitting device by using the LITI mask. The LITI mask including an opening corresponding to a pixel region and an opening corresponding to an edge... Agent: Samsung Mobile Display Co., Ltd.

20120093178 - Wavelength tunable external cavity laser generating device: Provided is a wavelength tunable external cavity laser generating device. The wavelength tunable external cavity laser generating devices includes: an optical amplifier, a comb reflector, and an optical signal processor connected in series on a first substrate; and an external wavelength tunable reflector disposed on a second substrate adjacent to... Agent: Electronics And Telecommunications Research Institute

20120093179 - Intra-cavity optical parametric oscillator: An optical parametric oscillator comprising: an optical cavity; a semiconductor gain-medium located within the optical cavity, such that together they form a semiconductor laser, and a nonlinear material located within the cavity such that the nonlinear material continuously generates down-converted idler- and signal-waves in response to a pump-wave continuously generated... Agent: University Court Of The University Of St. Andrews

20120093180 - Multiple emitter vecsel: An extended cavity surface emitting laser has a first laser die with a first cavity and a first gain element and a second laser die with a second cavity and a second gain element. The first and second gain elements are in series to provide optical gain and optical feedback... Agent:

20120093181 - Laser device for production of a frequency comb free of ceo: The invention relates to a laser device, comprising a radiation source (1) that emits radiation having a spectrum in the form of a frequency comb having a plurality of equidistant spectral lines, and a difference frequency generator (5) that converts the radiation in such a manner that the spectrum of... Agent: Toptica Photonics Ag

20120093182 - Laser device with phase front regulation: A Laser device with phase front regulation, including a resonator with a beam path, a laser medium located within the resonator, and a phase front regulating unit located within the resonator; a coupling element; an uncoupling element; and phase front controller and a phase front sensor. A measuring laser beam... Agent: Institut Franco-allemand De Recherches De Saint-louis

20120093183 - Cooling module for laser, fabricating method thereof, and semiconductor laser fabricated from the module: This invention relates to semiconductor lasers, and more particularly, to a cooling module for fabricating a liquid-cooled semiconductor laser, a fabricating method, and a semiconductor laser fabricated from the module, wherein the cooling module for a laser makes use of a liquid cooling plate provided with radiating fins to cool... Agent: Xi'an Focuslight Technologies Co., Ltd.

20120093184 - Structures and methods for adjusting the wavelengths of lasers via temperature control: One embodiment of the present invention provides a system that facilitates adjusting the wavelengths of lasers via temperature control. This system includes a chip with an active face upon which active circuitry and signal pads reside. A thermal-control mechanism provides localized thermal control of two lasers mounted upon the active... Agent: Oracle International Corporation

20120093185 - Method for manufacturing semiconductor laser apparatus, semiconductor laser apparatus, and optical apparatus: This method for manufacturing a semiconductor laser apparatus includes steps of forming a first semiconductor laser device having a first electrode, forming a second semiconductor laser device having a second electrode, forming a first solder layer with a first melting point through a first barrier layer on a third electrode,... Agent: Sanyo Electric Co., Ltd.

20120093186 - Nitride-based semiconductor laser element and optical apparatus: This nitride-based semiconductor laser element includes a semiconductor element layer made of a nitride-based semiconductor having an emitting-side cavity facet and a reflecting-side cavity facet, and a facet coating film formed on the emitting-side cavity facet. The facet coating film has a first dielectric film made of aluminum nitride formed... Agent: Sanyo Electric Co., Ltd.

20120093187 - Dfb laser diode having a lateral coupling for large output power: The invention relates to a DFB laser diode having a lateral coupling, which comprises at least one semi-conductor substrate (10), at least one active layer (40) that is arranged on the semiconductor substrate, at least one ridge (70) that is arranged above the active layer (40), at least one periodic... Agent:

20120093188 - Surface emitting laser, surface emitting laser array, and optical apparatus having surface emitting laser array: There is provided a surface emitting laser allowing a direction of a far-field pattern (FFP) centroid to be inclined from a normal direction of a substrate providing the surface emitting laser, comprising: a substrate; a lower reflecting mirror, an active layer, an upper reflecting mirror stacked on the substrate; and... Agent: Canon Kabushiki Kaisha

20120093189 - Multimode vertical-cavity surface-emitting laser arrays: Various embodiments of the present invention are directed to monolithic VCSEL arrays where each VCSEL can be configured to lase at a different wavelength. In one embodiment, a monolithic surface-emitting laser array includes a reflective layer, a light-emitting layer (102), and a grating layer (112) configured with two or more... Agent:

20120093190 - Semiconductor laser device and method for producing the same: A semiconductor laser device includes a first semiconductor stack portion that includes a grating layer and an active layer provided on the grating layer. The grating layer has a first region and second region; a diffraction grating provided in the first region; a semiconductor ridge structure portion provided on the... Agent: Sumitomo Electric Industries, Ltd.

20120093191 - Metal diffraction grating with high reflection resistance to a femtosecond mode flow, system including such an grating, and method for improving the damage threshold of a metal diffraction grating: A reflection metal diffraction grating has a high diffraction efficiency for diffracting femtosecond mode laser pulses, and includes a substrate with a set of lines having a pitch Λ. The substrate is made of metal or covered with a metal layer, and the grating includes a thin film of dielectric... Agent: Horiba Jobin Yvon Sas

20120087383 - Bonded periodically poled optical nonlinear crystals: A method for designing optimized length of a nonlinear crystal (3) with a bonded structure is provided. Also provided are a method for forming a short Quasi-Phase Matching (QPM) crystal (3) sandwiched by non-poled nonlinear crystals (2, 4), and a method for designing multiple-section periodically poled nonlinear crystal with a... Agent:

20120087384 - Component temperature control: There is disclosed an electronic apparatus comprising a chip within a casing. A thermoelectric cooler has thermal connections to the chip and the casing and is configured to transport heat from the chip to the casing. A temperature measuring device is provided for determining the temperature of the chip. A... Agent:

20120087385 - Flare for battlefield illumination: An infrared flare includes at least one diode laser configured to emit radiation in a near-infrared spectrum and an optical system configured to transform the radiation output from the at least one diode laser. Each of the at least one diode lasers are coupled to a laser mount. The infrared... Agent:

20120087386 - Laser system: An apparatus/method may comprise a line narrowed pulsed lithography laser light source which may comprise: a seed pulse providing laser system which may comprise: a first pulsed seed laser producing seed pulses at a rate of X kHz; a second pulsed seed laser producing seed pulses at a rate of... Agent: Cymer, Inc.

20120087387 - Gas laser: A TE gas laser contains a gas contour with the following elements arranged in succession: a discharge gap formed by two elongated electrodes; a diffuser; a heat exchanger; a cross-flow fan; and an additional converging channel, the inlet opening of which is situated on the discharge side of the fan,... Agent:

20120087388 - Catalyst module for high repetition rate co2 lasers: An array of discrete catalyst elements is contained in a heated module external to the main laser vessel with an auxiliary gas flow loop connecting them so as to provide independent control of catalyst temperature and gas flow rate to achieve high CO+1/2O2 to CO2 recombination under high pulse repetition... Agent:

20120082175 - Large diameter optical waveguide, grating and laser: A large diameter optical waveguide, grating, and laser includes a waveguide having at least one core surrounded by a cladding, the core propagating light in substantially a few transverse spatial modes; and having an outer waveguide dimension of said waveguide being greater than about 0.3 mm. At least one Bragg... Agent:

20120082176 - Conduction cooled package laser and packaging method for forming the same: A packaging method for forming a conduction cooled package (CCP) laser is provided and includes soldering a semiconductor laser device on the first heat spreader; and then bonding the first heat spreader on the second spreader via an Al/Ni nano-laminated foil. Moreover, a CCP laser is also provided herein.... Agent: Arima Lasers Corp.

20120082177 - Laser projector and method of scanning laser beam: A laser projector for scanning a laser beam output by a multimode laser light source and displaying an image includes a laser driving unit to drive the multimode laser light source so that two-dimensional output patterns of a shape of the laser beam are different in each display frame. The... Agent:

20120082178 - Vertical cavity surface emitting laser and method for manufacturing the same: A vertical cavity surface emitting laser capable of high-speed modulation and stabilized control of polarization direction of the laser light is provided, including a resonator which is formed by stacking a semiconductor substrate, a lower mirror layer formed on the upper side of the semiconductor substrate, an active layer formed... Agent: Sae Magnetics (h.k.) Ltd.

20120082179 - Novel photonic devices based on conical refraction: An optical system (31) with an input optical source (33) for projecting an input beam along an optical axis and an optical element (37, 43) which creates a cone refracted beam (41) from the input beam (35) then reconstructs the input beam (49). The optical element may comprise a first... Agent: The University Of Dundee