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| Number | Title | Issue Date |
| 7852900 | Semiconductor device, method of manufacturing the same, and production equipment of the same A cap 25 having a piece of glass 26 formed at a laser irradiating position and covering a laser irradiating direction and an upper face of a package 24, is mounted onto the package 24 having lateral faces of a frame body 30 formed ... | 12/14/2010 |
| 7813407 | Segmented diode laser system Disclosed is a laser system that comprises a laser source adapted to emit a laser beam, wherein the laser source comprises a plurality of emitters for emitting respective beam contributions to the emitted laser beam; and first and second feedback means adapted to pr... | 10/12/2010 |
| 7778306 | Laser system The invention relates to laser system with a laser source and an articulated arm. The articulated arm has an optical arrangement for guiding a laser beam from the laser source along an optical path in the articulated arm to a target location. Within the optical path... | 08/17/2010 |
| 7756189 | Two-light flux interference exposure device, two-light flux interference exposure method, semiconductor light emitting element manufacturing method, and semiconductor light emitting element The present invention discloses a two-light flux interference exposure device comprising: a laser light source provided in a laser resonator; a single harmonic generation device provided in the laser resonator for converting laser light output by the laser light sou... | 07/13/2010 |
| 7477674 | High-gain solid-state laser A laser gain material module may include a lasing portion and a perimetral portion. The perimetral portion may be formed in a predetermined shape to substantially prevent any spontaneously emitted photons created in the lasing portion and entering the perimetral por... | 01/13/2009 |
| 7444083 | Optical fiber transmission system with a plural emitting point transmitter In an optical signal transmission system which can perform high-speed optical transmission not lower than 1 Gbps, VCSEL has light-emission points. A core diameter of an optical fiber GI-POF is set to not lower than 200 μm, and the light-emission points of VCSEL are... | 10/28/2008 |
| 7436874 | Laser device According to the present invention, a first p-side electrode 7A made of metal which is provided with regularly arranged holes 10 having a diameter smaller than a laser oscillation wavelength and a second p-side electrode 7B arranged around the p... | 10/14/2008 |
| 7388890 | Piezoelectric-tuned external cavity laser A tunable laser comprising: a foundation including a first side and an oppositely facing second side and including a hole extending from the first side to the second side; a tuning assembly including a base, a fine tuning arm and a rotational flex bearing disposed a... | 06/17/2008 |
| 7369597 | Laser output light pulse stretcher Providing a high peak power short pulse duration gas discharge laser output pulse comprises a pulse stretcher a laser output pulse optical delay initiating optic diverting a portion of the output laser pulse into an optical delay having an optical delay path and com... | 05/06/2008 |
| 7361978 | Laser diode packaging A laser diode package includes a heat sink, a laser diode, and an electrically nonconductive (i.e. insulative) substrate. The laser diode has an emitting surface and a reflective surface opposing the emitting surface. The laser diode further has first and second sid... | 04/22/2008 |
| 7354695 | Producing a substrate having high surface-area texturing A method is provided for preparing high surface-area texturing of a substrate using methods by which material from a substrate is subtracted from or added to the surface of the substrate. In one embodiment, the method is a subtractive lithographic method that involv... | 04/08/2008 |
| 7352782 | Surface emitting semiconductor laser and communication system using the same A surface emitting semiconductor laser includes a laminate of semiconductor layers emitting multimode laser light, and a block member blocking light of a specific mode among the multimode laser light emitted from the laminate. ... | 04/01/2008 |
| 7339974 | Tunable semiconductor laser A tunable semiconductor laser includes gain medium, wavelength-selective element and a laser mode matching element. The wavelength-selective element comprises a first light absorbing plate operatively coupled to the laser mode matching element and provided with an a... | 03/04/2008 |
| 7305019 | Excimer laser with electron emitters An apparatus, system, and method for an excimer laser having lasing gas and electron emitters emitting electrons upon the application of an emitting voltage is described herein. ... | 12/04/2007 |
| 7282706 | Advanced optics for rapidly patterned laser profiles in analytical spectrometry The present invention is directed to a novel arrangement of optical devices for the rapid patterning of laser profiles used for desorption and/or ionization sources in analytical mass spectrometry. Specifically, the new optical arrangement provides for a user-define... | 10/16/2007 |
| 7251264 | Distributed bragg reflector for optoelectronic device This disclosure concerns devices such as DBRs, one example of which includes at least one first mirror layers having an oxidized region extending from an edge of the DBR to an oxide termination edge that is situated greater than a first distance from the edge of the... | 07/31/2007 |
| 7231114 | Multimode fiber optical fiber transmission system with offset launch single mode long wavelength vertical cavity surface emitting laser transmitter A multimode fiber optical fiber transmission system includes an improved configuration for launching a single mode long wavelength transmission signal into existing multimode optical fiber networks. More specifically, the invention utilizes new single mode long wave... | 06/12/2007 |
| 7223504 | Crystallization mask, crystallization method, and method of manufacturing thin film transistor including crystallized semiconductor A crystallization mask for laser illumination for converting amorphous silicon into polysilicon is provided, which includes: a plurality of transmissive areas having a plurality of first slits for adjusting energy of the laser illumination passing through the mask; ... | 05/29/2007 |
| 7218661 | Line selected Ftwo chamber laser system An injection seeded modular gas discharge laser system capable of producing high quality pulsed laser beams at pulse rates of about 4,000 Hz or greater and at pulse energies of about 5 mJ or greater. Two separate discharge chambers are provided, one of which is a pa... | 05/15/2007 |
| 7197830 | Alignment quality indicator An alignment tool includes a base, a column, and a ball. The base is manufactured from a material with a high material density and includes a crosshair. The column is machined out of an optical transparent material and is attached to the base. The ball is positioned... | 04/03/2007 |
| 7193240 | Sequential lateral solidification mask with stripe-shaped portions for transmitting laser light A mask and its application in sequential lateral solidification (SLS) crystallization of amorphous silicon are provided. The mask includes a light absorptive portion for blocking a laser beam and a plurality of stripe-shaped light transmitting portions for passing t... | 03/20/2007 |
| 7170920 | Laser device A laser device capable of efficiently oscillating laser light and always obtaining a stable beam form is provided. For this purpose, in the laser device including an amplifying section (18) in which a laser medium is amplified to oscillate laser light (11 | 01/30/2007 |
| 7170919 | Diode-pumped solid-state laser gain module A laser gain device (10) holds a laser slab (60) which is pumped by pump energy from at least one diode array assembly (24). An angle at which pump energy from the diode array assembly (24) impinges the laser slab (60) is adjustabl... | 01/30/2007 |
| 7133888 | Method and programmable apparatus for quantum computing A method and apparatus for quantum computing. A computer-program source code, data, and unsubstantiated output variables are converted into a class of computable functions by a program compiler. The computable functions are encoded, and a continualization method is ... | 11/07/2006 |
| 7133427 | Phase conjugate laser and method with improved fidelity A spatial filter adapted to increase the angular spread of non-conjugated energy in a beam and suppress this energy to improve the efficiency of a phase conjugate system. In the illustrative embodiment, the filter includes first and second lenses and an aberrator to... | 11/07/2006 |
| 7099533 | Fiber optic infrared laser beam delivery system A laser beam delivery system is disclosed, which allows transmission of high-power infrared light through a hollow core photonic band gap (HC-PBG) fiber made of non-silica-based glass. In this system, the infrared beam first passes through input coupling optics whic... | 08/29/2006 |
| 7095766 | Mechanical protection for semiconductor edge-emitting ridge waveguide lasers A high-speed, directly modulated ridge waveguide laser includes: a ridge structure at a junction surface of the laser chip; and a plurality of pads only on non-active areas of the junction surface, where the plurality of pads protrude beyond an edge of the ridge str... | 08/22/2006 |
| 7092425 | VCSEL device with improved modal properties Using lateral physical modulation, the optical properties of VCSELs can be stabilized and controlled by spatially varying the characteristics of the device material. This results in stabilization of the linewidth, the numerical aperture, the near and far field, as a... | 08/15/2006 |
| 7088758 | Relax gas discharge laser lithography light source An apparatus and method are disclosed for operating a narrow band short pulse duration gas discharge laser output light pulse beam producing system, producing a beam comprising laser output light pulses at a selected pulse repetition rate, which may comprise: a disp... | 08/08/2006 |
| 7085298 | Tunnel junction utilizing GaPSb, AlGaPSb A vertical cavity surface emitting laser (VCSEL) includes a substrate; a first mirror stack over the substrate; an active region having a plurality of quantum wells over the first mirror stack; a tunnel junction over the active region, a p-layer of the tunnel juncti... | 08/01/2006 |
| 7078323 | Digital light valve semiconductor processing A system and method are provided for crystallizing a semiconductor film using a digital light valve. The method comprises: enabling pixel elements from an array of selectable pixel elements; in response to enabling the pixel elements, gating a light; sequentially ex... | 07/18/2006 |
| 7075965 | Wavelength conversion laser apparatus The present invention is a wavelength conversion laser apparatus for converting wavelength by utilizing a nonlinear optical crystal and capable of safely using it over a long time. For this end, the fundamental wave laser light emitted from the pumping chamber unit ... | 07/11/2006 |
| 7065107 | Spectral beam combination of broad-stripe laser diodes A method and apparatus for improving the beam quality of the emissions from a multimode gain medium such as a broad-stripe laser through the use of SBC techniques is provided. In order to achieve the desired beam quality without a significant reduction in output pow... | 06/20/2006 |
| 7061947 | Partially mirrored beam tap for wavelength lockers A partially mirrored beam tap for use in wavelength and power monitoring, wherein the partially mirrored beam tap splits off at least two beams from an elliptical Gaussian output beam, wherein a first split-off beam is transmitted to an etalon and one or more first ... | 06/13/2006 |
| 7060515 | Method of manufacturing a laser diode package A laser diode package includes a heat sink, a laser diode, and an electrically nonconductive (i.e. insulative) substrate. The laser diode has an emitting surface and a reflective surface opposing the emitting surface. The laser diode further has first and second sid... | 06/13/2006 |
| 7046715 | Method for suppressing energy spikes of a partially-coherent beam using triangular end-regions Accordingly, a method of suppressing energy spikes is provided comprising projecting a laser beam through a mask having a slit pattern comprising a corner region with edges, and a blocking feature with the corner region to reduce energy spikes projected on a substra... | 05/16/2006 |
| 7042922 | Method for calibrating photonic crossconnect device A method for calibrating a preferred disposition for a moveable first mirror of an optical switch core of a photonic crossconnect device relative to a second mirror thereof, the method comprising the steps of determining approximate geometric coordinates of the firs... | 05/09/2006 |
| 7039089 | Interchangeable horizontally and vertically laser suitable for use in small spaces A laser transmitter adapted for use in small spaces such as pipes and sewers includes a housing having two exit windows positioned in generally orthogonal planes. The laser transmitter includes a leveling mechanism that is capable of directing a collimated beam thro... | 05/02/2006 |
| 7023551 | Method, system and computer program product for assembling an optical module A method, system and computer program product for assembling an optical module incorporates a far field pattern (FFP) optical measurement system and optionally a near field pattern (NFP) optical measurement system to obtain information about the axis and/or the dive... | 04/04/2006 |
| 7023891 | Semiconductor optical device A semiconductor optical device which has a ridge structure includes a waveguide area between paired mesa trenches; first and second mount areas disposed outside the mesa trenches; a first spacer layer disposed in a first mount area and a second spacer layer disposed... | 04/04/2006 |
