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| Application No. | Application Title | Issue Date |
| 20110222574 | TWO-DIMENSIONAL WAVELENGTH-BEAM-COMBINING OF LASERS USING FIRST-ORDER GRATING STACK A method and apparatus for two-dimensional wavelength beam combining of laser sources. In one example, an external cavity multi-wavelength laser includes an array of laser emitters each producing an optical beam having a specified wavelength, a grating stack comprising ... | 09/15/2011 |
| 20100150201 | LASER SYSTEM A laser system including an optical cable jumper with input and output terminals, and a laser gun, wherein the optical jumper transmits a laser beam from a bundle-type optical cable connected to an input terminal thereof to a single-type optical cable connected to an ou... | 06/17/2010 |
| 20100074296 | SOLID STATE LASER AND WAVELENGTH CONVERSION LASER Two convex lenses (61, 62), each of which has a focal length “f”, and a 90 degree polarization rotator (5) are interposed between solid-state laser elements (21, 22) of a symmetrical resonator having the two solid-state laser elements (21, 22... | 03/25/2010 |
| 20100040094 | Optical systems for laser arrays Surface emitting laser arrays with intra-cavity harmonic generation are coupled to an optical system that extracts harmonic light in both directions from an intra-cavity nonlinear optical material in such a way that the focusing properties of the light beams are matched... | 02/18/2010 |
| 20090252192 | REDUCED FEEDBACK OPTICAL TRANSMITTER A device including a laser with reduced feedback.... | 10/08/2009 |
| 20090245295 | Resonator cavity configuration and method A resonator cavity (10A) and method are provided. The resonator cavity (10A) includes at least one gain medium (16) and end reflectors (12, 14) which define together longitudinal modes of light in the cavity, and further includes an intra-cav... | 10/01/2009 |
| 20090190623 | EXTERNAL-CAVITY OPTICALLY-PUMPED SEMICONDUCTOR-LASER WITH A RESONATOR STOP An optically pumped semiconductor-laser (OPS-laser) resonator includes an arrangement for delivering optical pump radiation on an OPS-chip to cause fundamental radiation to circulate in the resonator. The resonator includes second and third-harmonic generating crystals ... | 07/30/2009 |
| 20090180510 | GUIDING A BEAM FROM AN UNSTABLE LASER RESONATOR A gas laser includes an unstable laser resonator disposed in a laser housing, and a beam guide configured to guide a laser beam decoupled from the laser resonator out of the laser housing. The laser beam is coupled into the beam guide, and the beam guide is an optical f... | 07/16/2009 |
| 20090154518 | LASER BEAM TRANSFORMER AND PROJECTOR An original laser-radiation beam having a symmetrical M2 but poor beam quality is sliced in one transverse axis, by a fanned-out stack of parallel transparent plates, into a plurality of beam slices. The beam-slices are also spread by the stack of plates in a... | 06/18/2009 |
| 20090116518 | Multiplexing of optical beams using reversed laser scanning A high efficiency, low cost, nondispersive optical multiplexing arrangement for optical beams, used a technique denominated “Reverse Laser Scanning.” In the Reverse Laser Scanning operation, different laser beams angularly meet on the rotational axis of a galvanomet... | 05/07/2009 |
| 20090110020 | LIGHT EMITTING SYSTEM A light emitting system is disclosed, including a light generator, a complex lens and an activating unit. The light generator provides a light beam emitted in a first direction in parallel to an optic axis. The complex lens, disposed on a path of the light beam, include... | 04/30/2009 |
| 20090059994 | Laser System for Medical and Cosmetic Applications A laser system for medical and cosmetic applications has an optical delivery system for guiding a laser beam to a target surface, wherein the optical delivery system has an external optical element facing toward the target surface. A mechanical filter in the form of a p... | 03/05/2009 |
| 20090046757 | Laser irradiation apparatus, laser irradiation method, and manufacturing method of semiconductor device An object is to provide a laser irradiation apparatus and a laser irradiation method with which positions of crystal grain boundaries generated at the time of laser crystallization can be controlled. Laser light emitted from a laser 101 is modulated into laser li... | 02/19/2009 |
| 20090016400 | MULTI-BEAM LASER APPARATUS There is provided a multi-beam laser apparatus including: a laser beam source generating a beam; an incident lens disposed on a path of the beam; a beam splitter splitting the beam incident on the incident lens into a plurality of beamlets; and a beam path adjustor disp... | 01/15/2009 |
| 20080310475 | Laser device having thermal lens astigmatism compensation devices and methods of use The present application is directed to various embodiments of laser devices having at least one thermal lens astigmatism compensation device and methods of use and includes at least one pump source configured to irradiate at least one pump signal, a first gain device is... | 12/18/2008 |
| 20080304536 | High Intensity Laser or Diode-Based Lighting Apparatus Having Integrated Optics A high intensity lighting apparatus (400) includes an outer housing (402); a curved support disk (414) having an array of diode or laser-based integrated light source (410) attached thereto disposed within the housing. Each of the light sourc... | 12/11/2008 |
| 20080279248 | LASER MACHINING APPARATUS Provided is a laser machining apparatus. The laser machining apparatus includes: a laser oscillator emitting laser beams; a first dividing means on which the laser beams emitted from the laser oscillator are incident to be selectively divided so that the incident laser ... | 11/13/2008 |
| 20080267245 | Beam homogenizer, laser irradiation apparatus, and method for manufacturing semiconductor device The present invention is to provide a beam homogenizer, a laser irradiation apparatus, and a method for manufacturing a semiconductor device, which can suppress the loss of a laser beam and form a beam spot having homogeneous energy distribution constantly on an irradia... | 10/30/2008 |
| 20080240199 | TARGET ILLUMINATOR FOR NIGHT-VISION DEVICES The invention relates to a target illuminator (1) for night-vision technology, comprising a laser source (2), the radiation power of the laser source being at least 15 mW, in particular from 100 to 500 mW, and the laser source being formed for emission of ... | 10/02/2008 |
| 20080232422 | Laser Radiation Source A transmitter unit is described for an open path gas detector. The unit comprises: an enclosure having a window; and a coherent radiation transmitter, e.g. a tuneable laser diode transmitter, located within the enclosure and configured to direct a beam of radiation thro... | 09/25/2008 |
| 20080219704 | Optical writing device and image forming apparatus An electrophotographic optical writing device equipped with a semiconductor laser includes the semiconductor laser, a collimating lens, an aperture, a cylindrical lens, and a polygon scanner. An additional aperture, a second aperture, is provided in a light path between... | 09/11/2008 |
| 20080205470 | MONOLITHIC LIGHTING DEVICE A monolithic lighting device is disclosed. According to an embodiment of the present invention, the monolithic lighting device includes a monolithic lens, refracting a two-dimensional beam of light transferred from an outside and condensing the refracted beam into a one... | 08/28/2008 |
| 20080165822 | LASER LIGHT IRRADIATION APPARATUS AND LASER LIGHT IRRADIATION METHOD Laser light is emitted from a laser oscillator, and the laser light is made to enter a beam expander optical system including a concave lens through a correction lens. The laser oscillator, the correction lens and the concave lens are disposed so that, when an emission ... | 07/10/2008 |
| 20080137707 | Device for Beam Shaping A device for beam shaping is particularly suited for producing a linear intensity distribution in a working plane. The device includes a laser light source, which can emit a multi-mode laser radiation. The beam quality factor of the radiation with regard to a first dire... | 06/12/2008 |
| 20080127891 | CONCAVE LASER-RESURFACED PART, METHOD AND DEVICE FOR PRODUCING IT Device for resurfacing a concave face (2) of a tubular part (1) by supplying resurfacing material and energy by a laser, comprising a laser source for generating a laser beam (9), resurfacing material delivery means (5) based on hard refracto... | 06/05/2008 |
| 20080063022 | Semiconductor laser and tunable fluid lenses According to one aspect of the present invention, a semiconductor laser comprising a laser chip, a light wavelength conversion device, and a tunable lens according to the present invention is provided. The tunable lens comprises first and second fluid lens components po... | 03/13/2008 |
| 20080057442 | Method and apparatus for manufacturing band stop filter A method and an apparatus for manufacturing a band stop filter are disclosed. In one aspect, the method uses hologram lithography to produce the band stop filter of a smaller size without the need of a mask.... | 03/06/2008 |
| 20080031301 | SURFACE-EMITTING TYPE SEMICONDUCTOR LASER A surface-emitting type semiconductor laser includes: a lower mirror; an active layer formed above the lower mirror; an upper mirror formed above the active layer; and a lens section formed above the upper mirror, wherein n1>n, where X is a design wavelength,... | 02/07/2008 |
| 20080019412 | Laser beam injecting optical device for optical fiber In a shielding case, a condenser lens condenses a laser beam output by a laser oscillator to inject the laser beam into an entrance end face of an optical fiber disposed posterior to a focusing point of the laser beam. Ventilation of an ambient gas in the shielding case... | 01/24/2008 |
| 20080008222 | Laser Irradiation Method and Apparatus, Method for Annealing Non-Single Cyrstal, and Method for Manufacturing Semiconductor Device It is an object of the present invention to provide a laser irradiation technique which can keep the stability of the laser oscillator high and which can perform laser process homogeneously by avoiding the adverse effect due to the return light reflected on an irradiati... | 01/10/2008 |
| 20070274366 | Optical unit, optical pickup apparatus and optical information-processing apparatus In an optical pickup apparatus body, an APC light-receiving element is arranged halfway along an optical path between a collimating lens and an objective lens, at a position which is entered by laser light which enters the objective lens and spreads out of an effective ... | 11/29/2007 |
| 20070165690 | Vertical external cavity surface emitting laser Provided is a VECSEL capable of achieving an excellent efficiency of a SHG crystal and being manufactured in a compact size. The VECSEL includes a laser chip, an external mirror, an SHG crystal, a lens element, and a wavelength selective mirror. The laser chip generates... | 07/19/2007 |
| 20070147460 | VCSEL WITH INTEGRATED LENS A wafer-level device fabrication process forms standing structures around emitting areas of multiple VCSELs. The standing structures can be shaped to hold ball lenses or other optical elements for respective VCSELs or can include platforms on which optical elements are ... | 06/28/2007 |
| 20070147459 | Optical data processing apparatus using vertical-cavity surface-emitting laser (VCSEL) device with large oxide-aperture A optical data processing apparatus included a light source, an optical system that concentrates light from the light source to an optical data storage medium, and a mechanism that scans the concentrated laser light on the optical data storage medium, the light source i... | 06/28/2007 |
| 20070133650 | Parabolic waveguide-type collimating lens with tunable external cavity laser diode provided with the same The present invention relates to a semiconductor based parabolic waveguide-type collimating lens and a monolithically integrated type tunable external cavity laser diode light source. The monolithically integrated type tunable external cavity laser diode light source in... | 06/14/2007 |
| 20070127539 | Narrow band laser with wavelength stability An external cavity diode laser system includes a thin film filter. The output facet of the laser diode is coated with a partial reflection coating and the cavity side facet is coated with an anti-reflection coating. A roof-top prism or corner cube retroreflector serves ... | 06/07/2007 |
| 20070104243 | LASER APPARATUS FOR TREATING WORKPIECE The present invention relates to a laser apparatus for treating a workpiece. The laser apparatus includes a worktable, a cooling device, a laser, and a lens assembly. The cooling device is disposed on the worktable, the workpiece is positioned on the cooling device, and... | 05/10/2007 |
| 20070091974 | Ultra-high-Q surface-tension-induced monolithically integrated on-chip resonator and associated devices A resonator structure includes a substrate and a cladding layer formed on the substrate. A plurality of lens-shaped optical structures is formed on the cladding layer. The lens-shaped optical structures comprise chacolgenide glass being exposed to a reflow process so as... | 04/26/2007 |
| 20070076777 | SYSTEM AND RELATED CONTROL DEVICE AND METHOD FOR CONTROLLING POWER SUPPLY ACCORDING TO A POWER STATUS A computer system includes a main power, a backup power, an input/output (I/O) board, a main board, a computer host, and controls signal transmission and signal detection with a control device. The control device controls the main power and the backup power according to... | 04/05/2007 |
| 20070071060 | Interferometer, in particular for determining and stabilizing the relative phase of short pulses A description is given of an optical structure (100), in particular for determining and stabilizing the relative phase of short pulses, which contains a broadening device (6) for broadening the frequency spectrum of pulses of electromagnetic radiation, and... | 03/29/2007 |
