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| Application No. | Application Title | Issue Date |
| 20110188526 | TWO-DIMENSIONAL PHOTONIC CRYSTAL LASER A two-dimensional photonic crystal laser light is provided. The two-dimensional photonic crystal laser includes a two-dimensional photonic crystal made of a plate-shaped member provided with a periodic arrangement of identically-shaped modified refractive index areas ha... | 08/04/2011 |
| 20110075687 | SCALABLE, EFFICIENT LASER SYSTEMS A laser comprises an end pump light source and a gain medium having a first end, a second end, and four sides comprising a first, a second, a third, and a fourth side. The end pump light source is optically coupled to the first end and pumps the gain medium. The first s... | 03/31/2011 |
| 20110043804 | MATERIAL ANALYSIS DEVICE BASED ON EDGE-EMITTER SEMICONDUCTOR LASER CHRYSTAL, AND ASSICIATED ANALYSIS TOOL An edge-emitter semiconductor laser crystal having a receptacle for sample material which can influence the crystal's laser operation. There may be separate zones of laser action within the crystal, creating respective sensing zones in the receptacle. Detection may be a... | 02/24/2011 |
| 20100215069 | LASER OSCILLATOR AND LASER BEAM OSCILLATION METHOD By using a ceramics laser medium such as Nd:YAG ceramics or Yb:YAG ceramics, division of a lateral mode pattern to a local mode is suppressed so that single frequency, linear polarization oscillation are achieved in TEM00 mode. A laser oscillator comprising a... | 08/26/2010 |
| 20100118903 | SOLID STATE LASER DEVICE WITH REDUCED TEMPERATURE DEPENDENCE The present invention relates to a solid state laser device with a solid state gain medium between two resonator end mirrors (3, 5) and a GaN-based pump laser (1) arranged to optically pump the solid state gain medium. The solid state gain medium is a Pr 05/13/2010 | |
| 20100098125 | SELF-POWERED RANDOM SCATTERING LASER DEVICES The present disclosure relates to a self-powered, random scattering laser generating device comprising a housing comprises an opening and an inner chamber, at least one quantum dot positioned inside the inner chamber, a high-energy emitting source positioned within the ... | 04/22/2010 |
| 20100061415 | OPTICAL FIBRE MATERIAL COMPRISING SILICA-BASED GLASS WITH REDUCED PHOTO DARKENING The invention relates to a waveguide laser or amplifier material comprising a silica glass host material, one or more rare earth elements in total concentration CRE at. %, one or more network modifier elements selected from the group of tri- or penta-valent atoms of the... | 03/11/2010 |
| 20090279577 | Multi-pass laser amplifier with staged gain mediums of varied absorption length A laser amplification system is disclosed that enables reliable operation over large ambient temperature operating window, as well as a significant reduction of laser temperature sensitivity typically associated with diode pumped lasers. The techniques employed by the s... | 11/12/2009 |
| 20090135869 | Surface-emitting laser light source using two-dimensional photonic crystal The present invention intends to provide a surface-emitting laser light source using a two-dimensional photonic crystal in which the efficiency of extracting light in a direction perpendicular to the surface is high. In a laser light source provided with a two-dimension... | 05/28/2009 |
| 20090054956 | MULTIPLE WAVELENGTH LASER WORKSTATION Lasers capable of lasing at least two wavelengths are provided having a lasing medium which is capable of lasing at a first wavelength and at a second wavelength. An output coupler is positioned along a longitudinal axis at a first end of the lasing medium and a first m... | 02/26/2009 |
| 20090052486 | LASER APPARATUS AND PRODUCTION METHOD OF LASER APPARATUS Provided are a laser apparatus into which a large current can be injected and a production method which enables easy production of the apparatus. A laser apparatus includes a light-emitting region on a substrate, and a periodic refractive index structure containing an i... | 02/26/2009 |
| 20090034566 | Photonic crystal laser One objective of the present invention is to provide a laser device which is capable of scanning beams of a laser light of high output power at a high speed without using mechanical scanning mechanisms. A plurality of the upper electrodes 33 is linearly arranged ... | 02/05/2009 |
| 20090016395 | TWO-DIMENSIONAL PHOTONIC CRYSTAL SURFACE-EMITTING LASER Two-dimensional photonic crystal surface-emitting laser comprising a two-dimensional photonic crystal, having media different in refractive index arrayed in a two-dimensional cycle, disposed in the vicinity of an active layer that emits light by the injection of carrier... | 01/15/2009 |
| 20080298407 | Composite Laser Element and Laser Oscillator Employing It The present invention provides a composite laser element that solves the problems encountered with a conventional laser medium composed of an Nd:YAG single crystal or polycrystal, and exhibits excellent performance as a laser medium. The invention relates to a laser ele... | 12/04/2008 |
| 20080225917 | Laser Processing Apparatus and Solid Laser Resonator To provide a laser processing apparatus compatible with increase in the output of the pumping light source without increasing the reflectance of the output mirror. A solid laser medium for generating laser oscillation when pumping light from an pumping light source ente... | 09/18/2008 |
| 20080165817 | Reverse oxidation post-growth process for tailored gain profile in solid-state devices A laser rod is provided having a tailored gain profile such that the quality of the output beam is enhanced. The laser rod has a concentration of active substitutional ions that is relatively high at the center of the rod and decreases to the surface of the rod. The las... | 07/10/2008 |
| 20080151954 | Nd:YV04 laser crystal and method of growth and use thereof In a method of forming an Nd:YVO4 laser crystal, a melt of Nd:YVO4 in a vacuum is provided and an Nd:YVO4 seed crystal is provided in the vacuum with its c-axis oriented perpendicular to a surface of the melt. While in the vacuum, Nd:YVO... | 06/26/2008 |
| 20080083905 | CR4+DOPED MIXED ALLOY LASER MATERIALS AND LASERS AND METHODS USING THE MATERIALS A laser medium includes a single crystal of Cr4+:Mg2-xMxSi1-yAyO4, where, where M is a bivalent ion having an ionic radius larger than Mg2+, and A is a tetravalent ion having an ionic radius la... | 04/10/2008 |
| 20070280317 | COMPOSITE LASER ROD,FABRICATING METHOD THEREOF, AND LASER DEVICE THEREWITH As a composite laser rod capable of satisfying the positional stability and output stability of a laser beam, a laser rod in which a laser active element is doped is intimately inserted into a hollow portion of a non-doped ceramic pipe that has a crystal structure the s... | 12/06/2007 |
| 20070251443 | METHOD FOR MAKING LOW-STRESS LARGE-VOLUME NOT-(111)-ORIENTED CRYSTALS WITH REDUCED STRESS BIREFRINGENCE AND MORE UNIFORM REFRACTIVE INDEX AND CRYSTALS MADE THEREBY A method is described for making an especially not-(111)-oriented low-stress large-volume crystal having a glide plane with reduced stress birefringence and more uniform refractive index. The method includes growing and tempering the crystal while heating and/or cooling... | 11/01/2007 |
| 20070237190 | High-power Er: YAG laser An Er:YAG laser includes an Er:YAG crystal medium and optical pumping element and is adapted to oscillate at a wavelength of 2.94 μm. The optical pumping element irradiates pumping light pulses onto a plurality of regions along a longitudinal direction of the Er:YAG cr... | 10/11/2007 |
| 20070217459 | SEMICONDUCTOR LASER A semiconductor laser having an n-cladding layer, an optical guide layer, an active layer, an optical guide layer, and a p-cladding layer above an InP substrate, in which the active layer has a layer constituted with Be-containing group II-VI compound semiconductor mixe... | 09/20/2007 |
| 20070201520 | Compact High Output Power Mid-Infrared Emitter System And Method A mid-infrared emitter sub-system includes a heat sink and a diamond thermal diffusion layer connected to the heat sink through a first thermal bonding layer. The first thermal bonding layer has a first melting point. A semiconductor slab portion of a semiconductor lase... | 08/30/2007 |
| 20070189346 | Solid-state laser apparatus A solid-state laser apparatus which can cool a solid-state laser medium such that the solid-state laser medium attains a uniform temperature along the propagating direction of light to be amplified is provided. In a solid-state laser appar... | 08/16/2007 |
| 20070098029 | System for emission of electromagnetic radiation, and method for making A device for emission of electromagnetic radiation comprises a source of atomic particles and a collector disposed to receive atomic particles from the source. The collector comprises an emission medium, the medium comprising a crystal having a spatial dimension in the ... | 05/03/2007 |
| 20070036195 | Active element for a laser source and laser source comprising such an active element The active element (1) comprises an elongate rod (2) that comprises a doped matrix capable of absorbing at least one pump beam (3) in order to amplify at least laser radiation (4) propagating longitudinally, the length and the doping of said ... | 02/15/2007 |
| 20060285571 | Diode-pumped, solid-state laser with chip-shaped laser medium and heat sink A chip-shaped laser medium (12) is side pumped to improve mode matching between the pumping energy (50) and lasing mode volume (36). The chip thickness (44) and laser medium doping level can be designed and controlled to ensure adequate pumpi... | 12/21/2006 |
| 20060256824 | Semiconductor laser pumped solid device A semiconductor laser pumped solid laser device is disclosed which enables a reduced size and high light output easily. The semiconductor laser pumped solid laser device has a plate-like laser material, and a semiconductor laser that emits a laser beam to pump the plate... | 11/16/2006 |
| 20060198411 | Total reflecting cavity for a solid state laser A laser device in accordance with the present invention includes an enclosure that defines a pump cavity with a decreasing taper, from a maximum width at an input end to a minimum width at an output end of the cavity. A laser slab is positioned within the pump cavity by... | 09/07/2006 |
| 20060193358 | Tetravalent chromium doped laser materials and NIR tunable lasers A method is described to improve and produce purer Cr4+-doped laser materials and lasers with reduced co-incorporation of chromium in any other valence states, such as Cr3+, Cr2+, Cr5+, and Cr6+. The method includes... | 08/31/2006 |
| 20060023758 | Laser material, laser system and methods A nonlinear Yb:YAB laser material is disclosed. The material is capable of generating fundamental o-polarized first wavelength laser light and frequency doubled e-polarized second wavelength laser light, the material being oriented for type 1 phase matching of the first... | 02/02/2006 |
| 20050281302 | YAG lasing systems and methods Lasing systems utilizing YAG and methods for producing a YAG suitable for lasing are provided. The lasing system comprises a laser activator and a laser host material is provided. The laser host material comprises a transparent polycrystalline yttrium aluminum garnet ma... | 12/22/2005 |
| 20050281301 | Mid-IR microchip laser: ZnS:Cr2+ laser with saturable absorber material A method of fabrication of laser gain material and utilization of such media includes the steps of introducing a transitional metal, preferably Cr2+ thin film of controllable thickness on the ZnS crystal facets after crystal growth by means of pulse laser dep... | 12/22/2005 |
| 20050259705 | Laser oscillation device A laser oscillation device, comprising an optical crystal, wherein a heat radiation film with thermal conductivity higher than thermal conductivity of the optical crystal is formed at least on an end surface of the optical crystal where an excitation light enters. ... | 11/24/2005 |
| 20050190805 | Doped stoichiometric lithium niobate and lithium tantalate for self-frequency conversion lasers In accordance with the present invention, a crystal laser material that is suitable for self doubling is presented. A crystal according to the present invention includes a stoichiometric lithium niobate crystal isomorph host material doped with at least one laser ion. I... | 09/01/2005 |
