Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7826511 | Optically pumped laser with an integrated optical pump An apparatus and method for building an optically pumped laser integrated with an electrically driven pump laser is disclosed. The apparatus disclosed comprises an optically pumped laser containing an active layer and an optical pump laser containing an optical mode... | 11/02/2010 |
| 7817701 | Active element for laser source and laser source including such an active element An active element for a laser source, the active element comprising an elongated bar with a reflective lateral surface, doped to be able to absorb at least a pumping beam being propagated at least approximately longitudinally in the bar in order to amplify at least ... | 10/19/2010 |
| 7796670 | Diode laser pumped solid state laser amplifier and diode laser pumped solid state laser A diode laser pumped solid-state laser amplifier capable of homogenizing the distribution of heat dissipation levels on a section of a solid-state laser rod and not causing a bifocal phenomenon, and a diode laser pumped solid-state laser using the diode laser pumped... | 09/14/2010 |
| 7769070 | Solid state laser oscillator Two end facets of a solid state laser medium function as resonating mirrors that cause a pumping light beam to resonate within the solid state laser medium, which becomes a resonator. A pumping means outputs the pumping light beam, having at least two longitudinal m... | 08/03/2010 |
| 7720126 | 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 t... | 05/18/2010 |
| 7522651 | Solid-state lasers employing incoherent monochromatic pump Solid-state laser(s) pumped by incoherent, monochromatic light from sources such as LED arrays and integrating technologies such as high power LED arrays and solid-state laser materials in conjunction with efficient and uniform absorption of pumping energies through... | 04/21/2009 |
| 7430231 | Vertical cavity surface emitting laser (VCSEL) arrays pumped solid-state lasers Solid-state lasers pumped by incoherent or partially coherent, monochromatic light sources such as high power VCSEL arrays. Efficient and uniform injection of pumping energy into gain medium is achieved through spectral match of the pump source with the gain medium ... | 09/30/2008 |
| 7418023 | Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, SM, EU, DY, ER and TB is excited with GaN-based compound laser diode A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er | 08/26/2008 |
| 7418024 | High power vertical external cavity surface emitting laser Provided is a vertical external cavity surface emitting laser (VECSEL) including: a bottom DBR mirror formed on a substrate; an RPG layer formed on the bottom DBR layer; a capping layer formed on the RPG mirror; an optical pump irradiating a pump beam onto a surface... | 08/26/2008 |
| 7411990 | Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ is excited with GaN-based compound laser diode A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er | 08/12/2008 |
| 7403554 | Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, Sm, Eu, Dy, Er, and Tb is excited with GaN-based compound laser diode A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er | 07/22/2008 |
| 7388709 | Multiple path infrared energy source A multiple path light source has a first and second laser source that generate low power continuous wave laser beam at wavelength λ1 and λ2 respectively. A pump laser source generates a high power pulsed narrow linewidth laser beam at wavelength λ0. A first pair ... | 06/17/2008 |
| 7365368 | Surface-emitting type wafer and method for manufacturing the same, and burn-in method for surface-emitting type wafers To simplify the burn-in process and reduce its cost for a surface-emitting type wafer and its manufacturing method, and for a burn-in method for a surface-emitting type wafer. A surface-emitting type wafer includes a substrate 10 and a plurality of surface-em... | 04/29/2008 |
| 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 |
| 7362784 | Laser irradiation method, laser irradiation apparatus, and semiconductor device An object of the present invention is obtaining a semiconductor film with uniform characteristics by improving irradiation variations of the semiconductor film. The irradiation variations are generated due to scanning while irradiating with a linear laser beam of th... | 04/22/2008 |
| 7362789 | Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, Sm, Eu, Dy, Er, and Tb is excited with GaN-based compound laser diode A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er | 04/22/2008 |
| 7357486 | Method of laser machining a fluid slot A method of laser machining a fluid slot includes directing a UV laser beam towards a substrate with microelectronics to form a slot through the substrate. ... | 04/15/2008 |
| 7356062 | Semiconductor laser with reduced heat loss A semiconductor laser having a semiconductor chip (1) which contains an active layer (5) and emits radiation in a main radiating direction (6). The active layer (5) is structured in a direction perpendicular to the main radiating directio... | 04/08/2008 |
| 7356065 | Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho, Sm, Eu, Dy, Er, and Tb is excited with GaN-based compound laser diode A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er | 04/08/2008 |
| 7352784 | Laser burst boosting method and apparatus Methods and apparatus for managing thermal loads on a laser gain medium and for boosting the output power of a diode pumped laser are disclosed. The short-term average pumping power to the gain medium is increased, to provide a burst of pumping energy to the laser g... | 04/01/2008 |
| 7352789 | 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 emiss... | 04/01/2008 |
| 7352010 | Photoelectric conversion module with cooling function A photoelectric conversion module with a cooling function has a semiconductor element to transmit/receive an optical signal, a stem to fix the semiconductor element, a cap to cover the semiconductor element, and a lead to apply an electrical signal to the semiconduc... | 04/01/2008 |
| 7349455 | Solid-state laser with compensation for thermooptical effects To compensate for undesirable thermooptical effects in optical pumping of solid-state laser rods, regions of the lateral surface are heated in such a way that reverse thermal gradients are created at these locations. This is achieved by providing said regions with a... | 03/25/2008 |
| 7346092 | Diode side pumped high pulse energy Nd:YLF lasers According to the invention, a diode side pumped laser is provided. The laser has an optical cavity formed between a first and a second reflective surface. A Nd:YLF lasing medium is located within the cavity along its optical axis. The Nd:YLF lasing medium can desira... | 03/18/2008 |
| 7339960 | Optical device, laser beam source, laser apparatus and method of producing optical device After forming domain inverted layers 3 in an LiTaO3 substrate 1, an optical waveguide is formed. By performing low-temperature annealing for the optical wavelength conversion element thus formed, a stable proton exchange layer 8 is fo... | 03/04/2008 |
| 7340123 | Optical multiplexer and demultiplexer systems and methods using interference filters Multiple channel multiplexing and demultiplexing systems and methods are provided for use in optical communication systems. In one embodiment, an optical multiplexer/demultiplexer system comprises an optical filter, a first optical isolator in optical communication ... | 03/04/2008 |
| 7331676 | Apparatus for projecting a reduced image of a photomask using a schwarzschild objective An optical system for projecting an image of a photomask on a substrate, using a Schwarzschild objective includes an excimer laser, beam shaping optics for shaping a laser beam from the laser and a beam-dividing prism. The beam-dividing prism has a dividing-face inc... | 02/19/2008 |
| 7330300 | Optical frequency mixer and method for the same An optical frequency mixer according to one embodiment of the present invention comprises a V-shaped resonant cavity including a first reflective surface, a second reflective surface and an output coupler, a pumping unit configured to emit a pumping wave to the lase... | 02/12/2008 |
| 7330491 | Fault tolerant laser diode package A laser diode package (10) according to the present invention is tolerant of short-circuit and open-circuit failures. The laser diode package (10) includes a laser diode bar (12), a forward-biased diode (14), a heat sink (18), and ... | 02/12/2008 |
| 7327768 | Wavelength conversion module A wavelength conversion module according to the present invention includes an external resonator, a semiconductor laser module and a wavelength conversion device for converting a wavelength of light output from the semiconductor laser module into a shorter wavelengt... | 02/05/2008 |
| 7321117 | Optical particulate sensor in oil quality detection An oil quality sensor apparatus includes a housing that includes an oil flow path through which oil flows through the housing. One or more photo-detectors can be provided in association and a plurality of light-emitting devices located within the housing and proxima... | 01/22/2008 |
| 7317741 | Amplified spontaneous emission ducts Amplified spontaneous emission (ASE) ducts are disclosed for use with various gain media. An ASE duct may be configured and arranged to remove ASE from solid state or liquid gain media and transmit the ASE to an exterior optical medium. The refractive index of an AS... | 01/08/2008 |
| 7313299 | Laser beam transformation and combination using tapered waveguides A system for transmitting the spatial profile of laser beams with particular applicability to coherently combine laser beams into one beam. The system includes a tapered waveguide with an inlet and outlet at ends of two waveguide elements each having a reflective su... | 12/25/2007 |
| 7311044 | Imaging device cooling system One embodiment of the present invention provides a cooling system in an imaging device having an element that generates heat. The cooling system comprises a thermoelectric generator and a cooling device. The thermoelectric generator is thermally coupled to the eleme... | 12/25/2007 |
| 7310360 | Apparatus and method for face cooling of optical components of a laser system A cooling system for use in with a transmissive optical element of a high average power laser (HAP). The system includes at least one optically transmissive element (TOC) that is held by a differential pressure in thermal contact with a heat sink assembly. In one em... | 12/18/2007 |
| 7300809 | Optically pumped edge-emitting semiconductor laser A multilayer semiconductor laser includes a substrate on which is formed a semiconductor multilayer heterostructure divided into a plurality of electrically pumped regions and an elongated optically pumped region. The electrically pumped regions generate and deliver... | 11/27/2007 |
| 7300808 | Optically pumped, surface-emitting semiconductor laser device and method for the manufacture thereof The invention is directed to an optically pumped surface-emitting semiconductor laser device having at least one radiation-generating quantum well structure and at least one pump radiation source for optically pumping the quantum well structure, whereby the pump rad... | 11/27/2007 |
| 7295580 | Numerical aperture optimization using doped cladding layers A method and apparatus for optimizing the numerical aperture (NA) of a laser active core. The laser active core comprises at least a first and second cladding pair. The first and second cladding pair have at least one NA value. At least one of the first and second c... | 11/13/2007 |
| 7292614 | Organic laser and liquid crystal display An asymmetric light emitting structure for producing polarized light that includes a light emitting layer having a plurality of light emitting species, wherein orientation of the light emitting species is uncontrolled. Receipt of the emitted light from the light emi... | 11/06/2007 |
| 7288086 | High-efficiency, side-pumped diode laser system An apparatus for cutting or ablating hard tissue, includes an optical cavity; a gain medium disposed within the optical cavity; a diode light pump disposed within the optical cavity and optically aligned to light pump the gain medium to generate laser light. The gen... | 10/30/2007 |
