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| Number | Title | Issue Date |
| 7830930 | Semiconductor laser device A semiconductor laser device includes: a laminated body including an active layer, a cladding layer provided on the active layer, and a contact layer provided on the cladding layer, the laminated body having a first and second end face forming a resonator for light ... | 11/09/2010 |
| 7567595 | Laser source with interdigital heater electrodes and underlying current confinement layer A semiconductor laser source is provided wherein the wavelength selective section of the laser diode comprises a P+ type current confinement layer and first and second sets of interdigital heater electrodes formed over the current confinement layer. Individual elect... | 07/28/2009 |
| 7471708 | Gas discharge laser output light beam parameter control A line narrowed gas discharge laser system and method of operation are disclosed which may comprise: an oscillator cavity; a laser chamber comprising a chamber housing containing a lasing medium gas; at least one peaking capacitor electrically connected to the chamb... | 12/30/2008 |
| 7374959 | Two-wavelength semiconductor laser device and method of manufacturing the same A two-wavelength semiconductor laser device includes a first conductive material substrate having thereon first and second regions separated from each other. A first semiconductor laser diode is formed on the first region. A non-active layer is formed on the second ... | 05/20/2008 |
| 7356064 | Polarization switching and control in vertical cavity surface emitting lasers A fast current-controlled polarization switching VCSEL with two independent intra-cavity p-contact electrodes and two independent intra-cavity n-contact electrodes positioned along the four sides of the symmetric aperture such that there are two independent p- and n... | 04/08/2008 |
| 7154926 | Laser diode module, laser apparatus and laser processing apparatus Submount substrates are connected to both sides of a laser diode via hard solders. The lower submount substrate and a heat sink are connected together by a soft solder. The heat sink and a presser electrode are fixed with a predetermined gap therebetween via an insu... | 12/26/2006 |
| 7050473 | Pumping light source for laser-active media In order to improve a pumping light source for laser-active media comprising an outer member enclosing a gas discharge medium, a first electrode acting as a cathode and having a first electrode end located within the outer member, a second electrode acting as an ano... | 05/23/2006 |
| 7016381 | Current-controlled polarization switching vertical cavity surface emitting laser A fast current-controlled polarization switching VCSEL with two independent intra-cavity p-contact electrodes and two independent intra-cavity n-contact electrodes positioned along the four sides of the symmetric aperture such that there are two independent p- and n... | 03/21/2006 |
| 6965623 | Semiconductor laser device and method of manufacturing the same In the semiconductor laser device of the present invention, a P-type diffusion region 3A is disposed in an N− epitaxial layer 2 of a silicon submount 16, and an N-type diffusion region 4A is disposed in this P-type diffusion ... | 11/15/2005 |
| 6882666 | Kink free operation of pump lasers having diffraction grating for providing wavelength stabilization A semiconductor laser source includes a laser diode having front and rear facets. The laser diode includes a substrate and a lower cladding layer disposed on the substrate. The lower cladding layer is doped with a dopant of the first conductivity type. An active lay... | 04/19/2005 |
| 6704333 | Large area laser A large area slab laser, wherein disharge is confined between two large area electrodes. A two dimensional array of inductors is placed across the electrodes so that the standing wave patterns associated with the propagation of the high frequency driving ... | 03/09/2004 |
| 6480327 | High power laser system with fiber amplifiers and loop PCM An optical system for producing high power laser beams has an in/out coupler for receiving an input laser beam from an oscillator. The coupler inputs the beam to a first multiplexer which produces a plurality of beams which are sent to a plurality of fibe... | 11/12/2002 |
| 6442185 | All-metal, DC excited laser with RF pre-ionization The present invention provides a novel and improved technique for achieving a combined RF-DC gas discharge in the optical cavity of the gas laser. The combination of the fast pre-ionization with the transverse RF discharge and the high power excitation wi... | 08/27/2002 |
| 3967214 | Stabilizing electrode for cold cathode gas-ion laser A cold cathode gas-ion laser is described having a stabilizing electrode positioned adjacent the cathode to increase the discharge field strength adjacent the cathode to increase the life span and reliability of the laser during high performance operating... | 06/29/1976 |
