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| Number | Title | Issue Date |
| 8135051 | Gas laser oscillator A gas laser oscillator includes a plurality of discharge tube arrays, each discharge tube array including a plurality of electrical discharge tubes, a support mechanism supporting the plurality of discharge tube arrays, and an optical part optically connecting the p... | 03/13/2012 |
| 7583718 | Optical mounting scheme for waveguide lasers and waveguide laser incorporating the same Certain example embodiments of this invention relate to waveguide lasers (e.g., RF-excited waveguide lasers). Certain example embodiments of this invention provide an optical mounting scheme for use with a waveguide laser. In certain example embodiments, a carrier i... | 09/01/2009 |
| 7372202 | Phase locked microdischarge array and AC, RF or pulse excited microdischarge The invention is directed to a method and apparatus for phase-locking microdischarge device arrays and an ac, rf, or pulse-excited microdischarge. The invention provides output from a non-laser optical source that is a phase-locked array of microdischarges formed of... | 05/13/2008 |
| 7367254 | Cutter with laser generator that irradiates cutting position on workpiece to facilitate alignment of blade with cutting position A cutter including a base, a holder, a cutter blade portion, and a laser generator. The holder is supported on the base portion in an upright posture. The cutter blade portion supports a moving blade. The cutter blade portion is supported on the holder movable betwe... | 05/06/2008 |
| 7369596 | Chamber for a high energy excimer laser source A chamber for a gas discharge laser is disclosed and may include a chamber housing having a wall, the wall having an inside surface surrounding a chamber volume and an outside surface, the wall also being formed with an orifice. For the chamber, at least one electri... | 05/06/2008 |
| 7064908 | Laser beam jitter reduction device on a laser optical bench In accordance with an embodiment of the present invention, a device including a first optical table, a second optical table, and at least one optical mount coupled to the first and second optical tables and configured to support at least one optical component. The f... | 06/20/2006 |
| 7040121 | Sealing lighting device component assembly with solder glass preform by using infrared radiation Disclosed is a method for sealing and affixing a component assembly for an electrical lighting device to a glass lamp envelope. The assembly used in the process comprises the component, such as an electrode lead wire and a solder glass perform. The process is useful... | 05/09/2006 |
| 6976372 | Sealing lighting device component assembly with solder glass preform by using induction heating Disclosed is a process for sealing component assembly to an electrical lighting device using induction healing. The assembly comprises the component, such as an electrode lead wire, and a solder glass perform. The process is useful, for example, in hermetically seal... | 12/20/2005 |
| 6920170 | Orthogonally excited-type laser oscillator Plate springs as coupling members can absorb deformation of an oscillator case due to heat and do not transmit the deformation to two optical bases constituting an optical resonator, and it is thereby possible to maintain an appropriate positional relation between t... | 07/19/2005 |
| 6895029 | Nitride semiconductor laser device A nitride semiconductor laser chip 103 is fixed to a submount 102 serving as a mount member with solder 107. The submount 102 is made of a material having a thermal expansion coefficient higher than that of a nitride semiconductor substra... | 05/17/2005 |
| 6845114 | Organic laser that is attachable to an external pump beam light source A vertical cavity organic laser device, that includes: an organic laser cavity including: a bottom dielectric stack for receiving and transmitting pump beam light and being reflective to laser light over a predetermined range of wavelengths; an organic active region... | 01/18/2005 |
| 6804284 | Optical element holding and extraction device An optical element holding and extraction device is provided. The device includes an optical element, an optical element holder having a tubular gripping portion and a tubular extraction portion connected at one end to the tubular gripping portion, and a retainer th... | 10/12/2004 |
| 6798820 | Adjusting device for a multi-beam source unit and image forming apparatus An adjusting device for a multi-beam source unit includes a mounting bracket, a base member rotatably mounted on the mounting bracket and a multi-beam laser diode provided with light emitting points positioned substantially in a straight line with respect to each ot... | 09/28/2004 |
| 6798814 | Gas discharge laser, method of operating a gas discharge laser, and use of a sintered filter The invention relates to a gas discharge laser including a discharge tube (1), in which a gas is present and which has at least one aperture (19) through which a laser beam emerges or at which a laser beam is reflected. For withdrawing a partial amount... | 09/28/2004 |
| 6795483 | Optical component driving device in laser apparatus In a laser apparatus, precision of wavelength control, wavelength stability and speed of wavelength control are increased, and an optical component is prevented from being polluted. A ball screw is used a feed screw of a feed screw mechanism that changes the orienta... | 09/21/2004 |
| 6693940 | Laser rod pump chamber and method A solid state laser, includes laser rod tubes (10, 117) crimped onto each end of a laser rod (15, 121) with PTFE seal rings (25, 118) compressed between the laser rod and the laser rod tube. The compressed seal rings provide an improved leak tight seal in... | 02/17/2004 |
| 6674780 | Gas drawing/refilling and sealing structure for gas laser A gas drawing/refilling and sealing structure for a laser gas storage container of the present invention includes a sealed container and a blocking member, wherein the body of the container is provided with a gas passage having a gas inlet end and a block... | 01/06/2004 |
| 6646503 | Circuit configuration for detecting a functional disturbance A circuit configuration for detecting a functional disturbance has a first and a second differential amplifier. The outputs of the differential amplifiers are connected to the inputs of a gate. One input of the differential amplifiers is in each case conn... | 11/11/2003 |
| 6628693 | Discharge electrode for laser device A discharge electrode for a laser device which can cause stable main discharge to occur is provided. To this end, the discharge electrode includes a cathode base (8) made of an insulating material for sealing up a chamber opening (7) provided in a laser c... | 09/30/2003 |
| 6618422 | Preionization arrangement for a gas laser A preionization device for a gas laser comprises an internal preionization electrode having a dielectric housing around it and an external preionization electrode displaced from the dielectric housing by a small gap. The dielectric housing includes two cy... | 09/09/2003 |
| 6587491 | Semiconductor laser A support section is provided on one side of a stem, which is secured such that at least two leads are projected from both sides. A heat sink section is formed on the upper portion of the support section in a wide width extending to the side of the projec... | 07/01/2003 |
| 6567456 | Method and apparatus for achieving polarization in a laser using a dual-mirror mirror mount A novel dual-mirror mirror mount assembly for achieving polarization of a light beam in a gaseous laser is presented. The assembly includes a mirror mount structure open at one end and having a hollow cavity therein. A pair of mirrors are hard-sealed to t... | 05/20/2003 |
| 6493375 | Adjustable mounting unit for an optical element of a gas laser An adjustable mounting unit for an optical element of a gas laser is provided. The typical gas laser for which the mounting unit will be used comprises a tube having a first end wall at one end and a second end wall at the other end, an optical axis exten... | 12/10/2002 |
| 6473444 | Assembly device for a laser head A laser bar assembly module having a metal base plate (20) to support a diode or a laser diodes strip (22), this base plate being provided with a groove or area (21) holding the diode or diodes strip in position, a support (24) on which the metal base pla... | 10/29/2002 |
| 6438289 | Light emitting and receiving device A light emitting and receiving device consists of a light propagating member provided with a light emitting means for converting first electrical signals into first optical signals, and a light receiving means for receiving and converting second optical s... | 08/20/2002 |
| 6421364 | Solid state optical pumping laser with shielded laser cavity insert Reflective powder, such as barium sulfate, within a reflector chamber of a solid-state optical pumping laser is effectively isolated from coolant-water, preventing contact therewith. Degeneration of reflectors and diminution of lasing magnitude is avoided... | 07/16/2002 |
| 6404794 | Excimer laser apparatus An excimer laser apparatus comprises a container sealing a laser gas including a halogen gas therein, a pair of discharge electrodes disposed in the container for inducing an electric discharge capable of oscillating a laser light, and a circulating fan w... | 06/11/2002 |
| 6208674 | Laser chamber with fully integrated electrode feedthrough main insulator A feedthrough structure of a gas discharge laser chamber conducts electric power through the wall of a sealed gas enclosure to a single piece electrode inside the enclosure. The feedthrough structure includes a single piece integrated main insulator large... | 03/27/2001 |
| 6134256 | Slice laser The performance of an RF excited gas laser having a discharge region with a generally curvilinear orthogonal cross-section, the shorter of the two dimensions of the discharge region cross-section being the spacing between non-conductive sidewalls which co... | 10/17/2000 |
| 6104735 | Gas discharge laser with magnetic bearings and magnetic reluctance centering for fan drive assembly The present invention provides an electric discharge gas laser having a laser cavity in which is contained a laser gas and a fan for circulating the laser gas. The fan is supported by an active radial magnetic bearing system and driven by a brushless DC m... | 08/15/2000 |
| 6097749 | Light source device including semiconductor lasers A cost-effective and accurate light source deice for use in an image forming apparatus and including semiconductor lasers is disclosed. The device needs only a minimum number of parts, obviates displacements during assembly, and allows collimator lenses t... | 08/01/2000 |
| 6026103 | Gas discharge laser with roller bearings and stable magnetic axial positioning An electric discharge gas laser having a laser cavity in which is contained a laser gas and a fan for circulating the laser gas. The fan is supported in position radially by a roller bearing system and axially at least in part by magnetic forces. In a pre... | 02/15/2000 |
| 5901167 | Air cooled gas laser A gas laser design (10) includes, an elongated sealed tube (21) filled with a gas, a power supply for exciting the gas, an optical resonator (24,25) for producing directional optical energy, and a fan/electronics package assembly (50), all of which are su... | 05/04/1999 |
| 5764678 | Wavelength-stabilized narrow band excimer laser The present invention provides a wavelength-stabilized narrow band excimer laser device which has a discharge tube, a cavity formed of both an output mirror at a front side and a total reflection mirror at a rear side, and a wavelength selective element p... | 06/09/1998 |
| 5719896 | Low cost corona pre-ionizer for a laser An anode and an a cathode in a gas laser, such as an excimer laser, are spaced in a first direction. A voltage difference between these members produces an electrical discharge which ionizes gasses in the laser to react chemically and produce coherent rad... | 02/17/1998 |
| 5694411 | Ultraviolet range laser and method for manufacturing the same An ultraviolet range laser comprising a vacuum vessel having an open end portion hermetically sealed with an output mirror glass substrate, which is featured in that the output mirror glass substrate is formed of a glass material which is capable of allow... | 12/02/1997 |
| 5617440 | Device for holding a cylindrical laser tube in a stable radiation direction A device for holding a cylindrical laser tube (3) in a stable radiation direction in the cylindrical internal space of a metallic housing (2), the internal space having a larger diameter than the laser tube (3) and O-rings (4) for mounting the laser tube ... | 04/01/1997 |
| 5608754 | Laser resonator A laser resonator allows internal optical mirrors to be cleaned easily and minimizes any contamination of the internal optical mirrors. The laser resonator has normally closed cleaning windows disposed immediately in front of output, rear, and folding mir... | 03/04/1997 |
| 5502740 | Stripline laser resonator In a stripline laser, the spacer rods are traversed by coolant, and are of composite structure for compensating the longitudinal expansions and define the invariant spacing of the two resonator mirrors that are indirectly firmly joined with the spacer rod... | 03/26/1996 |
| 5475702 | Diode pumped slab module A slab module for a face-pumped laser includes a box frame having top and bottom walls and opposite end walls defining a central slab chamber therein. The end walls have central access holes for receiving opposite ends of a laser slab positionable in the ... | 12/12/1995 |
