Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8018981 | Multi-pass optical cell with actuator for actuating a reflective surface A multi-pass optical cell with an actuator for actuating a reflective surface is provided. In one preferred embodiment, an apparatus is provided comprising a first reflective surface, a second reflective surface, and a support structure supporting the first and seco... | 09/13/2011 |
| 8009716 | Plasmon stabilized unimodal laser diodes A device having a light cavity includes, at one end, a plasmonic reflector having a grating surface for coupling incoming light into traverse plasmon waves and for coupling the traverse plasmon wave into broaden light, the surface serving to redistribute light withi... | 08/30/2011 |
| 7933305 | Device for generating or detecting electromagnetic radiation, and fabrication method of the same A device for generating or detecting electromagnetic radiation includes a substrate, a gain medium provided on the substrate, a plurality of reflectors for confining electromagnetic radiation at a predetermined frequency range and substantially perpendicular to a fa... | 04/26/2011 |
| 7885312 | Surface emitting semiconductor laser element A surface emitting laser is provided with an upper reflecting mirror having a photonic crystal structure with a point defect at the center, and emits a laser beam from the side of a lower reflecting mirror. An upper electrode is formed on the point defect at the cen... | 02/08/2011 |
| 7869482 | Semiconductor laser device A semiconductor laser device is made of a group III nitride semiconductor having a major growth surface defined by a nonpolar plane or a semipolar plane. The semiconductor laser device includes a cavity having an active layer containing In and distributed Bragg refl... | 01/11/2011 |
| 7869483 | Surface emitting laser A surface emitting laser which oscillates at a wavelength λ of a blue band, including a photonic crystal layer including a photonic crystal structure, an active layer provided on one surface of the photonic crystal layer, and an electrode provided on the other surf... | 01/11/2011 |
| 7860143 | Metal-assisted DBRs for thermal management in VCSELs A VCSEL includes a substrate having a partially removed portion; a metal-assisted DBR having a metal layer and a first mirror stack, wherein the metal layer is located at the partially removed portion of the substrate; an active region having a plurality of quantum ... | 12/28/2010 |
| 7843987 | Laser equipment Laser equipment for outputting output lights having different wavelengths includes: a substrate; an excitation light generation element for emitting excitation lights including surface emitting laser elements and disposed on the substrate; and a light converter havi... | 11/30/2010 |
| 7830944 | Surface-emitting laser and optical apparatus formed by using surface-emitting laser A surface-emitting laser has an active layer between a first distributed Bragg reflector and a second distributed Bragg reflector. The first distributed Bragg reflector is formed so as to have a resonant mode and a first longitudinal mode different from the resonant... | 11/09/2010 |
| 7830943 | Vertical cavity surface emitting laser and method of manufacturing two-dimensional photonic crystal of vertical cavity surface emitting laser A vertical cavity surface emitting laser includes an active layer between a first reflector and a second reflector and at least either the first reflector or the second reflector includes a two-dimensional photonic crystal. The two-dimensional photonic crystal has a... | 11/09/2010 |
| 7822094 | Semiconductor laser element and method for producing same A semiconductor laser element realizes a high COD light output in broader range of reflection factor at a facet with high reliability. A semiconductor laser element has a multi-layered reflection film formed on at least one end facet of a resonator. An optical path ... | 10/26/2010 |
| 7817703 | Vertical-cavity surface-emitting laser, module, optical transmission device, optical transmission system, free space optical communication device, and free space optical communication system Provided is a VCSEL that includes a first semiconductor multilayer film reflective mirror of a first conductivity type formed on a substrate and having a first impurity concentration; an active region formed thereon; a second semiconductor multilayer film reflective... | 10/19/2010 |
| 7796672 | Light source device and projector including light source device A light source device includes: a laser light source emitting a laser beam of a prescribed wavelength; a nonlinear optical element, disposed facing a light emergence surface of the laser light sources which converts an emission wavelength of the laser beam emitted f... | 09/14/2010 |
| 7796673 | Apparatus and methods for altering a characteristic of a light-emitting device Apparatus and methods for altering one or more spectral, spatial, or temporal characteristics of a light-emitting device are disclosed. Generally, such apparatus may include a volume Bragg grating (VBG) element that receives input light generated by a light-emitting... | 09/14/2010 |
| 7756188 | Semiconductor device with corner reflector A semiconductor laser device (5) comprising at least one semiconductor laser chip (7) is provided, wherein the semiconductor laser chip (7) contains an active layer that emits electromagnetic radiation. Further, at least one corner reflector ( | 07/13/2010 |
| 7746914 | Waveguide retroreflector and method of fabricating the same A waveguide retroreflector consists of an end cap with curved output surface attached to a waveguide such as optical fiber. The radius of curvature of the output surface of the end cap matches the length of the end cap so as to retro-reflect a substantial portion of... | 06/29/2010 |
| 7697588 | Structure having photonic crystal and surface-emitting laser using the same To provide a structure having a photonic crystal that can display a reflection function using GR even when a refractive index difference between a photonic crystal layer and a cladding layer adjacent thereto is not sufficient and a surface-emitting laser using the s... | 04/13/2010 |
| 7684460 | Surface emitting laser device A surface emitting laser device can further improve the light emission efficiency thereof to enlarge the degree of freedom of the device. The surface emitting laser device includes an active layer 103, a photonic crystal layer disposed to be adjacent to the a... | 03/23/2010 |
| 7620091 | Broadband laser lamp with reduced speckle The present invention is directed to a laser resonator emitting visible radiation with reduced speckle noise, wherein said optical resonator is formed by at least two mirrors at both ends of a visible radiation emitting lasing material, wherein that optical resonato... | 11/17/2009 |
| 7609745 | Semiconductor laser apparatus A novel semiconductor laser device is provided which can suppress internal optical absorption even when In is used as a material for a semiconductor multilayer mirror containing a nitride. The semiconductor laser device has two mirrors disposed to face each other, a... | 10/27/2009 |
| 7596165 | Distributed Bragg Reflector for optoelectronic device A Distributed Bragg Reflector (DBR) that has relatively low light absorption, relatively low electrical resistance, and/or relatively good thermal conductivity. The DBR may include a first mirror layer and a second mirror layer, with an interface therebetween. A ste... | 09/29/2009 |
| 7564890 | Laser equipment A laser equipment for outputting output lights having different wavelengths includes: a substrate; an excitation light generation element for emitting excitation lights including surface emitting laser elements and disposed on the substrate; and a light converter ha... | 07/21/2009 |
| 7548574 | Integrated modulator/laser assembly and a method of producing same An laser/modulator assembly includes a laser source, such as a distributed feedback (DFB) laser, and a modulator, such as an electro-absorption modulator (EAM), integrated along a common waveguide. The waveguide has a distal end bent to define an inner side of the b... | 06/16/2009 |
| 7512170 | Method of forming mirrors by surface transformation of empty spaces in solid state materials A multi-layered reflective mirror formed of spaced-apart plate-shaped empty space patterns formed within a substrate is disclosed. The plurality of plate-shaped empty space patterns are formed by drilling holes in the substrate and annealing the substrate to form th... | 03/31/2009 |
| 7463667 | Solid-state laser and multi-pass resonator A laser system may include a solid-state laser gain material (LGM) module. The system may also include a multi-pass resonator including a plurality of relay mirrors. The plurality of mirrors may be grouped at least in pairs. A first mirror of each pair of relay mirr... | 12/09/2008 |
| 7443893 | Method and system for tunable pulsed laser source A tunable pulsed laser source comprising a seed source adapted to generate a seed signal and an optical circulator. The optical circulator includes a first port coupled to the seed source, a second port, and a third port. The laser source also includes an amplitude ... | 10/28/2008 |
| 7440643 | Variable light controlling device and variable light controlling method A variable light controlling device comprising a substrate, an optical waveguide disposed on the substrate, a first heater and a second heater to change the optical waveguide's temperature is fabricated. And a total amount of the power supplied to the first and the ... | 10/21/2008 |
| 7440483 | Cascaded injection resonator for coherent beam combining of laser arrays The invention provides a cascaded injection resonator for coherent beam combining of laser arrays. The resonator comprises a plurality of laser emitters arranged along at least one plane and a beam sampler for reflecting at least a portion of each laser beam that im... | 10/21/2008 |
| 7436874 | Laser device According to the present invention, a first p-side electrode 7A made of metal which is provided with regularly arranged holes 10 having a diameter smaller than a laser oscillation wavelength and a second p-side electrode 7B arranged around the p... | 10/14/2008 |
| 7433381 | InP based long wavelength VCSEL A long wavelength vertical cavity surface emitting laser having a substrate, a first mirror situated on the substrate, an active region situated on the first mirror, a second mirror situated on the active region. The first mirror may have several pairs of layers wit... | 10/07/2008 |
| 7428257 | Apparatus for optical pumping of a laser-active solid body An apparatus for optically pumping a laser-active solid body with pumping light coupled into the solid body through an end surface of the solid body is disclosed. The apparatus includes a laser-active solid body including an end surface though which pumping light is... | 09/23/2008 |
| 7428253 | Method and system for a pulsed laser source emitting shaped optical waveforms A tunable pulsed laser source includes a seed source adapted to generate a seed signal and an optical circulator having a first port coupled to the seed source, a second port, and a third port. The tunable pulsed laser source also includes a modulator driver adapted... | 09/23/2008 |
| 7425726 | Electroabsorption modulators and methods of making the same Electro-absorption modulators and methods of making the same are described. In one aspect, an electroabsorption modulator includes first and second electrodes, first and second cladding regions, an active region, and a tunnel junction structure. The first and second... | 09/16/2008 |
| 7426229 | Line narrowing module, light source of exposure apparatus comprising the same, and method of producing exposure light using line narrowing A line narrowing module includes an elliptical mirror, a diffraction grating disposed at a first focus of the mirror for separating an incident beam into different lines, and a laser beam dispersion and extraction unit. The laser beam dispersion and extraction unit ... | 09/16/2008 |
| 7424044 | Semiconductor laser device The semiconductor laser device 1A has a semiconductor laser array 3 including a plurality of active layers 2 arranged in parallel along a slow direction, and outputs laser beams from the front end face 2a side of the active layers ... | 09/09/2008 |
| 7421002 | Laser-induced optical wiring apparatus A laser-induced optical wiring apparatus includes a substrate, first and second light-reflecting members provided on the substrate separately from each other, an optical waveguide provided on the substrate for optically coupling the first and second light-reflecting... | 09/02/2008 |
| 7418025 | Wavelength monitoring method and apparatus and method of making same A wavelength of an optical source is monitored by first and second adjacent detectors on a common base. A bulk reflective component has first and second partially reflective surfaces that respectively direct first and second portions of energy from the source to the... | 08/26/2008 |
| 7415057 | Unstable optical resonator and laser device An unstable optical resonator for an optically active medium comprising a spherical back mirror and a spherical outcoupling mirror is proposed, and an outcoupling which is asymmetrical in relation to the optical axis takes place therein. ... | 08/19/2008 |
| 7411989 | Mechanically Q-switched COlaser A CO2 laser has a resonator mirror that oscillates about an axis perpendicular to the resonator axis through an angular range of oscillation sufficient that the resonator is only able to deliver radiation for a fraction of an oscillation period of the mir... | 08/12/2008 |
| 7408971 | Longitudinally pumped solid state laser and methods of making and using A laser apparatus for producing a laser light beam can include a gain medium; a pump light source to provide a pump light beam to the gain medium; a first reflector disposed between the first gain medium and the first pump light source and spaced apart from a gain p... | 08/05/2008 |
