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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 8175124 | Frit sealing system A frit sealing system for combining a first substrate and a second substrate using frit comprises a laser generating a laser beam, and a homogenizer normalizing the intensity of the laser beam within a cross section of the laser beam in the transverse direction. The... | 05/08/2012 |
| 8170072 | Laser annealing method and apparatus In the case of a lens array type homogenizer optical system, the incident angle and intensity of a laser beam 1 entering a large-sized lens (long-axis condenser lens 22) of a long-axis condensing optical system, which is provided on the rear side, are ... | 05/01/2012 |
| 8094374 | Beam shaping module A beam shaping module capable of receiving a polarized beam from a light source is disclosed including a beam splitter for splitting the polarized beam into a first beam and a second beam wherein the polarization directions of the first beam and the second beam are ... | 01/10/2012 |
| 8014427 | Line imaging systems and methods for laser annealing The line imaging system includes a laser, first and second cylindrical optical systems with a first spatial filter disposed therebetween, a knife-edge aperture, a cylindrical relay system, and a cylindrical focusing lens. The first spatial filter is configured to tr... | 09/06/2011 |
| 7903698 | Controlled optical filament generation and energy propagation Systems and methods herein provide for the controlled formation of plasma filaments. For example, a system that radiates energy through a gas includes a laser that generates a laser pulse, and an optical element with which the laser propagates the laser pulse to con... | 03/08/2011 |
| 7839903 | Optimization of laser bar orientation for nonpolar and semipolar (Ga,Al,In,B)N diode lasers Optical gain of a nonpolar or semipolar Group-III nitride diode laser is controlled by orienting an axis of light propagation in relation to an optical polarization direction or crystallographic orientation of the diode laser. The axis of light propagation is substa... | 11/23/2010 |
| 7720115 | Dual mode single cavity pulse compressor and method An rf pulse compressor has a single high Q cavity resonator fed by a four port hybrid coupler which is connected to the resonator at coupling ports located at the intersection of two of the resonator's orthogonal axes with the resonator cavity walls. The hybrid coup... | 05/18/2010 |
| 7711014 | Apparatus and method for generating short optical pulses An apparatus for generating short optical pulses is provided having a storage medium capable of storing optical energy, a first module for delivering pumping optical pulses or continuous beam into the storage medium to energize the storage medium, and a second modul... | 05/04/2010 |
| 7573918 | Dispersion compensated mode-locked pulsed lasers and optical amplifiers Techniques, apparatus and systems for providing compensation mechanisms for mode-locked lasers and optical amplifiers and a dispersion compensation mechanism to allow a mode-locked laser and an optical amplifier to be optically coupled to each other and to share a c... | 08/11/2009 |
| 7532649 | Optical cavity for coherent superposition of optical pulses An apparatus is described that includes an optical storage cavity comprising a planar mirror and a spherically curved mirror that form an optical path therebetween. A pump laser introduces optical pulses into the cavity. A folding mirror is disposed in the optical p... | 05/12/2009 |
| 7502392 | Laser oscillator The present invention provides a laser oscillator using an electroluminescent material that can enhance directivity of emitted laser light and resistance to a physical impact. The laser oscillator has a first layer including a concave portion, a second layer formed ... | 03/10/2009 |
| 7433372 | Device and method to stabilize beam shape and symmetry for high energy pulsed laser applications A beam mixer for increasing intensity symmetry along a selected axis of a beam (wherein the beam extends from a first edge to a second edge along the axis) is disclosed and may include a plurality of mirrors establishing a spatially inverting path. For the beam mixe... | 10/07/2008 |
| 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 |
| 7421166 | Laser spark distribution and ignition system A laser spark distribution and ignition system that reduces the high power optical requirements for use in a laser ignition and distribution system allowing for the use of optical fibers for delivering the low peak energy pumping pulses to a laser amplifier or laser... | 09/02/2008 |
| 7409134 | Control of output beam divergence in a semiconductor waveguide device A semiconductor laser device incorporates a beam control layer for reducing far field and beam divergence. Within the beam control layer, a physical property of the semiconductor material varies as a function of depth through, the beam control layer, by provision of... | 08/05/2008 |
| 7388890 | Piezoelectric-tuned external cavity laser A tunable laser comprising: a foundation including a first side and an oppositely facing second side and including a hole extending from the first side to the second side; a tuning assembly including a base, a fine tuning arm and a rotational flex bearing disposed a... | 06/17/2008 |
| 7376160 | Slab laser and method with improved and directionally homogenized beam quality A laser resonator for generating a laser beam having beam quality along two transverse axes that is determined primarily by the mode discrimination characteristics of one axis. The apparatus including a means for providing a collimated beam of electromagnetic energy... | 05/20/2008 |
| 7372878 | Method and system for preventing excessive energy build-up in a laser cavity A method and system decrease the amount of undesired laser radiation reaching a workpiece from a laser having a laser cavity and a Q-switch. The laser operates at any given time in one of at least two modes. In a first mode the laser emits pulses at a PRF (pulse rep... | 05/13/2008 |
| 7372056 | LPP EUV plasma source material target delivery system An EUV light generation system and method is disclosed that may comprise a droplet generator producing plasma source material target droplets traveling toward the vicinity of a plasma source material target irradiation site; a drive laser; a drive laser focusing opt... | 05/13/2008 |
| 7369466 | Optical pickup apparatus and method for controlling phases of three beams An optical pickup apparatus and method are provided. The apparatus and method include a light source unit having a holder in which an optical module having first and second light sources for emitting light having different wavelengths and a grating are installed, an... | 05/06/2008 |
| 7369773 | Methods and systems for polarization control and polarization mode dispersion compensation for wideband optical signals An optical processing method includes: receiving an optical signal from an optical system, wherein the optical signal is distorted by frequency-dependent polarization effects in the optical system; spatially dispersing frequency components of the distorted optical s... | 05/06/2008 |
| 7365349 | EUV light source collector lifetime improvements An apparatus and method for cleaning a plasma source material compound from a plasma produced EUV light source collector optic which may comprise reacting the plasma source material compound with hydrogen to form a hydride of the plasma source material from the plas... | 04/29/2008 |
| 7355191 | Systems and methods for cleaning a chamber window of an EUV light source Systems and methods are disclosed for cleaning a chamber window of an extreme ultraviolet (EUV) light source. The window may have an inside surface facing a chamber interior and an opposed outside surface and the light source may generate debris by plasma formation.... | 04/08/2008 |
| 7352782 | Surface emitting semiconductor laser and communication system using the same A surface emitting semiconductor laser includes a laminate of semiconductor layers emitting multimode laser light, and a block member blocking light of a specific mode among the multimode laser light emitted from the laminate. ... | 04/01/2008 |
| 7342254 | Light-emitting device having a diffractive film on its light-output face and manufacturing method therefor Affords efficiently and at low cost practical, tiny light-emitting devices having an optically diffractive film on their light-output face. A light-emitting device (LD) includes a diffractive film (DF) formed on its light-output face; the diffractive film includes a... | 03/11/2008 |
| 7336685 | Laser irradiation apparatus, laser irradiation method, and method for manufacturing a semiconductor device YAG laser can simultaneously emit a plurality of laser beams having different wavelengths from each other. By simultaneously irradiating the laser beams having different wavelengths from each other to a same region of a non-single crystal semiconductor film, an inte... | 02/26/2008 |
| 7327772 | Optical resonator with mirror structure suppressing higher order transverse modes An optical resonator including is designed is to degrade the ability of the resonator to support suppress higher order transverse spatial modes. The inventive optical resonator forces Higher higher order transverse modes to be fundamentally unstable in the inventive... | 02/05/2008 |
| 7327769 | Injection locking Q-switched and Q-switched cavity dumped COlasers for extreme UV generation A CO2 laser reference oscillator (RO) can provide injection seeding to a Q-switched (QS) or Q-switched cavity dumped (QSCD) CO2 laser, where the output frequency of the RO laser is locked to the peak of the laser line by the use of appropriate ... | 02/05/2008 |
| 7313155 | High power Q-switched laser for soft tissue ablation The present invention discloses a high power Q-switched, intracavity frequency-doubled laser for laser ablation of soft tissue. Operating a high power Q-switched laser in a frequent on-off mode is highly desirable for laser prostatectomy. Giant first pulse may occur... | 12/25/2007 |
| 7310357 | Providing low-coherence light The invention features an apparatus and an associated method for illuminating a target area. The apparatus includes reflectors defining a first optical cavity. The first optical cavity defines a first set of longitudinal modes. The apparatus includes a first gain me... | 12/18/2007 |
| 7298770 | Laser spectral engineering for lithographic process An integrated circuit lithography technique called spectral engineering by Applicants, for bandwidth control of an electric discharge laser. In a preferred process, a computer model is used to model lithographic parameters to determine a desired laser spectrum neede... | 11/20/2007 |
| 7286289 | Surveillance window A surveillance window including at least one set of linear polarizer and quarter-waveplate and a reflecting surface. The surveillance window appears dull and opaque to a subject, while allowing a relatively high percentage of light to be transmitted to an observer. ... | 10/23/2007 |
| 7286771 | Multi-channel optical transmitter incorporating a tunable optical signal source and method for transmitting a multi-channel optical signal The multi-channel optical transmitter is composed of a tunable optical signal source, an optical multiplexer and an intensity reducer. The tunable optical signal source includes a tunable laser, and additionally includes an optical signal output through which it out... | 10/23/2007 |
| 7277460 | Generation of optical filaments by use of localized optical inhomogeneities Optical filaments are formed controllably in a gaseous medium such as air. A phase plate introducing a phase discontinuity or other localized optical inhomogeneity is introduced into the path of the pulsed high-power laser beam that forms the optical filaments in th... | 10/02/2007 |
| 7277617 | Optical pulse compressor based on integrated planar lightwave circuit: method, device, and systems A nonlinear optical waveguide may be utilized, together with arrayed waveguide grating demultiplexer/multiplexer and thermo-optic phase shifters, to achieve pulse compression of optical pulses. In some embodiments, a relatively compact pulse compressor can be achiev... | 10/02/2007 |
| 7266137 | Laser gas replenishment method Output beam parameters of a gas discharge laser are stabilized by maintaining a molecular fluorine component at a predetermined partial pressure using a gas supply unit and a processor. The molecular fluorine is subject to depletion within the discharge chamber. Gas... | 09/04/2007 |
| 7266072 | Semiconductor laser unit and optical head device A semiconductor laser unit includes a plurality of semiconductor laser elements arranged parallel with one another in a laser beam-emitting direction, and a base for positioning and fixing the plurality of semiconductor laser elements. The plurality of semiconductor... | 09/04/2007 |
| 7265908 | Apparatus for projecting a line of light from a diode-laser array Optical apparatus for projecting a line of light includes a diode-laser bar having a plurality of individual emitters, input and output microlens arrays, a lens and other optical elements. The diode-laser bar, the microlens arrays, and the lens are configured and ar... | 09/04/2007 |
| 7260131 | Symmetrization device and laser diode system provided with the same A symmetrization device and laser diode system using such a device is shown. The device has adjacent lens components transforming beamlets from a laser diode array. Each lens component has input and output surfaces, each having a profile in the propagation direction... | 08/21/2007 |
| 7260125 | 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... | 08/21/2007 |
