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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7991037 | Multi-beam laser apparatus There is provided a multi-beam laser apparatus including: a laser beam source generating a beam; an incident lens disposed on a path of the beam; a beam splitter splitting the beam incident on the incident lens into a plurality of beamlets; and a beam path adjustor ... | 08/02/2011 |
| 7860144 | Semiconductor laser component, optical device for a semiconductor laser component, and method for producing an optical device A semiconductor laser component comprising a semiconductor laser chip (1) provided for generating radiation and an optical device comprising a carrier (7), a radiation deflecting element (8) arranged on the carrier and a mirror arranged on the c... | 12/28/2010 |
| 7817704 | Monoblock laser with improved alignment features A laser resonator has a support disposed on its axis, to support an adjustable element rotatable with respect to the axis. An HR mirror reflects light, which passes through gain element means and partially through an OC mirror to provide a laser output. The adjustab... | 10/19/2010 |
| 7706425 | Littrow external oscillator semiconductor laser optical axis deviation correction method and device A Littrow-type external-cavity diode laser optical axis displacement correction method and device to easily, inexpensively, and accurately correct displacement of optical axis in Littrow-type ECDLs is provided. In the Littrow-type ECDL optical axis displacement corr... | 04/27/2010 |
| 7630425 | Optical beam steering for tunable laser applications Apparatus is disclosed for optically steering an optical beam, the apparatus comprising a pair of optical prism components arranged together with a diffraction grating so as to allow efficient coupling of an array of spectrally and spatially offset laser diodes to a... | 12/08/2009 |
| 7561612 | Laser source device, image display device equipped with the laser source device, and monitor device A laser source device provided with a light source, a wavelength conversion element, an external resonator, and an optical path conversion element. The wavelength conversion element is disposed inside the resonance structure, the second laser beam is taken out on th... | 07/14/2009 |
| 7436867 | Hermetically sealed external cavity laser system and method A laser apparatus in a hermetically sealed container and methods for hermetically sealing the laser. The laser apparatus comprising an external cavity laser and a modulator in a single hermetically sealed enclosure. ... | 10/14/2008 |
| 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 |
| 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 |
| 7382809 | Tunable fiber laser light source An optical fiber loop has a gain medium having a gain at an oscillation wavelength and optical circulators 13 and 14. Collimate lenses 22 and 24 enlarge light bean taken from the optical circulators 13 and 14. A polygon mirr... | 06/03/2008 |
| 7359420 | Manufacturable vertical extended cavity surface emitting laser arrays Arrays of vertical extended cavity surface emitting lasers (VECSELs) are disclosed. The functionality of two or more conventional optical components are combined into an optical unit to reduce the number of components that must be aligned during packaging. A dichroi... | 04/15/2008 |
| 7354772 | Tag free bio sensing micro strip A system and method for determining information about an assay. In one embodiment the method includes positioning a filter assembly, having an assay disposed on its surface, relative to a light source such that light from the light source is incident on the filter a... | 04/08/2008 |
| 7352783 | Tunable fiber laser light source A loop is formed with an optical fiber by providing a gain medium having a gain with respect to an oscillation wavelength. Light retrieved by the optical circulator 13 from the optical fiber loop is enlarged and projected to a mirror 23. A diffraction ... | 04/01/2008 |
| 7352791 | Optical systems including wavefront correcting optical surfaces The present invention relates to optical systems, beam expanding assemblies, line narrowing modules, and lasers having refractive optical elements with wavefront correcting optical surfaces. The present invention enables the skilled artisan to provide optical system... | 04/01/2008 |
| 7329880 | Multiphoton-excitation laser scanning microscope A compact and inexpensive multiphoton-excitation laser scanning microscope for observing fluorescence by multiphoton excitation having a plurality of wavelengths by irradiating a specimen with ultrashort pulsed laser light having a plurality of wavelengths is provid... | 02/12/2008 |
| 7321468 | Method and optical arrangement for beam guiding of a light beam with beam delay A method for beam guiding of a light beam generated by a light source to a target location along a path distance LS, comprises splitting the light beam on the path distance LS at least once into a first partial beam and a second partial beam, g... | 01/22/2008 |
| 7321607 | External optics and chamber support system A gas discharge laser and method of operating same is disclosed which may comprise a gas discharge laser chamber support structure comprising a first support arm attached to a mounting table; a gas discharge laser chamber slideably engaging the first support arm; an... | 01/22/2008 |
| 7310454 | Photonic bandgap modulator, amplifier, demux, and TDM devices An optical device includes at least two photonic bandgap crystal (PBG) stacks that are each comprised of alternating layers of high and low index materials. A defect region is formed in a cavity region between the at least two photonic bandgap crystal stacks so as t... | 12/18/2007 |
| 7300168 | System for creating spectral displays A highly adaptable system for creating colorful spectral displays or for achieving a prismatic effect using visible light. The invention includes a fixed-angle or monolithic prismatic element fabricated from plate glass mirror material. A compound version of this mo... | 11/27/2007 |
| 7289548 | Laser oscillator incorporating transverse mode rotation in the laser resonator A laser oscillator is provided that makes it possible to stably obtain a laser beam output in continuous or pulsed oscillation that has an intensity distribution of a top-hat profile or a fundamental transverse mode profile. An optical resonator is used that maintai... | 10/30/2007 |
| 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 |
| 7254156 | Line-narrowed dye laser A dye-laser includes a resonator formed between two mirrors. The resonator has a longitudinal Z-axis and transverse X- and Y-axes perpendicular to each other and perpendicular to the Z-axis. A beam of laser radiation circulates in the laser resonator generally in a ... | 08/07/2007 |
| 7235854 | Lanthanide doped TiOdielectric films A dielectric film containing lanthamide doped TiOx and a method of fabricating such a dielectric film produce a reliable gate dielectric having an equivalent oxide thickness thinner than attainable using SiO2. A dielectric film is formed by ion... | 06/26/2007 |
| 7236679 | Optical microresonator coupling system and associated method An optical microresonator coupling system includes an optical source waveguide through which light travels. A microcylinder is positioned adjacent the optical source guide and has a resonant waveguide formed as spaced resonant elements, such as circumferential ridge... | 06/26/2007 |
| 7230967 | Waveguide laser A laser waveguide, where the laser waveguide can be formed by electrodes and at least one sidewall in a manner allowing a more compact structure than previously provided. Protrusions in the electrodes allow easier laser starts, and sectional sidewall(s) allow easier... | 06/12/2007 |
| 7228025 | Thin film interleaver A thin film interleaver device is disclosed. The thin film interleaver includes thin film optics. The thin film(s) are formed such that they reflect one group of wavelengths while allowing a second group of wavelengths to pass through the thin film(s). The thin film... | 06/05/2007 |
| 7218443 | Generation of tunable light pulses A device for generating tunable light pulses has a non-linear optical fiber. The optical spectrum of femtosecond light pulses can be modified by this optical fiber, taking advantage of solitonic effects. In order to make available such a device, which makes it possi... | 05/15/2007 |
| 7197060 | Waveguide laser A laser waveguide, where the laser waveguide can be formed by electrodes and at least one sidewall in a manner allowing a more compact structure than previously provided. Protrusions in the electrodes allow easier laser starts, and sectional sidewall(s) allow easier... | 03/27/2007 |
| 7187507 | Optical component and laser irradiation apparatus The present invention provides an optical component for fixing a lens comprising a base, a holder, and a fastener. The base has a concave side surface and at least one first hole. The holder has a cylindrical shape and has a second hole penetrating through a center ... | 03/06/2007 |
| 7180670 | Chirped multilayer mirror A dispersive multilayer mirror (1) comprising several individual layers (2, 3) applied to a carrier substrate (4) and adjoining each other via parallel, plane surfaces having different optical constants and different thicknesses, wherein a wedge... | 02/20/2007 |
| 7161969 | Laser marking mechanism A laser marking mechanism includes a housing, a laser module in the housing, first and second reflecting lenses, and a third lens; the laser module has a laser emitting end directed at an inside of the housing; the reflecting lenses are positioned in front of the la... | 01/09/2007 |
| 7149234 | High repetition rate gas discharge laser with precise pulse timing control A high repetition rate, compact, modular gas discharge, ultraviolet laser. The laser is useful as a light source for very rapid inspections of wafers in an integrated circuit fabrication process. It is also useful for reticle writing at very rapid rates. A preferred... | 12/12/2006 |
| 7130320 | External cavity laser with rotary tuning element An external cavity laser has a wavelength of the laser output that is tuned by a rotary tuning element mounted on the axle of a motor. The rotary tuning element includes a variable thickness interference film for wavelength selection, and a variable thickness compen... | 10/31/2006 |
| 7114861 | Laser module with trimming capacity A laser module with trimming capacity has a base having an indented portion formed thereon so as to be non-annular in configuration. A lens is disposed inside the base. A laser diode is disposed inside the base and behind the lens. A printed circuit board electrical... | 10/03/2006 |
| 7099358 | Tunable laser light source A gain medium 12 and a tunable filter are provided in an optical path of laser oscillation. The tunable filter has an optical beam deflector for periodically changing an optical beam at a constant angular speed, a prism 26 on which deflected light is m... | 08/29/2006 |
| 7088883 | Beam combination using interleaved optical plates In a system and method, the emitted beams of multiple diode bar array assemblies are combined to achieve an increase in the resulting power density in the combined output beam, while addressing the need for heat distribution in each of the individual assemblies. The... | 08/08/2006 |
| 7088876 | Frequency comb analysis Methods and apparatus for generating a frequency comb and for its use in analyzing materials and in telecommunications. The frequency comb is generated by passing pulsed light from a laser through an optical fiber having a constriction. The frequency comb comprises ... | 08/08/2006 |
| 7082145 | Pulse laser resonator A laser is disclosed which includes a gain medium, a switch element, and a pulse controller. In one embodiment laser light of differing polarizations pass along respective paths and a pulsed laser output is generated via an electro-optical element. In another embodi... | 07/25/2006 |
| 7075739 | Assembly for correcting laser illumination emitted from a laser light source and method for producing said assembly The invention relates to an assembly for correcting laser illumination emitted from a laser light source, comprising a laser light source, which has linear emission sources that are arranged in a row in a first direction (X), whereby in addition, the emission source... | 07/11/2006 |
| 7075963 | Tunable laser with stabilized grating A line-narrowing module for a laser includes a prism beam expander and a grating preferably attached to a heat sink. A pressure-controlled enclosure filled with an inert gas seals the grating and/or other elements of the line-narrowing module. The pressure in the en... | 07/11/2006 |
