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7593434 |
Compression design for high energy short pulse fiber laser
A fiber Chirped Pulse Amplification (CPA) laser system includes a fiber mode-locking oscillator for generating a laser for projecting to a fiber stretcher for stretching a pulse width of the laser....
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7586971 |
External-cavity laser light source apparatus and laser light emission module
An external-cavity laser light source apparatus includes a plurality of laser light emission modules, each including a first mirror, a second mirror reflecting fundamental wave light toward the...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 L S , comprises splitting the light beam on the path distance L S at least once...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7072377 |
Method for calculating and displaying the isothermal contours produced by a laser
A method for calculating and displaying the isothermal contours of the energy produced by a laser in a sample includes applying a laser beam to the focal point of a sample. The region near the...
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7006309 |
Prism unit and laser device
A prism unit, which is capable of firmly fixing a plurality of prism parts in a small space, and a laser device, which is capable of enhancing output power of laser light with use of the prism...
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6975465 |
Method and apparatus for use of beam control prisms with diode laser arrays
The subject invention relates to beam control prisms and the use of a beam control prism to modify the beam properties of light emitted from an edge emitting diode laser. The subject invention can...
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6922430 |
Method and apparatus for a multibeam beacon laser assembly for optical communications
An optical beacon is comprised of a telescope having a primary focal plane or Coudé focal plane, a plurality of fiber coupled laser sources for generating a plurality of beams, a collimator for...
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6907059 |
Optical component fixing method and optical component support
A method of fixing an optical component includes the steps of scoring a surface of a support, bringing an optical component into close contact with the scored surface of the support, and flowing a...
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6879615 |
FCSEL that frequency doubles its output emissions using sum-frequency generation
A “Folded Cavity Surface Emitting Laser” (FCSEL) sum frequency generating device capable of generating a second harmonic at room temperatures with high efficiency and output power, while having...
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6810047 |
Wavelength tunable external resonator laser using optical deflector
The present invention relates to an optical deflector driven by an electrical signal, and a wavelength tunable external resonator using the same. The optical deflector of a triangle shape, capable...
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6804269 |
Laser beam delivery system with trepanning module
A laser beam delivery system for supplying a laser beam to a computer generated hologram which shapes and divides the supplied laser beam into a plurality of pseudo flat top laser beams. The...
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6792028 |
Method and laser beam directing system with rotatable diffraction gratings
A laser beam pointing and positioning system includes first and second rotatable diffraction gratings. Each grating deviates a laser beam by a predetermined angle of deviation. The relative...
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6785319 |
Ultraviolet laser device
A narrow band ultraviolet laser device which can restrict a change in temperature gradient at light transmitting sections and maintain laser light at a high grade. To this end, the ultraviolet...
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6785303 |
Generation of stabilized, ultra-short light pulses and the use thereof for synthesizing optical frequencies
A process for operation of a laser device ( 1 ) is described, whereby circulating light pulses each comprising spectral components according to a plurality of longitudinal modes of a resonator...
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6778579 |
Solid-state laser compensated for pumping-light astigmatism
In a solid-state laser in which a gain crystal is polished to have the Brewster angle or a solid-state laser comprising a dichroic concave mirror to which light enters at an incidence angle which...
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6771683 |
Intra-cavity beam homogenizer resonator
An excimer or molecular fluorine laser system includes a discharge chamber filled with a gas mixture, multiple electrodes within the discharge chamber and connected to the discharge circuit for...
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6754248 |
Solid-state laser and optical transmitter
A solid-state laser having an excitation light source, a lens system for focusing an excitation light produced from the light source, and a laser resonator which is laser-oscillated in response to...
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6738410 |
Line narrowed laser with bidirection beam expansion
A grating based line narrowing unit with bi-directional beam expansion for line narrowing lasers. In a preferred embodiment a beam from the chamber of the laser is expanded in the horizontal...
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6724797 |
External cavity laser with selective thermal control
A laser apparatus wherein a gain medium and an optical output assembly are mounted on a common, thermally conductive substrate which provides selective thermal control of the gain medium and output...
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6707072 |
Semiconductor laser module
A semiconductor laser module in which an exciting laser beam output is always allowed to be in a multi-mode and the variation of optical output does not occur. In the semiconductor laser module, a...
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6690684 |
Optical element and optical apparatus provided with the same
An optical element includes a base member formed of a material transmitting a light of a predetermined wavelength therethrough and an optical acting surface provided on the base member. The optical...
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6678291 |
Molecular fluorine laser
An efficient F 2 laser is provided with improvements in line selection, monitoring capabilities, alignment stabilization, performance at high repetition rates and polarization characteristics....
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6650685 |
Single laser transmitter for Q-switched and mode-locked vibration operation
A multifunctional laser ( 10 ) which, in a first operational mode, outputs a mode-locked beam for vibration sensing applications and, in a second operational mode, outputs a Q switched illumination...
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6647033 |
Optical parametric osicllators with improved beam quality
An optical parametric oscillator (OPO) having an optical pump, which generates a pump beam at a pump frequency greater than a desired signal frequency, a nonlinear optical medium oriented so that a...
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6614828 |
Wavelength selector for laser with adjustable angular dispersion
A tunable laser is provided having a gain medium and a resonator for generating a laser beam, and an angular dispersion element. The laser further includes a beam expander with adjustable...
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6603788 |
Resonator for single line selection
An excimer or molecular fluorine laser system includes a discharge chamber filled with a laser gas mixture at least including a halogen gas and a buffer gas, a plurality of electrodes within the...
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6594301 |
Tunable modelocked ultrafast laser
An automatically-tunable, ultrafast laser delivers ultrashort pulses having a duration a few picoseconds or less. The laser has a laser resonator including an optically-pumped gain-medium providing...
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6590921 |
Narrow beam ArF excimer laser device
The invention relates to a semiconductor exposure ArF excimer laser device having a narrow line width containing 95% of the energy of 1.15 pm or less while using an optical system of prior art beam...
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6587286 |
Circular prism light capacitor
The present invention comprises of a circular prism having beveled periphery and center faces cooperating with multiple other prisms to form a light capacitor. The present invention allows a user...
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6570713 |
Method and apparatus for optimizing the output beam characteristics of a laser
The use of refractive optical elements to reduce or eliminate unwanted wavelength components from a laser emission. The method and apparatus described herein introduces modifications to the...
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6560269 |
Fluorine laser device
Fluorine laser device capable of obtaining laser light with strong monochromatic property and large power is provided. For this purpose, the fluorine laser device is in a fluorine laser device...
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6560254 |
Line-narrowing module for high power laser
An excimer or molecular fluorine laser includes a gain medium surrounded by a resonator and including a line-narrowing module preferably including a prism beam expander and one or more etalons...
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6556613 |
F2-laser with line selection
An F 2 -excimer laser has multiple closely-spaced spectral lines of interest around 157 nm, and one of the lines is selected by wavelength selection optics. The wavelength selection optics of a...
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