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7581403 |
Energy storage arrangement
Energy is stored in the compression of a metastable degenerate Fermi electron gas contained in a compressed metallic base material subjected to a magnetic field in a high pressure cell. Heat energy...
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7551657 |
Magneto-optoelectronic switch and sensor
A Magneto-Optoelectronic Device MOD ( 10 ) includes a magnetic sensing device ( 12 ), such as a magnetoresistive device or a magnetic tunnel junction device, that is combined with a semiconductor...
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7508578 |
Magnon laser
A magnon laser comprising: a magnon gain medium (MGM) that supports generation of nonequilibrium magnons, and a means for generating nonequilibrium magnons in the MGM further comprising a means for...
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7471449 |
Method and apparatus for generating Terahertz radiation with magnon gain medium and magnon mirror
An apparatus for generation of Terahertz radiation comprising: (A) a Magnon Gain Medium (MGM), wherein the MGM supports generation of nonequilibrium magnons; and (B) at least one magnon mirror...
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7460577 |
RF laser
An RF excited gas laser including an offset V-shaped laser cavity. The laser includes a first and second ceramic body portions with the laser cavity at least partially defined by the ceramic body...
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7440178 |
Tunable generation of terahertz radiation
A method of tunable generation of terahertz radiation comprising: (A) providing a magnon gain medium; wherein the magnon gain medium supports generation of nonequilibrium magnons; (B) generating...
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7430074 |
Generation of Terahertz waves
A method of THz photon generation comprising: providing a magnon gain medium; wherein the magnon gain medium supports generation of nonequilibrium magnons; and injecting nonequilibrium electrons...
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RE40184 |
Refractive surgery and presbyopia correction using infrared and ultraviolet lasers
A method and surgical technique for corneal reshaping and for presbyopia correction are provided. The preferred embodiments of the system consists of a scanner, a beam spot controller and coupling...
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7230959 |
Tunable laser with magnetically coupled filter
Laser apparatus and methods that permit actuation of a tuning element via a magnetically coupled drive assembly, and which provide for isolation of contamination-sensitive optical surfaces within a...
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7129807 |
Undulator and method of operation thereof
In an undulator for the generation of synchrotron radiation from a particle beam introduced into the undulator, two partial undulators are provided each comprising a conductor of superconductive...
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6999487 |
Terahertz generation processes and imaging process thereof
A process including: magnetically energizing susceptible magnetic particles; and accumulating the resulting terahertz lasing mode output of the particles.
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6990126 |
Systems and methods for producing superradiance using molecular magnets
Superradiance is generated by generating coherent radiation in the 10 gigahertz (10 10 ) to terahertz (10 12 ) regions of the electromagnetic spectrum. The radiation is produced by pulsing a micro...
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6912238 |
Particle beam device
A laser and method of producing laser light. The laser and method involve passing a high energy beam of particles through an evacuated chamber. A static electric or magnetic field is established in...
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6813301 |
Structure of reflux fan for excimer laser apparatus
First and second radial magnetic bearings are provided at opposing ends of a rotary shaft, first and second protective bearings are arranged in the vicinity thereof, a third radial magnetic bearing...
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6801555 |
Lasing semiconductor optical amplifier with output power monitor and control
An optical signal power monitoring and control system is described. The system comprises at least one lasing SOA that receives, amplifies, and outputs the optical signal. During the signal...
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6795462 |
Gas laser
The invention describes a gas laser comprising a container ( 6 ) intended to receive a gas or a gas mixture as laser-active medium, the container ( 6 ) having an axis ( 14 ) along which the gas...
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6765935 |
Semiconductor laser module, manufacturing method thereof and optical amplifier
A semiconductor laser module includes a single semiconductor laser device having a first light emitting stripe and at least one other light emitting stripe which are aligned to respectively emit a...
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6690702 |
Excimer laser oscillation apparatus and method, excimer laser exposure apparatus, and laser tube
In an excimer laser oscillation apparatus including a laser chamber ( 20 ) constituted by a laser tube ( 2 ) for storing a laser gas containing a gas mixture of at least one inert gas selected from...
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6594292 |
Saturable reactor and power source apparatus for pulse laser utilizing same
A saturable reactor is in a conductive state or has a magnetic switching function depending on the direction of the current flowing through it. Also provided is a power source apparatus for pulse...
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6580733 |
Analog pulse position modulation in harmonically mode-locked lasers
Analog pulse position modulation of pulsed emission from a laser, which is actively and harmonically mode-locked. The laser requires: a body of an active gain medium; means for changing the gain as...
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RE38054 |
Reliable, modular, production quality narrow-band high rep rate F2 laser
The present invention provides a reliable modular production quality excimer laser capable of producing 10 mJ laser pulses in the range of 1000 Hz to 2000 Hz or greater. Replaceable modules include...
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6532246 |
Excimer laser apparatus
In an excimer laser apparatus comprising a laser chamber 1 filled with a laser gas, a discharge excitation portion 2 provided in the laser chamber 1 , a rotary shaft 3 to which a gas...
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6445130 |
Axially polarized radiation from a toroidal magnetic structure with an equatorial slot
A toroidal magnet structure for polarizing a magnetic wiggler and a synchrotron normal is provided. This structure comprises a toroid composed of a plurality of magic ring semicircular segments,...
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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...
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6400741 |
Emission timing control apparatus for pulsed laser
An emission timing control apparatus for a pulsed laser including a magnetic pulse compression circuit having a switching section for carrying out a switching operation to connect and disconnect a...
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6366594 |
Wavelength selective laser system and associated method
A wavelength selective laser system and associated method are provided that produce laser beams having wavelengths that are only slightly different, but that permit a composite return signal to be...
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6330261 |
Reliable, modular, production quality narrow-band high rep rate ArF excimer laser
The present invention provides a reliable modular production quality excimer laser capable of producing 10 mJ laser pulses in the range of 1000 Hz to 2000 Hz with a full width half, maximum...
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6327279 |
Device for pump light supply for laser active and amplifying fibers
A device for loading of a light wave guide formed as a fiber with exciting energy in form of a pump light supply for producing a laser light has a fiber, such as a laser fiber and an amplifier...
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6258082 |
Refractive surgery and presbyopia correction using infrared and ultraviolet lasers
A method and surgical technique for corneal reshaping and for presbyopia correction are provided. The preferred embodiments of the system consists of a scanner, a beam spot controller and coupling...
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6229828 |
High power pumped MID-IR wavelength devices using nonlinear frequency mixing (NFM)
Laser diode pumped mid-IR wavelength sources include at least one high power, near-IR wavelength, injection and/or sources wherein one or both of such sources may be tunable providing a pump wave...
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6226307 |
Magnetic switch controlled power supply isolator and thyristor commutating circuit
An isolation means used in conjunction with supplying energy to a laser, which isolates a power supply from the pulser circuit, and commutates a switch which activates the discharge of energy to...
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6212209 |
Switchable laser using a faraday rotator
In a laser such as a mode-locked or Q-switched laser, one of the resonator reflectors comprises a switchable Faraday rotator mirror coupled to a switchable magnetic field source. The operation of...
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6167065 |
Compact discharge pumped soft x-ray laser
An extremely compact soft x-ray and/or extreme ultraviolet laser is disclosed that can be repetitively fired within short time intervals. The laser generates a plasma within a capillary (3) by...
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6154471 |
Magnetically tunable and latchable broad-range semiconductor laser
The invention provides a device with an improved tunable laser structure, the structure useful with surface emitting lasers and capable of exhibiting desirable latchability. The tunable laser of...
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6137811 |
System for conditioning an electron beam for improved free-electron laser operation
A system is disclosed for developing a conditioned electron beam of high quality for an exemplary application to a free-electron source of coherent radiation. The system comprises: a source for...
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6128323 |
Reliable modular production quality narrow-band high REP rate excimer laser
The present invention provides a reliable modular production quality excimer laser capable of producing 10 mJ laser pulses at 2000 Hz with a full width half, maximum bandwidth of about 0.6 pm or...
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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...
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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...
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6018537 |
Reliable, modular, production quality narrow-band high rep rate F.sub.2 laser
The present invention provides a reliable modular production quality excimer laser capable of producing 10 mJ laser pulses in the range of 1000 Hz to 2000 Hz or greater. Replaceable modules include...
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6014399 |
Resonant optical device
A resonant optical device has a rod-like resonator made of a fiber-reinforced resin for resonant vibration. A reflecting mirror is supported on the leading edge of the resonator. A drive unit...
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6014387 |
Stable operating regime for traveling wave devices
Autophase stability is provided for a traveling wave device (TWD) electron beam for amplifying an RF electromagnetic wave in walls defining a waveguide for said electromagnetic wave. An off-axis...
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6011810 |
Doping of germanium and silicon crystals with non-hydrogenic acceptors for far infrared lasers
A method for doping semiconductors used for far infrared lasers with non-hydrogenic acceptors having binding energies larger than the energy of the laser photons. Doping of germanium or silicon...
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6009111 |
System and a method for frequency-stabilizing a diode laser
A robust method of stabilizing a diode laser frequency to an atomic transition is provided. The method employs Zeeman shift to generate an anti-symmetric signal about a Doppler-broadened atomic...
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5999546 |
Magnetically tunable laser with wavelength latchability and optical communication system comprising such laser
In accordance with the invention, a tunable laser uses magnets to apply mechanical strain on fiber Bragg grating reflectors or laser cavities in order to induce a change in lasing wavelength. The...
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5995526 |
Transverse Zeeman laser
The present invention is a laser (12) having a resonator (28) between an output coupling mirror (20) and a high-reflection mirror (26). A photoelastic plate (38) is incorporated in a photoelastic...
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5982787 |
Rippled beam free electron laser amplifier
A free electron laser amplifier provides a scalloping annular electron beam that interacts with the axial electric field of a TM 0n mode. A waveguide defines an axial centerline and, a solenoid...
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5982795 |
Excimer laser having power supply with fine digital regulation
An excimer laser system having a laser chamber containing elongated electrodes and an excimer laser gas and a high voltage pulse power supply having fine digital regulation for supplying high...
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5960013 |
Self-seeded injection-locked FEL amplifer
A self-seeded free electron laser (FEL) provides a high gain and extraction efficiency for the emitted light. An accelerator outputs a beam of electron pulses to a permanent magnet wiggler having...
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5930281 |
Ion laser apparatus
An ion laser apparatus having an electromagnet for converging plasma is disclosed for providing stabilized laser operation for a long time. An electromagnet control circuit provided within a power...
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5930028 |
Split reciprocal polarization switch
A split reciprocal polarization switch (SRPS) for use in constructing high performance switching devices used in fiber optics. The SRPS allows selective changes in the polarization of one or the...
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