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8106717 Quantum gate method and apparatus  
A method includes causing a common-resonator mode resonating with a transition between |2>i and |3>i that are coupled to each other by a transition having a homogenous broadening ΔEhomo greater ...
7876793 Micro free electron laser (FEL)  
A charged particle beam including charged particles (e.g., electrons) is generated from a charged particle source (e.g., a cathode or scanning electron beam). As the beam is projected, it passes...
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...
7859199 Magnetic chicane for terahertz management  
The introduction of a magnetic electron beam orbit chicane between the wiggler and the downstream initial bending dipole in an energy recovering Linac alleviates the effects of radiation propagated...
7791052 Single-photon generation apparatus and quantum bit reading apparatus and method  
A method of generating a single photon, includes preparing an optical resonator including a resonator mode of a resonance angular frequency ωc, preparing a material contained in the optical ...
7728397 Coupled nano-resonating energy emitting structures  
A nano-resonating structure constructed and adapted to couple energy from a beam of charged particles into said nano-resonating structure and to transmit coupled energy outside the nano-resonating...
7560716 Free electron oscillator  
A beam of charged particles (e.g., an electron beam) from a charged particle source can be selectively applied to a pair of electrodes. For example, the charged particles can be electrons that are...
7499476 Compact two-beam push-pull free electron laser  
An ultra-compact free electron laser comprising a pair of opposed superconducting cavities that produce identical electron beams moving in opposite directions such that each set of superconducting...
7466725 Quantum computer apparatus  
Quantum computer includes optical resonator including system group containing systems each having energy states highest-energy state |3>, and other two energy states |1> and |2>, fourth or more...
7348569 Acceleration of charged particles using spatially and temporally shaped electromagnetic radiation  
A method and apparatus for accelerating charged particles are disclosed, wherein the method comprises using at least a transverse component of a temporally and spatially shaped electromagnetic...
7342230 Terahertz imaging system and associated method  
A terahertz imaging system uses a terahertz light source to illuminate a target object with a series of short pulses of terahertz light. The pulses have a low average output power but a high peak...
7339724 Bremsstrahlung laser (“blaser”)  
A light generating system that comprises a narrow evacuated slot defined between at least two high index contrast waveguide elements. The apparatus can be fabricated using a material such as a SOI...
7321604 Ultra-short wavelength x-ray system  
A method and apparatus to generate a beam of coherent light including x-rays or XUV by colliding a high-intensity laser pulse with an electron beam that is accelerated by a synchronized laser...
7196601 Temperature correction of wigglers and undulators  
An undulator includes a periodic arrangement of magnets to produce a periodic spatial magnetic field distribution in a magnetic gap defined by the magnets. The undulator further includes a...
7157942 Digital frequency difference detector with inherent low pass filtering and lock detection  
A structure and method for implementing a fully digital frequency difference detector uses an n-bit counter to count cycles of a reference clock signal and an m-bit counter to count cycles of a...
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...
7046703 Bessel free electron laser device  
Methods and apparatus are provided for modifying a free electron laser (FEL) to produce a non-diverging laser beam. A relativistic electron beam is converted to a Bessel beam in an FEL resonator...
6970483 Method and a device for realizing both high extraction efficiency of laser light from electron beams and femto-second ultra-short in free-electron lasers pulses  
A method for realizing both high extraction efficiency of laser light from electron beams and femto-second ultra-short pulses in a free-electron laser, wherein the peak current of electron pulses...
6965625 Apparatuses and methods for generating coherent electromagnetic laser radiation  
The present disclosure is directed to laser apparatuses for generating coherent electromagnetic laser radiation having an electron beam generator, a diffraction grating element oriented such that a...
6885008 Achromatic recirculated chicane with fixed geometry and independently variable path length and momentum compaction  
A particle beam recirculated chicane geometry that, through the inducement of a pair of 180 degree bends directed by the poles of a pair of controllable magnetic fields allows for variation of...
6858998 Variable-period undulators for synchrotron radiation  
A new and improved undulator design is provided that enables a variable period length for the production of synchrotron radiation from both medium-energy and high-energy storage rings. The variable...
6831933 Modular approach to the next generation, short wavelength, laser-like light sources  
A system and method for implementing a next generation laser-like light source with Free Electron Lasers (FELs) are provided whereby the construction of a Free Electron Laser (FEL) is customized...
6782010 Limiter optics  
Limiter optics for an ignition feedback regenerative free electron laser amplifier have a pickoff mirror direct a portion of the output from the free electron laser through a focusing assembler....
6724782 Femtosecond laser-electron x-ray source  
A femtosecond laser-electron X-ray source. A high-brightness relativistic electron injector produces an electron beam pulse train. A system accelerates the electron beam pulse train. The...
6643314 Phase locked free electron laser with rational mode locking  
A compound intercavity interferometer for a free-electron laser (FEL) comprising at least two beam splitters positioned at a predetermined angles with respect to optical pathways. It is emphasized...
6636534 Phase displacement free-electron laser  
A free-electron laser (FEL), which in a preferred embodiment comprises a relativistic electron beam generator; an optical cavity capable of storing a co-propagating optical beam; an interaction...
6574248 Laminated wigglers  
A wiggler that, when used in a free electron laser, reduces the harmonicity of the light emitted from the free electron laser. In general, the reduced harmonicity is accomplished by making the...
6556595 Hybrid wiggler  
Disclosed is a novel hybrid wiggler as a kind of insertion devices, for example, in an electron accelerator. Different from a conventional hybrid wiggler consisting of two oppositely facing arrays...
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,...
6345058 Chirped pulse inverse free-electron laser vacuum accelerator  
A chirped pulse inverse free-electron laser (IFEL) vacuum accelerator for high gradient laser acceleration in vacuum. By the use of an ultrashort (femtosecond), ultrahigh intensity chirped laser...
6301041 Unidirectional optical amplifier  
Within a vacuum vessel, there are arranged an electron emitting part emitting an electron beam in a first direction, and an optical amplifying part amplifying incident light with the help of energy...
6285690 Ignition feedback regenerative free electron laser (FEL) amplifier  
An ignition feedback regenerative amplifier consists of an injector, a linear accelerator with energy recovery, and a high-gain free electron laser amplifier. A fraction of the free electron laser...
6268954 Method and system for controlling the slope of an output response  
This invention relates to a method for filtering and to a variable slope optical filter for in-line use with an optical amplifier signal. The filter has a wavelength response that is substantially...
6195199 Electron tube type unidirectional optical amplifier  
Within a vacuum vessel 10, there are arranged an electron gun 2 emitting an electron beam and an amplification part 3 which amplifies incident light 7 by means of the energy of the electron beam....
6151384 X-ray tube with magnetic electron steering  
An X-ray tube uses a magnetic field to steer electrons. The magnetic field urges electrons toward the anode, increasing the proportion of electrons emitted from the cathode that reach desired...
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...
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...
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 TM0n mode. A waveguide defines an axial centerline and, a solenoid...
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...
5956353 Free electron laser with masked chicane  
A free electron laser (FEL) is provided with an accelerator for outputting electron beam pulses; a buncher for modulating each one of the electron beam pulses to form each pulse into longitudinally...
5945899 Permanent magnet twister  
A permanent magnet rectangular bar shaped to form a helix having a central ore and a longitudinal axis. The magnetic orientation of the helical permanent magnet bar is along the longitudinal axis...
5909165 Chiron twister  
A Chiron Twister magnet structure is provided from a right circular cylinder constructed of a passive material, such as iron, formed into a continuous helical bar deployed around a tunnel-like...
5896407 High-efficiency plasma confining method, laser oscillating method and laser oscillator  
A high-efficiency plasma confining method, and a laser oscillating method of oscillating a laser, confine a plasma generated by entering a laser beam via an entry of a superconducting cylinder...
5889797 Measuring short electron bunch lengths using coherent smith-purcell radiation  
A method is provided for directly determining the length of sub-picosecond electron bunches. A metallic grating is formed with a groove spacing greater than a length expected for the electron...
5887008 Method and apparatus for generating high energy coherent electron beam and gamma-ray laser  
A function is introduced into a high energy electron storage ring or collider so as to form pulses of an electron beam each having a time width for causing coherence of electrons, thereby...
5822342 Method of forming a plasma micro-undulator  
Undulator is a device which produces a high intensity synchrotron radiation having narrow band width by making a relativistic electron beam undulate in an alternating magnetic field. It is possible...
5815517 Method and apparatus for generating super hard laser  
In a method of generating a super hard laser, uniformization of the energy of an electron beam in an electron storage ring and formation of a pulse of the electron beam through gyration phase...
5805620 Beam conditioner for free electron lasers and synchrotrons  
A focused optical is been used to introduce an optical pulse, or electromagnetic wave, colinearly with the electron beam in a free electron laser or synchrotron thereby adding an axial field...
5790573 High power free electron lasing device using electrostatic wigglers with recirculating beams between a pair of magnetic mirrors  
An apparatus for producing high intensity laser radiation. A vacuum enclosure is provided which includes first and second magnets at each end, and a magnetic field applied along the length of the...
5790585 Grating coupling free electron laser apparatus and method  
Free electron laser apparatus, for producing coherent electromagnetic radiation within a spectral range extending from millimeter to visible wavelengths, includes elements for generating an...
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