U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 372/2 - FREE ELECTRON LASER


Subclass of Class 372 - Coherent light generators
Definition: Subject matter wherein laser action is accomplished by sending
No. of patents: 198
Last issue date: 01/25/2011


1          
NumberTitleIssue Date
7876793Micro 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 between plural alternating electric fields. The attraction of the charg...
01/25/2011
7499476Compact 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 cavities accelerates one electron beam and decelerates the other elec...
03/03/2009
7466725Quantum 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 states |p>, transition angular frequency (ωij) between |i> a...
12/16/2008
7348569Acceleration 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 field to accelerate one or more charged particles. ...
03/25/2008
7343057Integratable optical isolator in a Mach-Zehnder interferometer configuration
A method of operating an optical isolator having first and second optical splitter-combiners disposed within a semiconductor die. The optical splitter-combiners are coupled together into an interferometer configuration by first and second waveguide sections also dis...
03/11/2008
7342230Terahertz 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 output power, thereby enabling imaging of the suspicious object or per...
03/11/2008
7339724Bremsstrahlung 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 wafer having an oxide layer thickness of the order of 1 micron and a ...
03/04/2008
7321604Ultra-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 pulse. Applications include x-ray and EUV lithography, protein structural ...
01/22/2008
7317192High energy polyenergetic ion selection systems, ion beam therapy systems, and ion beam treatment centers
Devices and methods are provided for generating laser-accelerated high energy polyenergetic positive ion beams that are spatially separated and modulated based on energy level. The spatially separated and modulated high energy polyenergetic positive ion beams are us...
01/08/2008
7310408System and method for X-ray generation by inverse compton scattering
A system for generating a tunable X-ray pulse comprises a first electron beam source configured to direct a first electron pulse of predetermined energy and pulse length towards a first interaction zone, a laser beam source configured to direct a first photon pulse ...
12/18/2007
7250727High power, long focus electron source for beam processing
Beam processing methods including e-beam welding and e-beam evaporation for thin film deposition are implemented with a novel high power, long focus electron source. The high power, long focus electron source generates an e-beam. The e-beam is transported through a ...
07/31/2007
7196601Temperature 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 temperature-compensating material selectively arranged to compensate for a te...
03/27/2007
7143290Trusted and secure techniques, systems and methods for item delivery and execution
Documents and other items can be delivered electronically from sender to recipient with a level of trustedness approaching or exceeding that provided by a personal document courier. A trusted electronic go-between can validate, witness and/or archive transactions wh...
11/28/2006
7133845System and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and used only...
11/07/2006
7129807Undulator 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 material which, when a current is conducted therethrough, generates an ...
10/31/2006
7124302Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for electronic commerce including secure transaction management and electronic rights protection. Electronic appliances such as computers employed in accordance with the present invention help to ensure that informa...
10/17/2006
7120800Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and used only...
10/10/2006
7100199Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and used only...
08/29/2006
7098615Radio frequency focused interdigital linear accelerator
An interdigital (Wideröe) linear accelerator employing drift tubes, and associated support stems that couple to both the longitudinal and support stem electromagnetic fields of the linac, creating rf quadrupole fields along the axis of the linac to provide transver...
08/29/2006
7095854Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and used only...
08/22/2006
7095037Electron beam lithography system having improved electron gun
An electron beam lithography system has an electron gun including at least one laser that is operable in a first mode to generate electrons for lithography. The electron beam lithography system is operable in a second mode to regenerate the photocathode of the elect...
08/22/2006
7095772Extreme chirped/stretched pulsed amplification and laser
Methods, devices and systems for generating ultrashort optical linear chirped pulses with very high power by amplifying the pulses so that their temporal duration is longer than the storage time of the amplifying medium. The additional gain factor is related to the ...
08/22/2006
7076652Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and used only...
07/11/2006
7069451Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and used only...
06/27/2006
7051212Systems and methods for secure transaction management and electronic rights protection
The present invention provides systems and methods for secure transaction management and electronic rights protection. Electronic appliances such as computers equipped in accordance with the present invention help to ensure that information is accessed and used only...
05/23/2006
7046703Bessel 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 with conical end mirrors, and the Bessel beam is coupled to the optical...
05/16/2006
7030398Laser driven ion accelerator
A system and method of accelerating ions in an accelerator to optimize the energy produced by a light source. Several parameters may be controlled in constructing a target used in the accelerator system to adjust performance of the accelerator system. These paramete...
04/18/2006
7016389Diode pumped laser with intracavity harmonics
A diode end-pumped solid state laser is provided which produces improved power output, long term stability and improved conversion efficiency from the pumping power, high as well as low power operation while maintaining certain desirable common characteristics such ...
03/21/2006
6970483Method 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 from a superconducting or normal conducting linear accelerator serving...
11/29/2005
6965625Apparatuses 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 beam of electrons from the electron beam generator is directed over ...
11/15/2005
6954128High performance hybrid magnetic structure for biotechnology applications
The present disclosure provides a high performance hybrid magnetic structure made from a combination of permanent magnets and ferromagnetic pole materials which are assembled in a predetermined array. The hybrid magnetic structure provides means for separation and o...
10/11/2005
6909550Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
An optical apparatus for producing chromatic dispersion. The apparatus includes a virtually imaged phased array (VIPA) generator, a mirror and a lens. The VIPA generator receives an input light at a respective wavelength and produces a corresponding collimated outpu...
06/21/2005
6909104Miniaturized terahertz radiation source
A miniaturized terahertz radiation source based on the Smith-Purcell effect is provided, in which, from a focused electron source, a high-energy bundle of electrons is transmitted at a defined distance over a reflection diffraction grating composed of transversely d...
06/21/2005
6906338Laser driven ion accelerator
A system and method of accelerating ions in an accelerator to optimize the energy produced by a light source. Several parameters may be controlled in constructing a target used in the accelerator system to adjust performance of the accelerator system. These paramete...
06/14/2005
6885008Achromatic 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 dipole position, return loop radii and steering/focussing, thereby allowi...
04/26/2005
6858998Variable-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 period length is achieved using a staggered array of pole pieces mad...
02/22/2005
6831933Modular 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 through the use of individual modules having specified characteristics....
12/14/2004
6782010Limiter 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. After expanding this pickoff beam spatially and temporally, the focusin...
08/24/2004
6724782Femtosecond 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 femtosecond laser-electron X-ray source includes a high intra-cavity power, mod...
04/20/2004
6643314Phase 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 that this abstract is provided to comply with the rules re...
11/04/2003
1          
 
Sign InRegister
Username  
Password   
forgot password?