Triad National Security, LLC

Los Alamos National Security, LLC

Jefferson Science Associates, LLC

Dinh Nguyen

Gregory Dale

Cynthia Buechler

John W Lewellen

David R Douglas

Boris Chernobrod

Stephen V Benson

Gennady P Berman

Christopher Tennant

Guy Wilson

Alan R Bishop

Dale Allen Dalmas

Vacheslav N Gorshkov

John W Lewellen, Iv

A compact particle accelerator can include two or more cavities disposed along an axis of the particle accelerator, each of which is coupled to two or more drivers. The accelerator can also include a power supply coupled to the two or more drivers such that a particle beam traveling along the axis is accelerated. The power supply can be an interface with a commercial power outlet, battery power, or a combination thereof depending upon the use case. Example configurations of the accelerator include hand held or mobile devices that are capable of delivering up to and greater than a 1 MeV electron beam.

Compact, high-efficiency accelerators driven by low-voltage solid-state amplifiers

Provided is a resonant structure including a microwave cavity and a sideline radio-frequency (RF) power coupler including: an inner conductor; an outer conductor sharing a central axis with the inner conductor, the outer conductor being electrically coupled to an outer wall of the microwave cavity; and an insulation layer between the inner conductor and the outer conductor.

Sideline radio-frequency power coupler

A method of bunch length compression method for a free electron laser (FEL) that avoids parasitic compressions by 1) applying acceleration on the falling portion of the RF waveform, 2) compressing using a positive momentum compaction (R&#x3e;0), and 3) compensating for aberration by using nonlinear magnets in the compressor beam line.

Bunch length compression method for free electron lasers to avoid parasitic compressions

A high-speed (Gbps), free space optical communication system is based on spectral encoding of radiation from a wide band light source, such as a laser. By using partially coherent laser beams in combination with a relatively slow photosensor, scintillations can be suppressed by orders of magnitude for distances of more than 10 km. To suppress the intensity fluctuations due to atmospheric turbulence, a source with partial transverse coherence in combination with slow response time photodetector is used. Information is encoded in the spectral domain of a wideband optical source by modulation of spectral amplitudes. A non-coherent light source with wide spectrum (an LED, for example) may be used for high-speed communication over short (less than about a mile) distances.

System and method that suppresses intensity fluctuations for free space high-speed optical communication

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Los Alamos, NM, United States of America

Dinh Nguyen