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Use of off-axis injection as an alternative to geometrically merging beams in an energy-recovering linac

United States Patent

January 10, 2012
View the Complete Patent at the US Patent & Trademark Office
Thomas Jefferson National Accelerator Facility - Visit the Technology Review Committee Website
A method of using off-axis particle beam injection in energy-recovering linear accelerators that increases operational efficiency while eliminating the need to merge the high energy re-circulating beam with an injected low energy beam. In this arrangement, the high energy re-circulating beam and the low energy beam are manipulated such that they are within a predetermined distance from one another and then the two immerged beams are injected into the linac and propagated through the system. The configuration permits injection without geometric beam merging as well as decelerated beam extraction without the use of typical beamline elements.
Douglas; David R. (York County, VA)
Jefferson Science Associates, LLC (Newport News, VA)
12/ 316,059
December 9, 2008
The United States of America may have certain rights to this invention under Management and Operating Contract No. DE-ACO5-84ER 40150 from the Department of Energy.