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Rotating-frame gradient fields for magnetic resonance imaging and nuclear magnetic resonance in low fields

United States Patent

January 21, 2014
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
A system and method for Fourier encoding a nuclear magnetic resonance (NMR) signal is disclosed. A static magnetic field B.sub.0 is provided along a first direction. An NMR signal from the sample is Fourier encoded by applying a rotating-frame gradient field B.sub.G superimposed on the B.sub.0, where the B.sub.G comprises a vector component rotating in a plane perpendicular to the first direction at an angular frequency .omega. in a laboratory frame. The Fourier-encoded NMR signal is detected.
Bouchard; Louis-Serge (Berkeley, CA), Pines; Alexander (Berkeley, CA), Demas; Vasiliki (Boston, MA)
The Regents of The University of California (Oakland, CA)
12/ 594,341
April 2, 2008
STATEMENT REGARDING FEDERAL FUNDING The present invention was made with U.S. Government support under Contract Number DE-AC02-05CH11231 between the U.S. Department of Energy and The Regents of the University of California for the management and operation of the Lawrence Berkeley National Laboratory. The U.S. Government has certain rights in this invention.