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Optical atomic magnetometer

United States Patent

November 19, 2013
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
An optical atomic magnetometers is provided operating on the principles of nonlinear magneto-optical rotation. An atomic vapor is optically pumped using linearly polarized modulated light. The vapor is then probed using a non-modulated linearly polarized light beam. The resulting modulation in polarization angle of the probe light is detected and used in a feedback loop to induce self-oscillation at the resonant frequency.
Budker; Dmitry (El Cerrito, CA), Higbie; James (Berkeley, CA), Corsini; Eric P. (Santa Maria, CA)
The Regents of The University of California (Oakland, CA)
12/ 675,685
September 4, 2008
STATEMENT REGARDING FEDERALLY SPONSORED R&D The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Contract No. DE-AC02-05CH11231 awarded by the Department of Energy.