Atomic magnetic gradiometer for room temperature high sensitivity magnetic field detection

Xu, Shoujun; Lowery, Thomas L; Budker, Dmitry; Yashchuk, Valeriy V; Wemmer, David E; Pines, Alexander

Title: Atomic magnetic gradiometer for room temperature high sensitivity magnetic field detection

Patent · Tue Aug 11 00:00:00 EDT 2009

OSTI ID:1013689

Xu, Shoujun ^[1]; Lowery, Thomas L ^[2]; Budker, Dmitry ^[3]; Yashchuk, Valeriy V ^[4]; Wemmer, David E ^[1]; Pines, Alexander ^[1]

Berkeley, CA
Belmont, MA
El Cerrito, CA
Richmond, CA

A laser-based atomic magnetometer (LBAM) apparatus measures magnetic fields, comprising: a plurality of polarization detector cells to detect magnetic fields; a laser source optically coupled to the polarization detector cells; and a signal detector that measures the laser source after being coupled to the polarization detector cells, which may be alkali cells. A single polarization cell may be used for nuclear magnetic resonance (NMR) by prepolarizing the nuclear spins of an analyte, encoding spectroscopic and/or spatial information, and detecting NMR signals from the analyte with a laser-based atomic magnetometer to form NMR spectra and/or magnetic resonance images (MRI). There is no need of a magnetic field or cryogenics in the detection step, as it is detected through the LBAM.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-05CH11231

Assignee:: The Regents of the University of California (Oakland, CA)

Patent Number(s):: 7,573,264

Application Number:: 11/563,537

OSTI ID:: 1013689

Country of Publication:: United States

Language:: English

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