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Phys Rev Lett. 2004 Oct 15;93(16):160801. doi: 10.1103/PhysRevLett.93.160801. Epub 2004 Oct 11.

Hyperpolarized xenon nuclear spins detected by optical atomic magnetometry.

Physical review letters

V V Yashchuk, J Granwehr, D F Kimball, S M Rochester, A H Trabesinger, J T Urban, D Budker, A Pines

Affiliations

  1. Department of Physics, University of California at Berkeley, Berkeley, California 94720-7300, USA. [email protected]

PMID: 15524968 DOI: 10.1103/PhysRevLett.93.160801

Abstract

We report the use of an atomic magnetometer based on nonlinear magneto-optical rotation with frequency-modulated light to detect nuclear magnetization of xenon gas. The magnetization of a spin-exchange-polarized xenon sample (1.7 c m(3) at a pressure of 5 bars, natural isotopic abundance, polarization 1% ), prepared remotely to the detection apparatus, is measured with an atomic sensor. An average magnetic field of approximately 10 nG induced by the xenon sample on the 10 cm diameter atomic sensor is detected with signal-to-noise ratio approximately 10 , limited by residual noise in the magnetic environment. The possibility of using modern atomic magnetometers as detectors of nuclear magnetic resonance and in magnetic resonance imaging is discussed. Atomic magnetometers appear to be ideally suited for emerging low-field and remote-detection magnetic resonance applications.

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