Magnetic resonance imaging of hyperpolarized 129Xe produced by spin exchange with diode-laser pumped Cs

D. Levron, D. K. Walter, S. Appelt, R. J. Fitzgerald, D. Kahn, S. E. Korbly, K. L. Sauer, W. Happer, T. L. Earles, L. J. Mawst, D. Botez, M. Harvey, L. Dimarco, J. C. Connolly, H. E. Möller, X. J. Chen, G. P. Cofer, G. A. Johnson

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We report the results of experiments leading to the production of an image of a polarized 129Xe sample prepared by spin exchange with Cs, optically pumped with a spectrally narrowed 894.3 nm diode laser. Representative images of the average electron spin polarization are shown. Appreciable cesium electron polarization values were achieved, and a nuclear polarization of about 2.5% was measured for 129Xe. The absolute nuclear polarization was measured by water-calibrated free induction decay of the nuclear magnetic resonance signal, and the polarized xenon imaged using a 2 T magnetic resonance imaging system.

Original languageEnglish
Pages (from-to)2666-2668
Number of pages3
JournalApplied Physics Letters
Volume73
Issue number18
DOIs
StatePublished - 1 Dec 1998
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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