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Conferences > QELS > 1992 > QThD > QThD24
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper QThD24

Laser-enhanced low-pressure gas NMR signal from 129XE

Xizhi Zeng, Zidong Liu, Mingxin Zhao, Scnlin Li, Liyun Li, and Changjun Wu

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Abstract

An NMK signal from a low-pressure gas (about 10 Torr) has not been observed on NMR spectrometers with a magnetic field of Tesla magnitude. We have greatly enhanced the low-pressure gas NMR signal on NMR spectrometers by spin-exchange optical pumping methods using linearly polarized laser radiation. Cs vapor was optically pumped to a high degree of electronic spin polarization with linearly polarized laser radiation, and then spin-exchange collisions between the Cs atoms and 129Xe caused sonne of this orientation to be transferred to 129Xe nuclei from Cs atoms.

© 1992 Optical Society of America

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