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Phys. Rev. Lett. 49, 870–873 (1982)

Optical Pumping of Dense Charge-Exchange Targets for Polarized Ion Sources

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W. D. Cornelius, D. J. Taylor, and R. L. York
Los Alamos National Laboratory, Los Alamos, New Mexico 87545

E. A. Hinds
Yale University, New Haven, Connecticut 06520

Received 21 January 1982; published in the issue dated 20 September 1982

Optical pumping by a single-frequency cw ring dye laser of thick sodium vapor targets (NL>1013 atoms/cm2) without buffer gas has been investigated for application in a polarized ion source. The atomic polarization of the sodium was determined from the optical rotation of a second dye laser tuned midway between the D lines. Rate-equation calculations reproduce the experimental data and predict very high polarizations (P>~0.8) with the use of one or more single-frequency dye lasers in thick alkali-metal vapor targets.

© 1982 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.49.870
DOI:
10.1103/PhysRevLett.49.870
PACS:
32.80.Bx, 29.25.Cy, 29.25.Kf