Nonlinear Hyperfine Pressure Shift by Optical Pumping with White Light
- 23 June 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 22 (25), 1349-1351
- https://doi.org/10.1103/physrevlett.22.1349
Abstract
Optical pumping methods have been extended to high buffer-gas pressures by replacing the customary resonance lamp by a white-light source. Rb ground-state Zeeman transitions were detected by resonance fluorescence at argon buffer-gas pressures up to 23 atm. Hyperfine-transition frequencies were measured at 4170 Torr (0°C) and at 7390 Torr (0°C) and showed the first nonlinear pressure dependence so far observed.Keywords
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