Abstract
Laser cooling and trapping of rare, radioactive isotopes has the potential for greatly enhancing experiments in high resolution spectroscopy of exotic species, electron electric-dipole moment searches, β-decay asymmetry, and parity nonconservation. The ability to hold atoms for several seconds at high densities (1011 cm-3) and away from the perturbing effects of the cell walls makes laser cooling and trapping attractive for use in the experiments mentioned above. Because many isotopes of interest for these experiments are difficult to produce, the ability to quickly and efficiently collect these atoms from a dilute vapor is crucial. We have demonstrated a 6% collection efficiency in a special wall-coated cell. We have developed a model that predicts the capture efficiency as a function of trap properties and have developed techniques for measuring the pertinent characteristics.
© 1994 Optical Society of America
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