Complete Doppler coverage in laser optical pumping by wall-induced velocity-changing collisions
- 1 September 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 34 (3), 2477-2479
- https://doi.org/10.1103/physreva.34.2477
Abstract
Enhanced Doppler coverage has been observed in the laser-induced optical pumping of low-density rubidium vapor in the absence of any buffer gas. Transient and steady-state measurements show that this enhancement arises from velocity-changing collisions (VCC’s) of rubidium atoms with the walls of the cell containing the vapor. Wall-induced VCC’s offer a possible mechanism for increasing the efficiency with which atomic and nuclear polarization may be produced with lasers.Keywords
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