Phys. Rev. A 34, 2477–2479 (1986)Complete Doppler coverage in laser optical pumping by wall-induced velocity-changing collisionsReceived 9 April 1986; published in the issue dated September 1986 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. © 1986 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.34.2477
DOI:
10.1103/PhysRevA.34.2477
PACS:
32.90.+a, 34.90.+q
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