Abstract
Laser pulses with finely controlled amplitude envelopes can selectively invert a portion of a Doppler broadened line, but the extent of inversion varies as the Rabi frequency of the transition changes—due, for example, to the mJ orientational dependence of μ • E for a given J′ ⇒ J″ transition or to laser power jitter. Modulation of the phase in addition to the amplitude can compensate for Rabi frequency variations, and pulses can be designed to invert a transition completely over a chosen well-defined frequency range.1
© 1989 Optical Society of America
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