Velocity Selective Optical Pumping of Rb Hyperfine Lines Induced by a Train of Femtosecond Pulses
Journal Article
·
· Physical Review Letters
- Institute of Physics, Bijenicka 46, Zagreb (Croatia)
We present direct observation of the velocity-selective optical pumping of the Rb ground state hyperfine levels induced by 5S{sub 1/2}{yields}5P{sub 1/2} femtosecond pulse-train excitation. A modified direct frequency comb spectroscopy based on the fixed frequency comb and a weak cw scanning probe laser was developed. The femtosecond pulse-train excitation of a Doppler-broadened Rb four-level atomic vapor is investigated theoretically in the context of the density matrix formalism and the results are compared with the experiment.
- OSTI ID:
- 20699647
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 23 Vol. 95; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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