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APS

Hyperfine Quantum Beat Spectroscopy of the Cs 8p level with Pulsed Pump-Probe Technique

Burcin Bayram, Oleg Popov, Stephen T. Kelly, Patrick M. Boyle, Andrew Salsman

Published May 1, 2013• 0 citations
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Quantum beat spectroscopy: Stimulated emission probe of hyperfine quantum beats in the atomic cesium

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polarization quantum beats are used to determine the magnetic dipole (A) and electric quadrupole (B) coupling constants in the excited atomic Cs 8p 2 P3=2 level. The experimental approach is a combination of pulsed optical pumping and time-delayed stimulated-emission probing of the excited level. From the measured evolution of the atomic linear polarization degree as a function of probe delay time, we determine the hyperne coupling constants A = 7.42(6) MHz and B = 0.14(29) MHz.

Bulletin of the American Physical Society•Jun 9, 2015•0 citations

Quantum beat spectroscopy: Stimulated emission probe of hyperfine quantum beats in the atomic Cs 8p2P3/2 level

Servet Bayram, Phillip T. Arndt, Oleg Popov +4 more

Measurements of hyperfine polarization quantum beats are used to determine the magnetic dipole (A) and electric quadrupole (B) coupling constants in the excited atomic Cs $8p{\phantom{\rule{0.16em}{0ex}}}^{2}{P}_{3/2}$ level. The experimental approach is a combination of pulsed optical pumping and time-delayed stimulated-emission probing of the excited level. From the measured evolution of the atomic linear polarization degree as a function of probe delay time, we determine the hyperfine coupling constants $A=7.42(6)$ MHz and $B=0.14(29)$ MHz.

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Hyperfine Quantum Beats Observed in Cs Vapor under Pulsed Dye Laser Excitation

S. Haroche, Jeffrey A. Paisner, ARTHUR L. SCHAWLOW

We report observation of hyperfine quantum beats in the light emitted by the $7{^{2}P}_{\frac{3}{2}}$ level of ${\mathrm{Cs}}^{133}$ after excitation by a short resonant dye laser pulse. Frequency analysis of the beats provides a measurement of the hyperfine splittings in agreement with previous work. The usefulness of quantum-beat detection as a new method of laser spectroscopy without complications from the Doppler effect is discussed.

Physical Review Letters•May 14, 1973•190 citations
Measurements of hyperfine polarization quantum beats are used to determine the magnetic dipole (A) and electric quadrupole (B) coupling constants in the excited atomic Cs 8p2P3/28p{\phantom{\rule{0.16em}{0ex}}}^{2}{P}_{3/2}8p2P3/2​ level. The experimental approach is a combination of pulsed optical pumping and time-delayed stimulated-emission probing of the excited level. From the measured evolution of the atomic linear polarization degree as a function of probe delay time, we determine the hyperfine coupling constants A=7.42(6)A=7.42(6)A=7.42(6) MHz and B=0.14(29)B=0.14(29)B=0.14(29) MHz.
We report observation of hyperfine quantum beats in the light emitted by the 72P327{^{2}P}_{\frac{3}{2}}72P23​​ level of Cs133{\mathrm{Cs}}^{133}Cs133 after excitation by a short resonant dye laser pulse. Frequency analysis of the beats provides a measurement of the hyperfine splittings in agreement with previous work. The usefulness of quantum-beat detection as a new method of laser spectroscopy without complications from the Doppler effect is discussed.