Optically driven Spin Nutations in the Ground State of Atomic Sodium
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Date
1990-02
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The American Physical Society
Abstract
We report detailed studies of the dynamic response of spin coherence to a step input of optically resonant narrow-band laser radiation in the presence of a static transverse magnetic field. The evolution of the spins is observed with a cw optical probe beam using polarization-selective detection of the transmitted light. In extension of previous optical-pumping experiments, the dynamics of the system are studied systematically as a function of optical-resonance detuning and intensity. Our experiments are performed on the 3s 2S1/2 ground state of sodium, using the D1 line for optical excitation. The experimental data are compared with theoretical predictions based on a Bloch-type equation of motion for an optically driven spin system in a J=(1/2 ground state.
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Dieter Suter, Martin Rosatzin, and Jürgen Mlynek: Optically driven Spin Nutations in the Ground State of Atomic Sodium. In: Phys. Rev. A, 41, pp 1634-1644 (1990).