Evidence of coherence effects has been observed in the Zeeman sublevels by means of nonlinear level crossing in a metastable Ca beam with resonance width 3 orders of magnitude less than the radiative linewidth of the investigated transitions. By using two separate traveling waves, Ramsey-like fringes have been observed. The final measured widths are determined by the transit time, are weakly dependent on the magnetic-field inhomogeneities, and are independent of the natural width of the optical transitions and the laser bandwidth.
Ramsey fringes in the nonlinear Hanle effect in a metastable atomic beam / G. Bertuccelli;N. Beverini;M. Galli;M. Inguscio;F. Strumia. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 11:(1986), pp. 351-353. [10.1364/OL.11.000351]
Ramsey fringes in the nonlinear Hanle effect in a metastable atomic beam
INGUSCIO, MASSIMO;
1986
Abstract
Evidence of coherence effects has been observed in the Zeeman sublevels by means of nonlinear level crossing in a metastable Ca beam with resonance width 3 orders of magnitude less than the radiative linewidth of the investigated transitions. By using two separate traveling waves, Ramsey-like fringes have been observed. The final measured widths are determined by the transit time, are weakly dependent on the magnetic-field inhomogeneities, and are independent of the natural width of the optical transitions and the laser bandwidth.
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