Subnatural coherence effects in saturation spectroscopy using a single traveling wave

Year: 1985

Authors: Bertuccelli G., Beverini N., Galli M., Inguscio M., Strumia F., Giusfredi G.

Autors Affiliation: Gruppo Nazionale di Struttura della Materia – CNR
Dipartimento di Fisica, Università di Pisa
Istituto Nazionale di Ottica (INO)

Abstract: We have performed zero-field level-crossing resonance measurements (nonlinear Hanle effect) in a metastable Ca atomic beam. By saturating the optical transitions 3P1,2–3S1, for which the radiative linewidth is 10.5 MHz, we have recorded resonances corresponding to widths of about 31 kHz. The effect has been investigated as a function of the saturating-radiation intensity. The frequency jitter of the laser used in the measurements is about 40 times wider than the recorded widths.

Journal/Review: OPTICS LETTERS

Volume: 10 (6)      Pages from: 270  to: 272

KeyWords: Saturation Spectroscopy; Coherence; Calcium
DOI: 10.1364/OL.10.000270

Citations: 8
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