Two-photon near-resonance light scattering from an atomic level

J. Liran, L. A. Levin, G. Erez, Joshua Jortner

Research output: Contribution to journalArticlepeer-review


We have studied the time-resolved spectra, the energy-resolved spectra, and the total intensity of light emission induced by near-resonance two-photon excitation to the 4D322 and 4D522 levels of Na over the detuning range -7 cm-1<~Δ<~7 cm-1. The time-resolved spectra of Na perturbed by Ar exhibit a fast adiabatic component and a slow resonance-fluorescence component. The cross section for phase-shifting, T2-type collisions in this atomic system is σ=110±20 2.

Original languageEnglish
Pages (from-to)390-393
Number of pages4
JournalPhysical Review Letters
Issue number8
StatePublished - 1977


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