Nonimpact degenerate four-wave mixing in Na perturbed by He

Nissim Asida, Michael Rosenbluh, Shaul Mukamel

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Collisionally induced four-wave mixing (FWM) signals have been observed in Na vapor broadened by He buffer gas at large detunings from resonance. Analytical expressions are developed which do not use the collisional impact approximation and which accurately describe the dependence of the FWM intensity on laser detuning and incident laser intensity. The measurements and the theory are used to calculate the nonimpact collisional lineshape for the Na-He system for detunings of 40 to 200 cm-1 from the D line resonances.

Original languageEnglish
Pages (from-to)4123-4126
Number of pages4
JournalPhysical Review A
Issue number7
StatePublished - 1989


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