Overtone absorption in a two-overtone frequency field

Munir H. Nayfeh, Jaser Shobaki

Research output: Contribution to journalArticlepeer-review


We examine the third-overtone absorption of diatomic molecules in the presence of a tunable field in near-third-overtone resonance using a one-dimensional anharmonic-oscillator model. We find that the tunable mode causes modulation of the absorption as a result of an intensity-induced quenching effect. At high intensities the absorption diminishes accompanied with the disappearance of the modulation. Our investigations also show that these effects are insensitive to the dephasing of the interaction.

Original languageEnglish (US)
Pages (from-to)295-298
Number of pages4
JournalPhysical Review A
Issue number1
StatePublished - 1984

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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