Observation of Raman Self-Conversion of fs-Pulse Frequency due to Impulsive Excitation of Molecular Vibrations

G. Korn, O. Dühr, and A. Nazarkin
Phys. Rev. Lett. 81, 1215 – Published 10 August 1998
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Abstract

We report on the observation of a Raman frequency conversion mechanism different from the usual Stokes (anti-Stokes) stimulated process. A continuous down-shift of laser pulse frequency was measured for sufficiently short (40fs) pulses propagating in gaseous SF6. We attribute this behavior to the extremely nonstationary nuclear response of SF6 molecules to the light field with a duration shorter than the period of the Raman-active vibration.

  • Received 16 April 1998

DOI:https://doi.org/10.1103/PhysRevLett.81.1215

©1998 American Physical Society

Authors & Affiliations

G. Korn, O. Dühr, and A. Nazarkin

  • Max-Born Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Rudower Chaussee 6, 12489 Berlin, Germany

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Vol. 81, Iss. 6 — 10 August 1998

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