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Holzapfel, Wolfgang; Leonhardt, R.; Zinth, Wolfgang (Dezember 1988): The influence of phase-modulation on femtosecond time-resolved coherent Raman spectroscopy. In: Applied Physics B, Lasers and Optics, Nr. 47: S. 307-312
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Abstract

The influence of phase-modulation on femtosecond time-resolved coherent Raman scattering is investigated theoretically and experimentally. The coherent Raman signal taken as a function of the spectral position shows unexpected temporal oscillations close to time zero. A theoretical analysis of the coherent Raman scattering process indicates that the femtosecond light pulses are amplitude and phase modulated. The pulses are asymmetric in time with more slowly decaying trailing wings. The phase of the pulse amplitude contains quadratic and higher-order contributions.