Closed-form solutions of coherent anti-Stokes Raman signals generated by means of time asymmetric probe pulses

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Abstract

Under impulsive excitation of vibrational and rotational levels, coherent anti-Stokes Raman scattering (CARS) is strongly dependent on the shape of the probe laser pulses. Here, we investigate this dependence for picosecond probe durations by showing for the first time that closed-form solutions are achievable not only for fundamental probe pulses (Gaussian and hyperbolic secant) but also for their time asymmetric versions that better simulate some realistic experimental conditions. Thanks to this achievement, CARS lineshapes and time decays of Raman resonances can be studied without the numerical efforts that are common in the conventional approach to time-resolved CARS.
Original languageEnglish
Pages (from-to)683 - 690
Number of pages8
JournalJournal of Raman Spectroscopy
Volume46
Issue number8
DOIs
Publication statusPublished - 1 Aug 2015

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All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Spectroscopy

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