Abstract

The effects of pump-bandwidth on spectral linewidth in three different resonant coherent anti-Stokes Raman spectroscopy (CARS) processes in molecular iodine is studied. In only one of the three resonant CARS processes an increase in bandwidth of the pump laser is reflected in a broadening of the spectral features. An investigation of the effects of laser bandwidth therefore may serve to distinguishe between different types of four-wave-mixing processes.

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