Concentration dependence in coherent Raman scattering

Author: Dogariu Arthur   Goltsov Alexander   Xia Hui   Scully Marlan  

Publisher: Taylor & Francis Ltd

ISSN: 1362-3044

Source: Journal of Modern Optics, Vol.55, Iss.19-20, 2008-11, pp. : 3255-3261

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Abstract

We investigate the concentration dependence of the femtosecond coherent anti-stokes Raman scattering (CARS) signals collected from several mixtures of molecules. We demonstrate a clear quadratic dependence of the transmitted CARS signal on the number of molecules of pyridine in water by looking at the Raman signal at 1030 cm-1. Using a backscattering configuration we study the quadratic concentration dependence in solid mixtures of dipicolinic acid, calcite, and gypsum in powder form.