Abstract
In a broadband coherent anti-Stokes Raman scattering (CARS) microspectroscopy with supercontinuum (SC), the simultaneously detectable spectral range is limited by the spectral continuity and simultaneity of various spectral components of SC in an enough bandwidth. According to our theoretical analysis and experiments, the optimal experimental conditions are obtained. The broadband time-resolved CARS microspectroscopy based on the SC with required temporal and spectral distributions is achieved. The global CARS spectrum with well suppressed nonresonant background noise can be obtained in a single measurement and used as the imaging contrast. It will be more helpful to provide a complete and accurate molecular atlas, and to exhibit a potential to understand not only both the solvent dynamics and the solute-solvent interactions, but also the mechanisms of chemical reactions in the fields of biology, chemistry and material science.
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