Abstract
Methods for simultaneous measurements of more than one flow velocity component using coherent Raman spectroscopy are proposed. It is demonstrated that using a kilowatt broad-band probe pulse (3–30 GHz) along with a megawatt narrow-band pump pulse (∼100 MHz), coherent Raman signal resulting from a single laser pulse is sufficient to produce a high-resolution Raman spectrum for a velocity measurement.
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This work was supported in part by the National Aeronautics and Space Administration under Grant NSG 1594