TIME-RESOLVED RAMAN-SCATTERING WITH A BROAD-BAND LASER FOR MEASUREMENT OF THE CORRELATION BETWEEN THE PUMP AND STOKES WAVES IN A RAMAN GENERATOR

We investigated the correlation between the broadband pump and Stokes waves in a Raman generator by using the technique of Time Resolved Sti mulated Raman Scattering (TSRS). In general, two pump waves and a Stok es wave are put into Raman media in TSRS. However only two pump waves were used in our experiment. A Stokes wave is generated by the pump wa ve and is mixed with the two pump waves to generate a signal Stokes wa ve. Theoretically, we would make a simple model for the first order co rrelation function between the pump and Stokes waves. Using the Chaoti c Field model for the broadband waves, a normalized average signal int ensity is calculated and is compared with the experimental results to find the parameters of the correlation function.