Resonance heterodyne optical Kerr effect spectroscopy of population wave packets with intense chirped pulses

We propose a new method for studying the time evolution of population wavepackets in the ground and excited states of a large dye molecule dissolved in polar liquids: resonance heterodyned optical Kerr effect (HOKE) technique with intense chirped pulses. We found a profound effect on both the ground and excited state transient populations using intense positively and negatively chirped pulses. The dump process is very effective when the sample is excited by negatively chirped intense pulses.