Subpicosecond Time Resolved Multiphoton Ionization: Excited State Dynamics of CIS-Stilbene under Collision Free Conditions
We report the results of a novel subpicosecond measurement performed on a cis-stilbene in the vapor phase. As will be described below, we have extended a well-known pulsed laser technique1,2 into the 10−13 sec time regime, and choose to focus renewed scientific attention on the dynamics of stilbene photoisomerization. We believe this measurement will establish the technique of gas phase multiphoton ionization as a viable and potentially powerful subpicosecond probe of intramolecular dynamics.
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