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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper QTuA4

Femtosecond laser studies of condensed-phase dynamics

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Abstract

New experiments with cis-stilbene have shown that hot traits molecules are generated in the photoreaction. An approximate internal temperature for the product molecule of 700 K is somewhat less than expected from the available energy and indicates substantial frictional loss. Geometric features of the reaction coordinate for the cis-to-trans isomerism are deduced from these and transient absorption measurements, and it is proposed that the ethylene carbon atoms move substantially after excitation.

© 1991 Optical Society of America

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