A.M. Weiner and D.E. Leaird, Bellcore G.P. Wiederrecht and K.A. Nelson
Ongoing advances in ultrafast laser technology have led to the generation and spectroscopic use of pulses whose duration is shorter than the time required for most nuclear motions—e.g., molecular translations or rotations, lattice or molecular vibrations, etc. In principle, these elementary motions can now be observed in real time.
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