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The variety of information about ultrafast processes in condensed matter that can be obtained applying picosecond vibrational spectroscopy is discussed on the example of a quite elaborate experimental setup for infrared double resonance spectroscopy; a novel comprehensive single-shot polarization analysis is described. On the basis of experimental data obtained with this system on simple liquids (CHBr(3),...
Transient hole burning experiments on the OH bands of hydrogen bonded liquids (ethanol/ CCl 4 mixtures, isotopically diluted ethanol and water) with picosecond pulses are reported and discussed. Vibrational hole burning in the Anti-Stokes Raman scattering from ethanol:CCl 4 is observed for the first time. Very short effective vibrational lifetimes =< 4 ps are found in each case;...
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