Abstract
Two-dimensional vibrational spectroscopy based on infrared third-order nonlinear techniques it being used to reveal information on complex molecular structure and dynamics in solution. Two-dimensional spectra derived from heterodyne-detection of nonlinear signals using different femtosecond mid-infrared pulse sequences can be used to reveal couplings and orientation between vibrational coordinates and the correlated dynamics of these coupled coordinates. Thus, these two-dimensional spectra can be used to capture transient molecular conformation or collective structure, characterize the dynamics of these structures, observe dynamics of intra-and inter-molecular interactions, and characterize relaxation and spectral broadening mechanisms.
© 2002 Optical Society of America
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