Abstract
Recent holographic relaxation spectroscopy (HRS) experiments can be explained in terms of multiple-laser-induced gratings. It is shown that diffraction may result either from intrinsic differences in the optical properties of ground and excited states or from differences in their transport properties. The effects of photoinduced changes in diffusion coefficients and electrophoretic mobilities are treated. It is suggested that photoinduced molecular dissociation can be studied by means of HRS without the necessity of photochromic labeling.
© 1985 Optical Society of America
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