Long Seminars Photoacoustics and Deexcitation Processes in Condensed Media
In this article, we present a brief introduction to the field of photoacoustics, outlining its principles, methodology and some of its capabilities. We then discuss in some detail the application of this new technique to the study of deexcitation processes in condensed media, both solid and liquid. The deexcitation processes covered include radiationless (heat-producing) deexcitation, radiative deexcitation, photochemical deexcitation, and photovoltaic deexcitation. Photoacoustic experiments involving these different deexcitation modes are described.
KeywordsPhotoacoustic Spectroscopy Photoacoustic Signal Purple Membrane Photoacoustic Cell Thermal Diffusion Length
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