Abstract

A comprehensive investigation of pulsed photothermal deflection spectroscopy in a flowing medium has been carried out. A rigorous solution of the appropriate diffusion equation has been obtained, and experiments have been conducted to verify the theoretical predictions. Absolute measurements of the photothermal deflection were made and no adjustable parameters were used in the theory. Very good agreement between the theory and the experiment was obtained.

© 1986 Optical Society of America

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