Abstract
Based on the solution of a system of kinetic equations, computer simulation of the dynamics of laser radiation-induced burning of spectral holes is carried out to settle the question in which of the excited states photochemical NH-tautomerization occurs in free bases of porphyrins. A method is suggested to determine experimentally the electronic state in which a displacement of internal protons occurs that leads to the burning of a hole. The method is based on measuring the time dynamics of the formation of the hole. A new approach to determining the population of electronic levels in the process of molecular rearrangement on excitation by continuous lasers is described.
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Institute of Molecular and Atomic Physics, National Academy of Sciences, 70, F. Skorina Ave., 220072, Minsk, Belarus. Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 65, No. 4, pp. 532–538, July–August, 1998.
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Stanishevskii, I.V., Solov’ev, K.N. Simulation of the dynamics of photoburning of stable spectral holes by pulsed frequency-periodic and constant sources. J Appl Spectrosc 65, 552–559 (1998). https://doi.org/10.1007/BF02675647
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DOI: https://doi.org/10.1007/BF02675647