Exciton annihilation versus excited state absorption and stimulated emission effects in laser studies of fluorescence quenching of chlorophyll in vitro and in vivo

N. E. Geacintov, D. Husiak, T. Kolubayev, J. Breton, A. J. Campillo, S. L. Shapiro, K. R. Winn, P. K. Woodbridge

Research output: Contribution to journalArticlepeer-review

Abstract

The suggestion made by Hindman et al. that the decrease in fluorescence yield of chrorophyll a in vivo as a function of laser pulse intensity may be due to stimulated emission and/or excited state absorption effects, is examined critically. It is concluded that the contributions of these effects in previous picosecond pulse experiments is negligible.

Original languageEnglish (US)
Pages (from-to)154-158
Number of pages5
JournalChemical Physics Letters
Volume66
Issue number1
DOIs
StatePublished - Sep 15 1979

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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