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Nonlinear optical response of excitons in small ring clusters

✍ Scribed by Frank C. Spano; Frank B. Gallagher


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
283 KB
Volume
60-61
Category
Article
ISSN
0022-2313

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Femtosecond nonlinear optical dynamics o
✍ Kaoru Minoshima; Makoto Taiji; Kazuhiko Misawa; Takayoshi Kobayashi πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 523 KB

Time-resolved difference absorption spectra of J-aggregates were measured by femtosecond pump-probe spectroscopy. The induced absorption near the J-band at 20 K was assigned to the transitions from n-exciton states to ( n + 1 )-exciton states (n 2 1) . The decay time of the n( > 2)-exciton states is