Localization of the pump-induced electron interaction and of spin-orbital coupling or the near-lying singlet and triplet excited states in the impurity generation of light in series multiatomic molecules

Alexandr Evganyevic Obukhov

doi:10.1117/12.562183

20 April 2004 Localization of the pump-induced electron interaction and of spin-orbital coupling or the near-lying singlet and triplet excited states in the impurity generation of light in series multiatomic molecules

Alexandr Evganyevic Obukhov

Author Affiliations +

Proceedings Volume 5402, International Workshop on Quantum Optics 2003; (2004) https://doi.org/10.1117/12.562183
Event: International Workshop on Quantum Optics 2003, 2003, St. Petersburg, Russian Federation

Abstract

The photophysical properties of some new and also some known complex organic molecules emission and generated radiations in the wavelength interval ▵λ^max _osc,fl ≈ 340-760 nm have been studied in a wide range of organic solvent. Specifically, these molecules are based on phenyl-, furyl-, thienyl-oxazoles and oxadiazoles to compile a quasihomological series. Using the measured values of the extinction (ε^v_abs), the fluorescence quantum yields (γ _fl), and the fluorescence lifetime (τ _fl), we calculated rate constants for radiative decay (k _fl), and intercombination conversion (k_ST), along with the cross sections for absorption (σ^max₁₃), and stimulated emission of radiation (σ^osc₃₁). We also found the longest limit pump-pulse rise time (t_lp) for which generate of the oscillations active molecules. Within the framework of the method of spectral-quantum-chemistry modeling LCAO-MO CSF CI INDO/S, CNDO/S, and PPP/S of structure and optical and nonoptical properties for the multiatomic molecules.

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Alexandr Evganyevic Obukhov "Localization of the pump-induced electron interaction and of spin-orbital coupling or the near-lying singlet and triplet excited states in the impurity generation of light in series multiatomic molecules", Proc. SPIE 5402, International Workshop on Quantum Optics 2003, (20 April 2004); https://doi.org/10.1117/12.562183

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