Two-photon absorption and two-photon induced absorption of liquid toluene at 347.15 nm

被引:0
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作者
S.-H. Gong
A. Penzkofer
机构
[1] Universität Regensburg,Institut II – Experimentelle und Angewandte Physik
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关键词
excited-state absorption; excited-state relaxation; toluene; two-photon absorption; two-photon ionization;
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摘要
Pump pulse transmission and time-delayed probe pulse transmission measurements through liquid toluene were performed with linear and circular polarized second harmonic pulses of a mode-locked ruby laser system. Two-photon absorption and two-photon induced absorption are observed. The induced absorption anisotropy is investigated. A theory of two-photon absorption in isotropic media is presented. The two-photon absorption cross-section components, the effective excited-state absorption cross-section, the absorption anisotropy relaxation time and the excited singlet-state relaxation time are determined.
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页码:1145 / 1170
页数:25
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