ISSN:
1077-3118
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
Second-order hyperpolarizabilities have been calculated by the three-level model for systems having low-energy double transitions. In the three-level model, the second excited state, in addition to the first excited and ground states, is explicitly taken into account. The second-order hyperpolarizabilities calculated by the three-level model gave excellent agreement with the observed values determined by the dc induced second harmonic generation technique, for 4-aminostilbene, p-nitroaniline, and 2-methyl-4-nitroaniline.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.98989
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