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Nonresonant femtosecond second hyperpolarizabilities of intramolecular charge-transfer molecules with great excited- and ground-state dipole-moment differences

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Title: Nonresonant femtosecond second hyperpolarizabilities of intramolecular charge-transfer molecules with great excited- and ground-state dipole-moment differences
Authors: Yamashita, Mikio1 Browse this author →KAKEN DB
Kikuma, Shinji Browse this author
Yamaoka, Yoshihisa Browse this author
Murakami, Hidetoshi Browse this author
Morita, Ryuji Browse this author →KAKEN DB
Shigekawa, Hidemi Browse this author
Authors(alt): 山下, 幹雄1
Issue Date: 5-Jul-1999
Publisher: American Institute of Physics
Journal Title: Applied Physics Letters
Volume: 75
Issue: 1
Start Page: 28
End Page: 30
Abstract: The femtosecond second hyperpolarizability due to the nonresonant electronic polarization for two intramolecular charge-transfer molecules, 6-propionyl-2-dimethylamino naphthalene and 2-anilinonaphthalene-6-sulfonic acid which possess the great permanent dipole-moment difference between the excited state and the ground state, is obtained from the measurement of the ultrafast change in refractive index using a time-resolved interferometer. It is found that the second hyperpolarizability increases parabolically from 5 × 10–34 to 4.3 × 10–32 esu with increasing the dipole-moment difference from 7.7 to 40 D, and this quantitative relationship is well explained by a quantum-mechanical equation describing the electronic second hyperpolarizability of one molecule with the permanent dipole-moment difference.
Rights: Copyright © 1999 American Institute of Physics
Relation: http://www.aip.org/
Type: article
URI: http://hdl.handle.net/2115/6078
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山下 幹雄

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