Numéro |
Rev. Phys. Appl. (Paris)
Volume 22, Numéro 12, décembre 1987
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Page(s) | 1773 - 1785 | |
DOI | https://doi.org/10.1051/rphysap:0198700220120177300 |
Rev. Phys. Appl. (Paris) 22, 1773-1785 (1987)
DOI: 10.1051/rphysap:0198700220120177300
Department of Physics, Faculty of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
4265J - Beam trapping, self focusing, thermal blooming, and related effects.
7847 - Ultrafast optical measurements in condensed matter.
Key words
carbon compounds -- nonlinear optics -- optical Kerr effect -- organic compounds -- polymer films -- femtosecond relaxation processes -- electronic dephasing -- optical Kerr effect relaxation -- nonlinear materials -- incoherent light -- short time measurements -- temporally incoherent light -- polydiacetylene film -- vibrational dephasing -- dimethylsulfoxide liquid -- nitrobenzene -- femtosecond time resolution -- CS sub 2
DOI: 10.1051/rphysap:0198700220120177300
Femtosecond relaxation processes in nonlinear materials studied with incoherent light
T. Kobayashi, T. Hattori, A. Terasaki et K. KurokawaDepartment of Physics, Faculty of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
Abstract
Three types of short-time measurements using temporally incoherent light instead of short pulses are described. Electronic dephasing in a polydiacetylene film, vibrational dephasing in dimethylsulfoxide liquid, and relaxation of optical Kerr effect in CS2 and nitrobenzene were observed with femtosecond time resolution.
Résumé
Trois types de mesures rapides utilisant une lumière temporellement incohérente plutôt que des impulsions courtes sont décrites. Le déphasage électronique dans un film de polydiacétylène, le déphasage vibrationnel dans le diméthyl sulfoxyde liquide et la relaxation de l'effet Kerr optique dans le CS 2 et dans le nitrobenzène sont observés avec une résolution femtoseconde.
4265J - Beam trapping, self focusing, thermal blooming, and related effects.
7847 - Ultrafast optical measurements in condensed matter.
Key words
carbon compounds -- nonlinear optics -- optical Kerr effect -- organic compounds -- polymer films -- femtosecond relaxation processes -- electronic dephasing -- optical Kerr effect relaxation -- nonlinear materials -- incoherent light -- short time measurements -- temporally incoherent light -- polydiacetylene film -- vibrational dephasing -- dimethylsulfoxide liquid -- nitrobenzene -- femtosecond time resolution -- CS sub 2