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Simultaneous measurement of real and imaginary parts of nonlinear susceptibility for the verification of the Kramers–Kronig relations in femtosecond spectroscopy by Hideaki Kano; Takayoshi Kobayashi is a Engineering article available to read on EtoBox.
What is Simultaneous measurement of real and imaginary parts of nonlinear susceptibility for the verification of the Kramers–Kronig relations in femtosecond spectroscopy about?
Simultaneous measurement of continuous spectra of real and imaginary parts of complex nonlinear optical susceptibility was performed for porphyrin J-aggregates with sharp absorption peaks using a femtosecond Sagnac interferometer. A Ž Ž3. . Ž Ž3. . nonresonant component x due to a solvent and a resonant component x due to the porphyrin J-aggregates are NR R Ž . observed. The real and imaginary parts are compared using the Kramers-Kronig KK relations, which are valid for linear optical susceptibility. It is shown that x Ž3. satisfies the KK relations at all delay times. On the other hand, x Ž3. does not R NR satisfy the KK relations at zero delay time. The validity of the KK relations, which have been reported in previous papers by our group, are verified for the first time experimentally using continuous spectra.
Who reads Simultaneous measurement of real and imaginary parts of nonlinear susceptibility for the verification of the Kramers–Kronig relations in femtosecond spectroscopy?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Hideaki Kano; Takayoshi Kobayashi
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0030-4018)
- Published
- 2000
- Language
- EN
- Field
- Engineering (Physical Sciences)