Study on Ultrafast Dynamic Behaviors of Different Nonlinear Refractive Index Components in CS 2 Using a Femtosecond Interferometer
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概要
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We investigated time responses of components parallel $n_{2 /\kern-2pt/} (t)$ and perpendicular n2 ⊥(t) to pump polarization of the nonlinear refractive index in CS2 and its dilute solutions using a femtosecond time division interferometer. The temporal profiles of $n_{2 /\kern-2pt/}(t)$ and n2 ⊥(t) were decomposed into the electronic, fast- and slow-decay nuclear contributions based on the response time. The magnitudes, signs and time constants of these three contributions of $n_{2 /\kern-2pt/}(t)$ and n2 ⊥(t) were also evaluated with high accuracy. Moreover, the $n_{2 /\kern-2pt/} (t)$ and n2 ⊥(t) measurements in the dilute CS2 solutions showed that the ratio between the fast-decay contributions of time responses of $n_{2 /\kern-2pt/} (t)$ and n2 ⊥ (t) was the same value as that between the slow-decay contributions. This result is explained using a cluster model.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1997-04-15
著者
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SATO Yasuhiro
Department of Applied Physics, Hokkaido University
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Yamashita Mikio
Department Of Applied Physics Hokkaido University
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Morita Ryuji
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Yamashita Mikio
Department of Applied Physics, Hokkaido University, Kita-13, Nishi-8, Kita-ku, Sapporo 060, Japan
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Morita Ryuji
Department of Applied Physics, Hokkaido University, Kita-13, Nishi-8, Kita-ku, Sapporo 060, Japan
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