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Issue 12, 2000
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The ultrafast optical Kerr effect in liquid fluoroform: an estimate of the collision-induced contribution

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Abstract

The ultrafast optical Kerr effect (OKE) of liquid fluoroform at 296 K and 125 bar has been measured with 25 fs pulses. Results are compared to those of chloroform which is structurally similar. The nuclear response in fluoroform is ca. 110 times weaker than in chloroform. Diffusive relaxation of the anisotropy with 0.80±0.10 ps time constant is assigned to rotational motion. The OKE spectral density is compared to the far-infrared spectra of liquid fluoroform with a power law which relates the corresponding relaxation functions. It follows that collision-induced effects account for 25–30% of the OKE spectral integral.

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Publication details

The article was received on 02 Feb 2000, accepted on 14 Apr 2000 and first published on 30 May 2000


Article type: Paper
DOI: 10.1039/B000914H
Citation: Phys. Chem. Chem. Phys., 2000,2, 2691-2697
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    The ultrafast optical Kerr effect in liquid fluoroform: an estimate of the collision-induced contribution

    T. F. Laurent, H. Hennig, N. P. Ernsting and S. A. Kovalenko, Phys. Chem. Chem. Phys., 2000, 2, 2691
    DOI: 10.1039/B000914H

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