Nonadiabatic laser-induced alignment of iodobenzene molecules

Emmanuel Péronne; Mikael D. Poulsen; Henrik Stapelfeldt; Christer Z. Bisgaard; Edward Hamilton; Tamar Seideman

doi:10.1103/PhysRevA.70.063410

Nonadiabatic laser-induced alignment of iodobenzene molecules

Emmanuel Péronne^*, Mikael D. Poulsen, Henrik Stapelfeldt, Christer Z. Bisgaard, Edward Hamilton, Tamar Seideman

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

The alignment dynamics of an asymmetric top molecule was studied using a combination of quantum dynamical theory and time-resolved photofragment imaging. The alignment dynamics characterized by the angular distribution of molecular orientation and by the expectation value of <cos²θ>, was computed and measured at different intensities and for different rotational temperatures. The alignment was observed to have reached to maximum after the laser pulse under field free conditions. It was found that time delay between the pulse and the alignment maxima, as well as the temporal duration of the alignment prior to dephasing was controllable, through choice of the pulse duration and intensity.

Original language	English (US)
Article number	063410
Pages (from-to)	063410-1-063410-9
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	70
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevA.70.063410
State	Published - Dec 2004

Funding

We acknowledge excellent support from Jan Thøgersen and from the technical staff members at the Department of Chemistry and the Department of Physics and Astronomy, University of Aarhus. This work was supported by the National Science Foundation, by the Carlsberg Foundation, and by the Danish Natural Science Research Council.

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.70.063410

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title = "Nonadiabatic laser-induced alignment of iodobenzene molecules",

abstract = "The alignment dynamics of an asymmetric top molecule was studied using a combination of quantum dynamical theory and time-resolved photofragment imaging. The alignment dynamics characterized by the angular distribution of molecular orientation and by the expectation value of 2θ>, was computed and measured at different intensities and for different rotational temperatures. The alignment was observed to have reached to maximum after the laser pulse under field free conditions. It was found that time delay between the pulse and the alignment maxima, as well as the temporal duration of the alignment prior to dephasing was controllable, through choice of the pulse duration and intensity.",

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note = "Funding Information: We acknowledge excellent support from Jan Th{\o}gersen and from the technical staff members at the Department of Chemistry and the Department of Physics and Astronomy, University of Aarhus. This work was supported by the National Science Foundation, by the Carlsberg Foundation, and by the Danish Natural Science Research Council.",

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AU - Péronne, Emmanuel

AU - Poulsen, Mikael D.

AU - Stapelfeldt, Henrik

AU - Bisgaard, Christer Z.

AU - Hamilton, Edward

AU - Seideman, Tamar

N1 - Funding Information: We acknowledge excellent support from Jan Thøgersen and from the technical staff members at the Department of Chemistry and the Department of Physics and Astronomy, University of Aarhus. This work was supported by the National Science Foundation, by the Carlsberg Foundation, and by the Danish Natural Science Research Council.

PY - 2004/12

Y1 - 2004/12

N2 - The alignment dynamics of an asymmetric top molecule was studied using a combination of quantum dynamical theory and time-resolved photofragment imaging. The alignment dynamics characterized by the angular distribution of molecular orientation and by the expectation value of 2θ>, was computed and measured at different intensities and for different rotational temperatures. The alignment was observed to have reached to maximum after the laser pulse under field free conditions. It was found that time delay between the pulse and the alignment maxima, as well as the temporal duration of the alignment prior to dephasing was controllable, through choice of the pulse duration and intensity.

AB - The alignment dynamics of an asymmetric top molecule was studied using a combination of quantum dynamical theory and time-resolved photofragment imaging. The alignment dynamics characterized by the angular distribution of molecular orientation and by the expectation value of 2θ>, was computed and measured at different intensities and for different rotational temperatures. The alignment was observed to have reached to maximum after the laser pulse under field free conditions. It was found that time delay between the pulse and the alignment maxima, as well as the temporal duration of the alignment prior to dephasing was controllable, through choice of the pulse duration and intensity.

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Nonadiabatic laser-induced alignment of iodobenzene molecules

Abstract

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