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Holding and Spinning Molecules in Space

Simon S. Viftrup, Vinod Kumarappan, Sebastian Trippel, Henrik Stapelfeldt, Edward Hamilton, Tamar Seideman
2007 Physical Review Letters  

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We illustrate, experimentally and theoretically, a laser-based method to control the rotations of polyatomic molecules in 3D space. A linearly polarized nanosecond pulse strongly aligns the most polarizable axis of an asymmetric top molecule along its polarization axis while an orthogonally polarized, femtosecond pulse sets the molecules into controlled rotation about the aligned axis. As a result, strong three-dimensional (3D) alignment occurs shortly after the femtosecond pulse and is
more » ... periodically, reflecting coherent revolution about the molecular axis. Our method opens new directions for research in orientationally confined complex molecules.
doi:10.1103/physrevlett.99.143602 pmid:17930670 fatcat:iystedettvevfeeonzpezyqja4
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Simon S. Viftrup, Vinod Kumarappan, Sebastian Trippel, Henrik Stapelfeldt, Edward Hamilton, Tamar Seideman. "Holding and Spinning Molecules in Space." Physical Review Letters 99.14 (2007)