Holding and spinning molecules in space

Simon S. Viftrup*, Vinod Kumarappan, Sebastian Trippel, Henrik Stapelfeldt, Edward Hamilton, Tamar Seideman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

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 repeated periodically, reflecting coherent revolution about the molecular axis. Our method opens new directions for research in orientationally confined complex molecules.

Original languageEnglish (US)
Article number143602
JournalPhysical review letters
Volume99
Issue number14
DOIs
StatePublished - Oct 5 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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