Internuclear-distance and angle dependence of strong-field ionization rates of UV-dissociated halomethanes.

POSTER

Abstract

The dependence of the strong-field ionization rates of iodine-containing halomethanes on the iodine-carbon internuclear-distance and the orientation of molecular bonds with respect to the polarization direction of an infrared laser field is investigated utilizing a UV pump-NIR probe technique. Excitation at 258 nm initiates a resonant single-photon absorption cleaving the carbon-iodine bond. A subsequent NIR laser pulse ionizes the dissociating molecule at different delays. Measuring single and double ionization rates as a function of pump-probe delay allows the determination of their internuclear-distance dependence. Furthermore, by determining the delay-dependence of the fragment ion angular distributions, the gradual transition of the ionization from the molecular to the atomic limit is probed. \textit{Supported by the U.S. Department of Energy under grant no.~DE-FG02-86ER13491}.

Authors

  • F. Ziaee

    Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, USA

  • K. Borne

    Kansas State University

  • Kanaka Raju P.

    Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, USA, J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506 USA

  • R. Forbes

    University of Ottawa, Canada, University College London, University of Ottawa, Stanford University

  • B. Kaderiya

    Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University

  • Y. Malakar

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, USA, Kansas State University

  • T. Severt

    J.R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA, Kansas State University, J. R. Macdonald Laboratory, Kansas State University, J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506 USA, J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA

  • I. Ben-Itzhak

    J.R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, USA, J. R. Macdonald Laboratory, Physics Department, Kansas State University, J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506 USA

  • A. Rudenko

    Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University

  • D. Rolles

    J.R. Macdonald Laboratory, Kansas State University, USA, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University