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Ohmura H, Nakanaga T, Tachiya M. Coherent control of photofragment separation in the dissociative ionization of IBr. Phys Rev Lett. 2004;92(11):113002doi: 10.1103/PhysRevLett.92.113002.
Ohmura, H., Nakanaga, T., & Tachiya, M. (2004). Coherent control of photofragment separation in the dissociative ionization of IBr. Physical review letters, 92(11), 113002. https://doi.org/10.1103/PhysRevLett.92.113002
Ohmura, Hideki, et al. "Coherent control of photofragment separation in the dissociative ionization of IBr." Physical review letters vol. 92,11 (2004): 113002. doi: https://doi.org/10.1103/PhysRevLett.92.113002
Ohmura H, Nakanaga T, Tachiya M. Coherent control of photofragment separation in the dissociative ionization of IBr. Phys Rev Lett. 2004 Mar 19;92(11):113002. doi: 10.1103/PhysRevLett.92.113002. Epub 2004 Mar 18. PMID: 15089130.
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Phys Rev Lett. 2004 Mar 19;92(11):113002. doi: 10.1103/PhysRevLett.92.113002. Epub 2004 Mar 18.

Coherent control of photofragment separation in the dissociative ionization of IBr.

Physical review letters

Hideki Ohmura, Taisuke Nakanaga, M Tachiya

Affiliations

  1. Photoreaction Control Research Center, National Institute of Science and Technology (AIST), Higashi 1-1-1, Tsukuba, Ibaraki 305-8565, Japan.

PMID: 15089130 DOI: 10.1103/PhysRevLett.92.113002

Abstract

We have investigated coherent control of the dissociative ionization of IBr using phase-controlled two-color omega+2omega laser pulses with an intensity of 1.0 x 10(12) W/cm and a pulse duration of 130 fs. The directional asymmetries of the photofragment angular distributions showed oscillation behavior dependent on the relative phase difference between the omega and 2omega pulses. The phase dependencies of the directional asymmetries observed for iodine ions and bromine ions were out of phase with each other. This result shows that a phase-controlled omega+2omega optical field can produce molecular orientation in which the optical field discriminates between parallel and antiparallel configuration of molecules that have a permanent dipole.

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