H2 in Intense Laser Radiation — Multiphoton Two Electron Direct Processes

Munir H Nayfeh, J. Mazumder, D. C. Humm

Research output: Chapter in Book/Report/Conference proceedingChapter


We have observed ions with energies of up to 12.5 eV from a sample of molecular hydorgen subjected to an intense 28 ns, 308 nm laser beam. We show that these ions are strong evidence for a two-electron many-photon direct collective process, and discuss the nature of this process. The rapid dissociation occurs on a femtosecond timescale from an initial internuclear separation as short as 0.58 Å, well within the classically forbidden region.
Original languageEnglish (US)
Title of host publicationAtomic Spectra and Collisions in External Fields
EditorsK. T. Taylor, M. H. Nayfeh, C. W. Clark
ISBN (Electronic)9781461310617
ISBN (Print)9781461283157, 9780306431470
StatePublished - 1988

Publication series

NamePhysics of Atoms and Molecules


  • Dissociative Ionization
  • Photon Resonance
  • Internuclear Separation
  • Coulomb Explosion
  • Multiphoton Ionization


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