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Anne L'Huillier

Anne l'Huillier

Professor

Anne L'Huillier

Multiply charged ions induced by multiphoton absorption processes in rare-gas atoms at 1.064μm

Author

  • A. L'Huillier
  • L. A. Lompre
  • G. Mainfray
  • C. Manus

Summary, in English

Multiply charged ions are easily formed in rare gases by multiphoton absorption processes. For Kr and Xe up to quadruply charged ions are formed. They are induced by a bandwidth-limited 50 ps laser pulse at 1.064 W cm -2 intensity range. Doubly charged ions are formed through the absorption of a very large number of photons (29 for Xe) in a direct transition from the ground state of the atom to the second ionisation limit. The percentage of Xe2+ ions relative to Xe+ ions is 1% at 10 13 W cm-2, and reaches 20% at 1014 W cm -2. At 1.06 mu m, the removal of two electrons from the ground state of rare-gas atoms in a single step is responsible for the creation of doubly charged ions. This could be a general rule for atoms which have two or more electrons in the outer shell.

Publishing year

1983-12-01

Language

English

Pages

1363-1381

Publication/Series

Journal of Physics B: Atomic and Molecular Physics

Volume

16

Issue

8

Document type

Journal article

Publisher

Institute of Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0022-3700