Coherence Phenomena in Atoms and Molecules in Laser Fields

1. Front Matter

   Pages i-ix

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2. Atoms in Intense Laser Fields

   1. Search for the “Direct” Channel in Multiphoton Double Ionization of Magnesium with Femtosecond Pulses

      • R. Trainham, N. J. van Druten, L. D. Noordam, H. G. Muller, P. Breger, G. Petite et al.

      Pages 1-10

   2. Inhibition of Atomic Ionization in Strong Laser Fields

      • Bernard Piraux, Etienne Huens

      Pages 11-23

   3. A Hydrogen Atom in an Intense, High Frequency, Short Pulse Laser

      • X. Tang, S. Basile, P. Lambropoulos

      Pages 25-30

   4. Application of the Finite Element Method to the 3-D Hydrogen Atom in an Intense Laser Field

      • Hengtai Yu, André D. Bandrauk, Vijay Sonnad

      Pages 31-43

   5. Optical Analogs of Model Atoms in Fields

      • P. W. Milonni

      Pages 45-51

3. Molecules in Intense Laser Fields

   1. Above-Threshold Photodissociation and Bond Softening at High Intensities

      • P. H. Bucksbaum, A. Zavriyev

      Pages 53-63

   2. An Artificial Channel Procedure for Multiphoton Absorption Lineshape and Branching Ratios in Intense Laser Fields: Application to H ⁺₂ Photodissociation

      • Salvador Miret-Artés, Osman Atabek, André D. Bandrauk

      Pages 65-74

   3. Intense Field Dynamics of Diatomic Molecules

      • L. F. DiMauro, B. Yang, M. Saeed

      Pages 75-88

   4. Calculation of Potential Curves for H 2 + Molecules in a Strong Laser Field

      • H. G. Muller

      Pages 89-98

   5. Intense-Field Photoionization of H2

      • Sarah W. Allendorf

      Pages 99-108

   6. Excitation of Molecular Hydrogen in Intense Laser Fields

      • H. Helm, M. J. Dyer, H. Bissantz, D. L. Huestis

      Pages 109-123

   7. High Intensity Molecular Multiphoton Ionization

      • G. N. Gibson, R. R. Freeman, T. J. McIlrath

      Pages 125-131

   8. Competition Between Multiple Ionization and Dissociation of Diatomic Molecules

      • D. Normand, C. Cornaggia, J. Morellec

      Pages 133-145

   9. Charge-Symmetric Fragmentation of Diatomic Molecules in Intense Picosecond Laser Fields

      • L. J. Frasinski, K. Codling, P. A. Hatherly

      Pages 147-151

   10. Intermediate States in Multiphoton Fragmentation of Small Molecules

       • W. T. Hill III, S. Yang, D. L. Hatten, Y. Cui, J. Goldhar, J. Zhu

       Pages 153-161

   11. Intense CO2 Laser Ionization of D2O Vapour

       • J. E. Decker, G. Xu, S. L. Chin

       Pages 163-174

   12. Excitation of Molecules and Solids with Intense Subpicosecond Ultraviolet Radiation

       • T. S. Luk, D. A. Tate, A. McPherson, K. Boyer, C. K. Rhodes

       Pages 175-190

4. Atomic Coherences

   1. Coherence in Strong Field Harmonic Generation

      • Anne L’Huillier, Philippe Balcou, Kenneth J. Schafer, Kenneth C. Kulander

      Pages 191-202

   2. Chirp-Controlled Interference in Two-Photon Processes

      • B. Broers, L. D. Noordam, H. B. van Linden van den Heuvel

      Pages 203-212

This volume contains the lectures and communications presented at the NATO Advanced Research Workshop (NATO ARW 900857) which was held May 5-10, 1991 at McMaster University, Hamilton, Ontario, Canada. A scientific commitee made up of P.P. Lambropoulos (USC & Crete), P.8. Corkum (NRC, Ottawa), and H. B. vL. van den Heuvell (FOM, Amsterdam) guided the organizers, A.D. Bandrauk (Sherbrooke) and S.C. Wallace (Toronto) in preparing a programme which would cover the latest advances in the field of atom and molecule laser interactions. Since the last meeting held in July 1987 on "Atomic and Molecular Processes with Short Intense Laser Pulses", NATO ASI vol 1718 (Plenum Press 1988), considerable progress has been made in understanding high intensity effects on atoms and the concomitant coherence effects. After four years, the emphasis is now shifting more to molecules. The present volume represents therefore this trend with four sections covering the main interests of research endeavours in this area: i) Atoms in Intense Laser-Fields ii) Molecules in Intense Laser Fields iii) Atomic Coherences iv) Molecular Coherences The experience developed over the years in multiphoton atomic processes has been very useful and is the main source of our understanding of similar processes in molecules. Thus ATI (above­ threshold ionization) has been found to occur in molecules as well as a new phenomenon, ATD (above-threshold dissociation). Laser-induced avoided crossings of molecular electronic surfaces is also now entering the current language of high intensity molecular processes.

• analog
• communication
• diatomic molecule
• laser
• model
• molecule

• Université de Sherbrooke, Sherbrooke, Canada

  André D. Bandrauk

• University of Toronto, Toronto, Canada

  Stephen C. Wallace

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