Abstract

The process of above-threshold ionization of atoms is modeled by dividing it into two parts: an effective interaction that just lifts the electron into the continuum and a final state interaction between the electron and the laser field that is described by the Volkov solution. With an arbitrary unspecified effective interaction, the model readily exhibits peak switching and a reduced index of nonlinearity of the first peak. With the assumption of appropriate boundary conditions, peak suppression is obtained owing to the ponderomotive force. The consequences of modifying some of the assumptions that underlie the model are discussed.

© 1987 Optical Society of America

Study of a plane-wave final-state theory of above-threshold ionization and harmonic generation

Jonathan Parker and Charles W. Clark
J. Opt. Soc. Am. B 13(2) 371-379 (1996)

Intensity, pulse width, and polarization dependence of above-threshold-ionization electron spectra

Guillaume Petite, Pierre Agostini, and François Yergeau
J. Opt. Soc. Am. B 4(5) 765-769 (1987)

Electron spectra of above-threshold ionization in a spatially inhomogeneous field

S. P. Goreslavsky, N. B. Narozhny, and V. P. Yakovlev
J. Opt. Soc. Am. B 6(9) 1752-1756 (1989)

Role of the ponderomotive potential in above-threshold ionization

P. H. Bucksbaum, R. R. Freeman, M. Bashkansky, and T. J. McIlrath
J. Opt. Soc. Am. B 4(5) 760-764 (1987)

Diagonal versus off-diagonal continuum–continuum couplings in the above-threshold ionization of hydrogen

Marek Trippenbach
J. Opt. Soc. Am. B 4(9) 1429-1433 (1987)