Abstract
The line positions and linewidths of photoelectron spectra arising from multiphoton ionization are analyzed for the first reported time in the subpicosecond (0.5-1.0-psec) region. Measurements performed with 248-nm radiation at an intensity level for which the quiver energy of the free-electron motion is comparable with the photon energy are reported. The short-pulse property causes the photoelectron energy to become a dynamical variable associated with the process of ionization and significantly influences both the line positions and the linewidths of the observed electron spectra. © 1987, Optical Society of America.
| Original language | English |
|---|---|
| Pages (from-to) | 847-852 |
| Number of pages | 6 |
| Journal | Journal of the Optical Society of America B: Optical Physics |
| Volume | 4 |
| Issue number | 5 |
| DOIs | |
| State | Published - Jan 1 1987 |
| Externally published | Yes |
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