Abstract
Through multiphoton ionization measurements, we have observed the interference of five-photon and internally generated fifth-harmonic excitation processes in J=1 even-odd parity resonant transitions in Xe and Ar. In agreement with theory, these five-photon resonances are not observable in single-pass laser beams, but are convincingly observed in counterpropagating beams. In the negatively dispersive regions of the 5d[3/2]0J=1 level of Xe, tunable fifth-harmonic light is generated by phase matching with various buffer-gas mixtures. The fifth-harmonic profiles are in good agreement with calculated phase-matching curves.
| Original language | English |
|---|---|
| Pages (from-to) | 5032-5037 |
| Number of pages | 6 |
| Journal | Physical Review A |
| Volume | 35 |
| Issue number | 12 |
| DOIs | |
| State | Published - 1987 |
Scopus Subject Areas
- Atomic and Molecular Physics, and Optics
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