Abstract
Enhancement of relativistic third-harmonic generation by using an optically preformed periodic plasma waveguide was achieved. Resonant dependence of harmonic intensity on plasma density and density modulation parameters was observed, which is a distinct characteristic of quasi-phase-matching. The results demonstrate the potential of a modulated plasma waveguide in high-field applications.
Original language | English |
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Article number | 033901 |
Journal | Physical Review Letters |
Volume | 98 |
Issue number | 3 |
DOIs | |
State | Published - 2007 |