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Mittwoch, 04.07.2018, 14:00 Uhr
Seminarraum HI-Jena, Fröbelstieg 3
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Enhanced Harmonic Generation in Relativistic Laser Plasma Interaction

Erich Eckner

High harmonic generation on solid targets is considered a promising route towards compact sources for intense and ultrashort XUV and X-Ray pulses. The intensity of emitted harmonic radiation usually reduces with increasing harmonic order. In contrast, we report the enhancement of individual harmonics generated at an ultra-steep plasma vacuum interface. Theory and simulations show that the enhancement of selected harmonics can be described by the reflection of the incident laser pulse at a relativistic mirror oscillating at both the laser and the plasma frequency.