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Article
Plasma mirrors for ultrahigh-intensity optics
Specular reflection is one of the most fundamental processes of optics. At moderate light intensities generated by conventional light sources this process is well understood. But at those capable of being prod...
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Article
Coherent dynamics of plasma mirrors
Emission coherence is crucial to the potential of future X-ray sources based on high-order harmonic generation from laser-driven plasmas. Contrary to expectations, coherent emission is possible, but only if th...
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Article
Enhanced ion acceleration with extremely thin foils
Enhanced backward-acceleration of ions is experimentally observed when ultra-short, high-intensity and ultra-high-contrast laser pulses interact with thin foils having thicknesses in the order of the penetrati...
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Article
High-order harmonic generation from plasma mirrors
We discuss the two mechanisms involved in high-order harmonic generation from plasma mirrors, and show that they can be clearly identified experimentally. The very different phase properties of the correspondi...