Self-phase-matched high harmonic generation |
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Authors: | Tempea Geissler Schnurer Brabec |
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Institution: | Institut fur Photonik, Technische Universitat Wien, Gusshausstrasse 27/387, A-1040 Wien, Austria. |
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Abstract: | Our theoretical analysis reveals that tunnel ionization significantly modifies the electric field of few-cycle laser pulses within a single oscillation period. This subcycle self-modulation is predicted to result in phase matching, making high harmonic generation in the x-ray regime possible for the first time. Such a radiation source opens novel possibilities in the investigation of matter with x-ray techniques, such as time resolved x-ray diffraction and absorption. |
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