Self-phase-matched high harmonic generation - PubMed (original) (raw)

Self-phase-matched high harmonic generation

G Tempea et al. Phys Rev Lett. 2000.

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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