期刊
PHYSICAL REVIEW LETTERS
卷 84, 期 19, 页码 4329-4332出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.4329
关键词
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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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