Phase-locked high-order harmonic sources

R Zerne, C Altucci, M Bellini, M. B Gaarde, T. W Hansch, Anne L'Huillier, C Lynga, Claes-Göran Wahlström

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Abstract

We demonstrate that two harmonic sources generated independently in a xenon gas jet using the same picosecond Nd:YAG laser are locked in phase. The experiment is performed by separating a laser beam into two parallel beams focused at different locations under the nozzle of a gas jet, and therefore producing two independent sources of harmonic radiation, and studying the pattern obtained in the far field when the radiations from these sources interfere. A high and robust fringe visibility is obtained.
Original languageEnglish
Pages (from-to)1006-1009
JournalPhysical Review Letters
Volume79
Issue number6
DOIs
Publication statusPublished - 1997

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

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