Phase-locked high-order harmonic sources

Year: 1997

Authors: Zerne R., Altucci C., Bellini M., Gaarde M.B., Hänsch T.W., L’huillier A., Lyngå C., Wahlström C.-G.

Autors Affiliation: Department of Physics, Lund Institute of Technology, P.O. Box 118, Lund, S-221 00, Sweden; L.E.N.S, Largo E. Fermi, 2, Florence, I-50125, Italy; Niels Bohr Institute, Ørsted Laboratory, Copenhagen, 2100, Denmark; Max-Planck-Institut für Quantenoptik, P.O. Box 1513, Garching, D-85740, Germany

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.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 79 (6)      Pages from: 1006  to: 1009

KeyWords: Calculations; Coherent light; Harmonic generation; Jets; Laser applications; Laser beams; Laser mode locking; Laser pulses; Neodymium lasers; Nozzles, High order harmonic generation; Phase locked harmonic sources; Xenon gas jet, Light sources
DOI: 10.1103/PhysRevLett.79.1006

Citations: 111
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