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Femtosecond and picosecond ultraviolet laser filaments in air: experiments and simulations

Tzortzakis S. , Lamouroux B. , Chiron A., Moustaizis Stavros, Anglos D. , Franco M. , Prade B. , Mysyrowicz A.

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URIhttp://purl.tuc.gr/dl/dias/C0FC4B96-D59F-459D-A9B4-171136DB5AC1-
Identifierhttps://doi.org/10.1016/S0030-4018(01)01443-2-
Languageen-
TitleFemtosecond and picosecond ultraviolet laser filaments in air: experiments and simulationsen
CreatorTzortzakis S. en
CreatorLamouroux B. en
Creator Chiron A.en
CreatorMoustaizis Stavrosen
CreatorΜουσταιζης Σταυροςel
CreatorAnglos D. en
CreatorFranco M. en
CreatorPrade B. en
Creator Mysyrowicz A.en
PublisherElsevieren
Content SummaryWe report a study of the long-range self-guided propagation of intense femtosecond and picosecond UV laser pulses in air. Measurements of the laser beam profile along the propagation axis together with the ionization rate, the pulse temporal profile and power spectrum provide a comprehensive image of the UV filamentation process and its characteristics. Self-guiding is shown to subsist in both fs and ps cases, with a robust filament propagating over several meters in air. Stable filamentation is accompanied by an important restructuring of the pulse temporal profile. Complementary numerical simulations, using a three-dimension propagation code, are compared to the experimental results. The simulations reproduce most experimental observations, allowing for a better understanding of the phenomena involved in this unique propagation mode.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-11-20-
Date of Publication2001-
SubjectNonlinear guided wavesen
SubjectBeam trappingen
Bibliographic CitationS. Tzortzakis, B. Lamouroux, A. Chiron, S.D. Moustaizis, D. Anglos, M. Franco, B. Prade, A. Mysyrowicz,"Femtosecond and picosecond ultraviolet laser filaments in air: experiments and simulations," Optics Communications, vol. 197, no. 1-3, pp. 131–143, doi: 10.1016/S0030-4018(01)01443-2en

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