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Propagation of fs TW laser filaments in adverse atmospheric conditions

Abstract : The propagation of femtosecond terawatt laser pulses at reduced pressure (0.7 atm) is investigated experimentally. In such conditions, the non-linear refractive index n 2 is reduced by 30%, resulting in a slightly farther filamentation onset and a reduction of the filament number. However, the filamentation process, especially the filament length, is not qualitatively affected. We also show that drizzle does not prevent the filaments from forming and propagating.
keyword : filamentation
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Contributor : Aurélien Houard Connect in order to contact the contributor
Submitted on : Saturday, March 13, 2010 - 1:03:13 AM
Last modification on : Wednesday, May 11, 2022 - 3:22:04 PM

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Grégoire Méchain, Guillaume Méjean, Roland Ackermann, Philipp Rohwetter, Yves-Bernard André, et al.. Propagation of fs TW laser filaments in adverse atmospheric conditions. Applied Physics B - Laser and Optics, 2005, 80 (7), pp.785-789. ⟨10.1007/s00340-005-1825-2⟩. ⟨hal-00463612⟩



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