Vol. 20, issue 04, article # 2

Shlyonov S.A., Fedorov V.Yu., Kandidov V.P. Filamentation of phase-modulated femtosecond laser pulse on kilometer-long paths in the turbulent atmosphere. // Atmospheric and oceanic optics. 2007. V. 20. No. 04. P. 275-283.
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Abstract:

The effect of refractive index fluctuations on the filamentation of a subterawatt femtosecond pulse on kilometer-long path in the turbulent atmosphere is investigated. A novel method of numerical simulation of the pulse filamentation on a long atmospheric path is proposed. The method involves analytical solutions for the chirped pulse, propagating in the air. Detailed pattern of filamentation in the phase-modulated pulse at the distances more than one kilometer is given.

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