Vol. 19, issue 09, article # 2

Kandidov V.P., Militsin V.O. Formation of multiple filamentation in a high-power femtosecond laser pulse under rain conditions. // Atmospheric and oceanic optics. 2006. V. 19. No. 09. P. 686-692.
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Abstract:

The influence of the coherent scattering by rain droplets on the multiple filamentation generation in a femtosecond sub-TW laser pulse has been studied numerically. Qualitative agreement between simulation results and data of field experiment is shown. Based on the results of spectral analysis of the beam intensity distribution, the influence of aerosol concentration and radiation power on dimensions of the filament generation areas and their formation mode was investigated.

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