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Proceedings Paper

Filamentation of focused and collimated laser beams in liquids
Author(s): D. V. Apeksimov; O. A. Bukin; S. S. Golik; A. A. Zemlyanov; A. M. Kabanov; O. I. Kuchinskaya; G. G. Matvienko; V. K. Oshlakov; A. V. Petrov; E. B. Sokolova; E. E. Khoroshaeva
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Paper Abstract

Experimental results of investigations into the transformation of the spectral and spatial characteristics of femtosecond collimated and focused Ti:Sapphire-laser beams with wavelengths of 800 and 400 nm upon filamentation in continuous liquid media are presented. It is shown that broadening of the laser pulse spectrum due to phase self-modulation in the medium with a cubic nonlinearity depends on the pulse power and beam diameter. Dependences of the number of filaments, width of laser radiation spectrum, nonlinear focusing distance, and diameter of the filamentation region on the laser pulse power are measured. The existence of a relative power interval in which the explosive growth of the number of filaments occurs, is established.

Paper Details

Date Published: 19 November 2015
PDF: 7 pages
Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96801X (19 November 2015); doi: 10.1117/12.2205790
Show Author Affiliations
D. V. Apeksimov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
O. A. Bukin, Institute of Automation and Control Processes (Russian Federation)
S. S. Golik, Far Eastern Federal Univ. (Russian Federation)
A. A. Zemlyanov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
A. M. Kabanov, National Research Tomsk State Univ. (Russian Federation)
O. I. Kuchinskaya, National Research Tomsk State Univ. (Russian Federation)
G. G. Matvienko, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
V. K. Oshlakov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
A. V. Petrov, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
E. B. Sokolova, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
E. E. Khoroshaeva, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)


Published in SPIE Proceedings Vol. 9680:
21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics
Oleg A. Romanovskii, Editor(s)

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