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Proceedings Paper

Multiple filamentation Ti:Sapphire-laser pulses in water
Author(s): D. V. Apeksimov; O. A. Bukin; S. S. Golik; A. A. Zemlyanov; A. M. Kabanov; O. I. Kuchinskaya; A. Yu. Mayor; G. G. Matvienko; A. V. Petrov; E. B. Sokolova
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Paper Abstract

The results of experimental studies of the spatial characteristics of multiple filamentation terawatt femtosecond Ti:Salaser in water are presented. With an increase in initial power laser pulses increases the number of filaments, the length of the field is increased filamentation and reducing the length of the filaments have been shown. The distribution of the filaments in the longitudinal direction of the field of multiple filamentation has a maximum cross-sectional filament is shifted from the center to the periphery of the beam at the end region of filamentation. The minimum diameter of the beam on the track corresponds to the position of the maximum number of filaments. After the point of maximum impulse essentially loses energy in the initial direction of propagation. Upon reaching the pulse power 2 104 Pcr of multiple filamentation area is formed of a hollow cone, the apex directed to the radiation source.

Paper Details

Date Published: 19 November 2015
PDF: 4 pages
Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 968015 (19 November 2015); doi: 10.1117/12.2205323
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, V.E. Zuev Institute of Atmospheric Optics (Russian Federation)
O. I. Kuchinskaya, National Research Tomsk State Univ. (Russian Federation)
A. Yu. Mayor, Institute of Automation and Control Processes (Russian Federation)
G. G. Matvienko, 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)


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

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