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13 December 2018 Influence of the phase front of the fs-pulse on the characteristics of the multiple filamentation
D. V. Apeksimov, A. A. Zemlyanov, A. N. Iglakova, A. M. Kabanov, O. I. Kuchinskaya, G. G. Matvienko, V. K. Oshlakov, A. V. Petrov
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Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108332K (2018) https://doi.org/10.1117/12.2504581
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation
Abstract
The goal of the work was the experimental study of femtosecond filamentation laser pulses using a bimorph deformable mirror (DM). Phase distortions of different parts of the laser beam make it possible to control the position of the filamentation domain along the entire length of the model path. The use of a bimorph deformable mirror makes it possible to determine the localization of filaments and high-intensity channels in the cross-section of the beam. The mode of formation of long (> 100 m) high-intensity (1011-1012 W/cm2 ) weakly converging non-filamentary channels was detected.
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D. V. Apeksimov, A. A. Zemlyanov, A. N. Iglakova, A. M. Kabanov, O. I. Kuchinskaya, G. G. Matvienko, V. K. Oshlakov, and A. V. Petrov "Influence of the phase front of the fs-pulse on the characteristics of the multiple filamentation ", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108332K (13 December 2018); https://doi.org/10.1117/12.2504581
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KEYWORDS
Deformable mirrors
CCD cameras
Glasses
Wavefront sensors
Atmospheric optics
Femtosecond phenomena
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