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Nonlinear energy deposition of femtosecond laser filamentation in the laser-induced snowfall formation
Author(s): W. Qing Zeng; Lei Liu; C. Tai Gao; J. Jing Ju; J. Ke Zhang
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Paper Abstract

Characteristics of energy deposition during filamentation are numerically investigated to understand the formation of different mass of snow with femtosecond laser pulses in a cloud chamber. The results show that the evolution of maximum airflow velocity and mass of snow is closely related to the amount of deposited energy. For the same input energy, the deposited energy is higher for laser pulse externally focused by an f=30 cm lens than an f=50 cm lens, which is in accordance with the higher airflow velocity and mass of snow in experiments with the former lens.

Paper Details

Date Published: 29 March 2019
PDF: 5 pages
Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 1104623 (29 March 2019); doi: 10.1117/12.2522924
Show Author Affiliations
W. Qing Zeng, National Univ. of Defense Technology (China)
Lei Liu, National Univ. of Defense Technology (China)
C. Tai Gao, National Univ. of Defense Technology (China)
J. Jing Ju, Shanghai Institute of Optics and Fine Mechanics (China)
J. Ke Zhang, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 11046:
Fifth International Symposium on Laser Interaction with Matter
YiJun Zhao, Editor(s)

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