Control of multiple filamentation in air | Zendy

Gadi Fibich | Zendy; Shmuel Eisenmann | Zendy; Boaz Ilan | Zendy; A. Zigler | Zendy

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Control of multiple filamentation in air

Author(s) -

Gadi Fibich,

Shmuel Eisenmann,

Boaz Ilan,

A. Zigler

Publication year - 2004

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.29.001772

Subject(s) - filamentation , optics , astigmatism , atmospheric optics , physics , lens (geology) , laser , laser beams , beam (structure) , refractive index

In this Letter we provide what is believed to be the first experimental evidence of suppression of the number of filaments for high-intensity laser pulses propagating in air by beam astigmatism. We also show that the number, pattern, and spatial stability of the filaments can be controlled by varying the angle that a focusing lens makes with the axial direction of propagation. This new methodology can be useful for applications involving atmospheric propagation, such as remote sensing.

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