A Method of Laser Coloration in Experiments on Filamentation of Individual Impulses and the Formation of a Light Bullet in a Homogeneous Transparent Dielectrics


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Abstract

The advantages of using the method of laser coloration for investigation of specific features of filamentation in homogeneous transparent dielectrics are described. The results of several experiments conducted with a lithium fluoride crystal by this method are presented. The possibility is shown of obtaining data on the structure of the light field in a filament formed by a single laser pulse and processing them at a substantially later time after the experiment, which is not available by using other methods, allowed observing a plasma-free regime of filamentation, detecting single-cycle light bullets, and demonstrating their robustness.

About the authors

S. V. Chekalin

Institute for Spectroscopy, Russian Academy of Sciences

Author for correspondence.
Email: schekalin@yandex.ru
Russian Federation, TroitskMoscow, 108840

V. O. Kompanets

Institute for Spectroscopy, Russian Academy of Sciences

Email: schekalin@yandex.ru
Russian Federation, TroitskMoscow, 108840

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