Abstract

The spatial structure of the Fourier image of a quasi-cylindrical wave field excited at the effect of a femtosecond laser pulse focused into a strip on the conductor has been studied. In all areas above the conductor surface, except for the near zone, analytical dependencies of the Fourier image of the field on the coordinates and physical characteristics of the conductor and laser pulse are established. The areas in which the quasi-cylindrical wave field dominates the surface wave field are found. For a typical metal, a comparison of quasi-cylindrical and surface wave magnetic field shapes generated on the conductor surface is performed.

© 2021 Optical Society of America

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