Spatial distortions of a Bessel beam in a Kerr-type medium

Suren Sogomonian; Regis Barille; Genevieve Rivoire

doi:10.1117/12.375305

28 December 1999 Spatial distortions of a Bessel beam in a Kerr-type medium

Suren Sogomonian, Regis Barille, Genevieve Rivoire

Proceedings Volume 4060, New Trends in Atomic and Molecular Spectroscopy; (1999) https://doi.org/10.1117/12.375305
Event: New Trends in Atomic and Molecular Spectroscopy, 1999, none, Russian Federation

Abstract

We report on the observation of far field spatial distortions of a Bessel beam after passing through a Kerr liquid. A coaxial ring structure has been observed to occur at some threshold power. It consists of two closely spaced (1.5 - 3.5 mrad) sharp rings of comparable intensity and a diffuse inner ring of smaller intensity separated by 8 - 9 mrad. Evolution of the far field pattern with moving the sample along the propagation path of the Bessel beam shows strong dependence of beam distortions upon the position of the sample. The phenomenon is supposed to be due to nonlinearly induced phase aberrations resulting in the distortion of angular spectrum.

Citation Download Citation

Suren Sogomonian, Regis Barille, and Genevieve Rivoire "Spatial distortions of a Bessel beam in a Kerr-type medium", Proc. SPIE 4060, New Trends in Atomic and Molecular Spectroscopy, (28 December 1999); https://doi.org/10.1117/12.375305

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