Optical beams in saturable self-focusing media
Magnus KarlssonInstitute for Electromagnetic Field Theory, Chalmers University of Technology, S-412 96 Göteborg, Sweden
1992en
ABI
Abstract
An approximate analytical analysis of two-dimensional optical beams propagating in saturable self-focusing media is carried out. In particular, the radial shape and the phase shift of the stationary self-trapped fundamental mode are investigated in detail. The dynamic variations of the beamwidth and the phase shift for nonstationary propagation are also analyzed. The predictions of the analytical model are compared with numerical results for stationary propagation and show good agreement.
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