Vol. 5, issue 12, article # 5

Konyaev P. A. Instabilities of thermal blooming. // Atmospheric and oceanic optics. 1992. V. 5. No. 12. P. 814-818.    PDF
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Some effects resulting from an unstable behavior of intense wave beams under conditions of thermal blooming in a weakly absorbing medium are considered. Numerical simulation of the problem is carried out by solving a self–consistent problem using the splitting method. To provide a calculational stability a control procedure based on a spectral criterion of stability is used during the solution process. It is shown that in a stationary regime of a limited beam thermal blooming in a moving medium there can occur the decay instability as well as the occurrence of soliton–like solutions is possible. Instability of a phase conjugation that can appear during an adaptive control of an intense beam is analyzed.