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Kvantovaya Elektronika, 2004, Volume 34, Number 12, Pages 1163–1168 (Mi qe2730)  

This article is cited in 20 scientific papers (total in 20 papers)

Nonlinear optical phenomena

Properties of self-focusing of elliptic beams

V. P. Kandidov, V. Yu. Fedorov

Lomonosov Moscow State University, Faculty of Physics
Abstract: Stationary self-focusing of collimated elliptic Gaussian beams is studied numerically. It is shown that the critical self-focusing power increases with increasing the axial ratio of the initial elliptic cross section. Self-focusing is accompanied by oscillations of the beam transverse size caused by the competition between the diffraction-limited divergence and nonlinear compression. As the power of the beam with the axial ratio a/b≥3 increases, aberration self-focusing occurs, at which, after the formation and competition of several intensity maxima in the beam cross section, a global maximum appears at the beam centre, which forms a nonlinear focus. The approximation formula for the self-focusing distance is generalised to elliptic beams.
Received: 20.04.2004
Revised: 23.08.2004
English version:
Quantum Electronics, 2004, Volume 34, Issue 12, Pages 1163–1168
DOI: https://doi.org/10.1070/QE2004v034n12ABEH002730
Bibliographic databases:
Document Type: Article
PACS: 42.65.Jx, 42.60.Jf
Language: Russian


Citation: V. P. Kandidov, V. Yu. Fedorov, “Properties of self-focusing of elliptic beams”, Kvantovaya Elektronika, 34:12 (2004), 1163–1168 [Quantum Electron., 34:12 (2004), 1163–1168]
Linking options:
  • https://www.mathnet.ru/eng/qe2730
  • https://www.mathnet.ru/eng/qe/v34/i12/p1163
  • This publication is cited in the following 20 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Квантовая электроника Quantum Electronics
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