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Kvantovaya Elektronika, 2008, Volume 38, Number 7, Pages 689–694 (Mi qe13754)  

This article is cited in 8 scientific papers (total in 8 papers)

Resonators. Modes

Influence of the resonator parameters and spatially nonuniform amplification on the spatial structure of the fundamental mode of stable resonator lasers

M. V. Gorbunkova, P. V. Kostryukovbc, V. G. Tunkinbc

a P. N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow
b Lomonosov Moscow State University, Faculty of Physics
c International Laser Center of Moscow State University
Full-text PDF (214 kB) Citations (8)
Abstract: The combined influence of the resonator parameters and spatially nonuniform axially symmetric amplification distribution in a four-level active medium on the spatial structure of the fundamental mode of laser radiation is studied numerically by the Fox–Li method. The model of two beams interacting due to the spatial amplification nonuniformity is used to obtain simple analytic estimates. The transition of the spatial structure of the fundamental mode from the Gaussian one to the structure formed by a set of Laguerre–Gaussian beams is studied. It is shown that near the degenerate configurations of the resonator a decrease in the diameter of the pump beam leads to an increase in the number of Laguerre–Gaussian beams forming the fundamental mode. It is found that the range of detunings from the strong degeneracy within which substantial differences of the spatial structure of the fundamental mode from the Gaussian structure are realised, increases with increasing the gain.
Received: 06.11.2007
Revised: 05.02.2008
English version:
Quantum Electronics, 2008, Volume 38, Issue 7, Pages 689–694
DOI: https://doi.org/10.1070/QE2008v038n07ABEH013754
Bibliographic databases:
Document Type: Article
PACS: 42.55.Xi, 42.60.Da, 42.60.Jf
Language: Russian


Citation: M. V. Gorbunkov, P. V. Kostryukov, V. G. Tunkin, “Influence of the resonator parameters and spatially nonuniform amplification on the spatial structure of the fundamental mode of stable resonator lasers”, Kvantovaya Elektronika, 38:7 (2008), 689–694 [Quantum Electron., 38:7 (2008), 689–694]
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  • https://www.mathnet.ru/eng/qe/v38/i7/p689
  • This publication is cited in the following 8 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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