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Kvantovaya Elektronika, 1992, Volume 19, Number 6, Pages 593–595 (Mi qe3520)  

Control of laser radiation parameters

Wavefront correction and enhancement of the brightness of a phase image in a system comprising a phase-contrast interferometer and a nonlinear medium

A. N. Bobrovskiĭ, E. B. Levchenko
Abstract: It is suggested that a phase-contrast interferometer can be used in combination with a thin layer of a transparent nonlinear medium to narrow the angular distribution of a coherent laser beam. An experimental demonstration is reported of a fourfold increase in the axial brightness of a diverging He–Ne laser beam. A cell containing a liquid crystal and an additional layer, which absorbed partly the laser radiation and heated the liquid crystal, was used as the nonlinear medium. The experiments confirmed enhancement of the brightness of the phase image in the proposed system.
Received: 02.01.1992
English version:
Soviet Journal of Quantum Electronics, 1992, Volume 22, Issue 6, Pages 547–549
DOI: https://doi.org/10.1070/QE1992v022n06ABEH003520
Bibliographic databases:
Document Type: Article
UDC: 621.373.826
PACS: 42.55.Lt, 07.60.Ly, 42.70.Df, 42.60.Jf, 42.30.Va
Language: Russian


Citation: A. N. Bobrovskiĭ, E. B. Levchenko, “Wavefront correction and enhancement of the brightness of a phase image in a system comprising a phase-contrast interferometer and a nonlinear medium”, Kvantovaya Elektronika, 19:6 (1992), 593–595 [Sov J Quantum Electron, 22:6 (1992), 547–549]
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  • https://www.mathnet.ru/eng/qe/v19/i6/p593
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