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Kvantovaya Elektronika, 2013, Volume 43, Number 9, Pages 852–856 (Mi qe15173)  

This article is cited in 7 scientific papers (total in 7 papers)

Control of laser radiation parameters

Dynamic phasing of multichannel cw laser radiation by means of a stochastic gradient algorithm

V. A. Volkov, M. V. Volkov, S. G. Garanin, Yu. V. Dolgopolov, A. V. Kopalkin, S. M. Kulikov, F. A. Starikov, S. A. Sukharev, S. V. Tyutin, S. V. Khokhlov, D. A. Chaparin

Federal State Unitary Enterprise "Russian Federal Nuclear Center – All-Russian Research Institute of Experimental Physics", Sarov, Nizhny Novgorod region
References:
Abstract: The phasing of a multichannel laser beam by means of an iterative stochastic parallel gradient (SPG) algorithm has been numerically and experimentally investigated. The operation of the SPG algorithm is simulated, the acceptable range of amplitudes of probe phase shifts is found, and the algorithm parameters at which the desired Strehl number can be obtained with a minimum number of iterations are determined. An experimental bench with phase modulators based on lithium niobate, which are controlled by a multichannel electronic unit with a real-time microcontroller, has been designed. Phasing of 16 cw laser beams at a system response bandwidth of 3.7 kHz and phase thermal distortions in a frequency band of about 10 Hz is experimentally demonstrated. The experimental data are in complete agreement with the calculation results.
Keywords: phasing of multichannel cw laser radiation, stochastic parallel gradient algorithm.
Received: 12.03.2013
Revised: 10.04.2013
English version:
Quantum Electronics, 2013, Volume 43, Issue 9, Pages 852–856
DOI: https://doi.org/10.1070/QE2013v043n09ABEH015173
Bibliographic databases:
Document Type: Article
PACS: 42.60.Fc, 42.60.Jf, 42.25.Kb
Language: Russian


Citation: V. A. Volkov, M. V. Volkov, S. G. Garanin, Yu. V. Dolgopolov, A. V. Kopalkin, S. M. Kulikov, F. A. Starikov, S. A. Sukharev, S. V. Tyutin, S. V. Khokhlov, D. A. Chaparin, “Dynamic phasing of multichannel cw laser radiation by means of a stochastic gradient algorithm”, Kvantovaya Elektronika, 43:9 (2013), 852–856 [Quantum Electron., 43:9 (2013), 852–856]
Linking options:
  • https://www.mathnet.ru/eng/qe15173
  • https://www.mathnet.ru/eng/qe/v43/i9/p852
  • This publication is cited in the following 7 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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    References:58
    First page:12
     
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