УДК: 535.41

Multiaperture wave-front sensor for a system for coherently adding laser beams

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Польских С.Д., Семёнов П.А. Многоапертурный датчик волнового фронта для системы когерентного сложения лазерных пучков // Оптический журнал. 2016. Т. 83. № 6. С. 7–13.

Polskikh S.D., Semenov P.A. Multiaperture wave-front sensor for a system for coherently adding laser beams [in Russian] // Opticheskii Zhurnal. 2016. V. 83. № 6. P. 7–13.

For citation (Journal of Optical Technology):

S. D. Pol’skikh and P. A. Semenov, "Multiaperture wave-front sensor for a system for coherently adding laser beams," Journal of Optical Technology. 83(6), 332-336 (2016). https://doi.org/10.1364/JOT.83.000332

Abstract:

This paper discusses a multiaperture wave-front sensor for a system for coherently adding laser beams with active feedback, whose operation is based on the Gerchberg–Saxton algorithm. An analysis is given of the algorithm, and it is shown that, when it is used to retrieve phase information, it is characterized by the ambiguity of the solution and the presence of “stagnation” states. A phase-retrieval strategy based on global-optimization methods is proposed. Physical modeling is carried out, using phase-information retrieval for a seven-aperture system.

Keywords:

multiaperture wave-front sensor, phase synchronization, multichannel laser systems, Gerchberg–Saxton algorithm

OCIS codes: 100.5070; 100.3190; 100.2960; 070.2575

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