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Cooled Stacked-Actuator Deformable Mirror for Compensation for Phase Fluctuations in a Turbulent Atmosphere

Atmospheric and Oceanic Optics volume 33, pages 584–590 (2020)Cite this article

Abstract—A wavefront corrector has been designed in the form of a cooled stacked-actuator deformable mirror for the correction of aberrations of laser radiation propagating through the turbulent atmosphere. The main parameters of this mirror are theoretically estimated. A technique for cooling the reflecting surface of the wavefront corrector through piezo actuators is suggested and experimentally tested. The main parameters of the deformable mirror are measured: the initial shape of the surface, the response functions of the actuators, the mirror stroke, and the frequency-amplitude characteristic of optical surface.

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Funding

This work was supported by the Russian Science Foundation (grant nos. 19-19-00706 (calculation of actuators), 20-69-46064 (study of thermal deformations of a mirror), and 20-19-00597 (study of the main characteristics of the corrector)).

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Authors and Affiliations

  1. Institute of Geosphere Dynamics, Russian Academy of Sciences, 119334, Moscow, Russia

    V. V. Toporovsky, A. V. Kudryashov, V. V. Samarkin, A. L. Rukosuev, A. N. Nikitin, Yu. V. Sheldakova & O. V. Otrubyannikova

  2. Moscow Polytechnic University, 107023, Moscow, Russia

    V. V. Toporovsky & A. V. Kudryashov

Authors
  1. V. V. Toporovsky
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  2. A. V. Kudryashov
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  3. V. V. Samarkin
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  4. A. L. Rukosuev
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  5. A. N. Nikitin
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  6. Yu. V. Sheldakova
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  7. O. V. Otrubyannikova
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Corresponding author

Correspondence to A. V. Kudryashov.

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The authors declare that they have no conflicts of interest.

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Translated by O. Ponomareva

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Toporovsky, V.V., Kudryashov, A.V., Samarkin, V.V. et al. Cooled Stacked-Actuator Deformable Mirror for Compensation for Phase Fluctuations in a Turbulent Atmosphere. Atmos Ocean Opt 33, 584–590 (2020). https://doi.org/10.1134/S102485602006024X

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  • DOI: https://doi.org/10.1134/S102485602006024X

Keywords:

  • adaptive optics
  • wavefront corrector
  • deformable mirror
  • high-power laser radiation