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- W2994832248 abstract "The temporal error of the adaptive optical system leads to a significant degradations in the characteristics of the system operating in the atmosphere. One of the methods for solving this problem is the use of prediction algorithms based on the analysis of the evolution of phase fluctuations. In the paper the wavefront sensor as the key element of atmospheric adaptive optical system with predictions algorithms is considered. The results of the development and testing of the Shack-Hartmann wavefront sensor providing measurements of phase fluctuations, determination of the Fried parameter and wind speed using original design solutions and software are presented. The practical and theoretical aspects of using the Shack-Harmann wavefront sensor are discussed. For it dynamic range, sensitivity and accuracy of the sensor are estimated. The influences of parameters of microlens array on range of measurements of the Shack-Harmann wavefront sensor are studied. The tests of the S-H WFS were carry out with acoustic measurements of wind speed and the structural constant of the refractive index of the atmosphere, as well as in adaptive optics system in laboratory test bench." @default.
- W2994832248 created "2019-12-26" @default.
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- W2994832248 date "2019-12-18" @default.
- W2994832248 modified "2023-10-14" @default.
- W2994832248 title "Shack-Hartmann wavefront sensor for phase distortions, wind speed and Fried parameter estimations" @default.
- W2994832248 doi "https://doi.org/10.1117/12.2539235" @default.
- W2994832248 hasPublicationYear "2019" @default.
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