Two-Mirror Adaptive System for Correction of Atmospheric Disturbances of the Large Solar Vacuum Telescope

Botygina, N. N.; Kolobov, D. Yu.; Kovadlo, P. G.; Лукин, В. П.; Chuprakov, S. A.; Shikhovtsev, A. Yu.

doi:10.1134/s1024856018060064

Cited by 9 publications

(2 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…When creating, adjusting, and testing adaptive optical systems used in astronomy and vision systems in a turbulent atmosphere [2][3][4][5][6][7][8], the problem of estimating the effect of noise on measurements obtained on the stand of a tracking adaptive optical system becomes relevant [9,10].…”

Section: Introductionmentioning

confidence: 99%

Efficiency of stabilization of laser radiation on the stand of an adaptive optical system

Antoshkin,

Lavrinov,

Lavrinova

et al. 2023

XVI International Conference on Pulsed Lasers and Laser Applications

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Efficiency of stabilization of laser radiation on the stand of an adaptive optical system

Antoshkin,

Lavrinov,

Lavrinova

et al. 2023

XVI International Conference on Pulsed Lasers and Laser Applications

View full text Add to dashboard Cite

“…When creating, adjusting, and testing adaptive optics systems used in astronomy and vision systems in a turbulent atmosphere [1][2][3][4][5][6], the problem of atmospheric turbulence emulation becomes relevant, for example, to stabilize the radiation image on the photoreceiving matrix of an optical system [7,8].…”

Section: Introductionmentioning

confidence: 99%

Emulation of atmospheric turbulence for image stabilization of laser radiation on the stand of adaptive optical system

Antoshkin

Borzilov²,

Lavrinov³

et al. 2022

28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics

View full text Add to dashboard Cite

A description of the stand for an adaptive optics system operating in the mode of emulation of the slopes of the laser radiation wavefront on a turbulent path is given. The potential capabilities of the test bench involve setting the parameters of turbulent distortions characteristic of paths of various lengths, as well as using a piezceramic deflector of wavefront slopes as a source of emulated image distortions in the observation plane. The stand of the adaptive optics system makes it possible to stabilize the jitter of the optical radiation image in the plane of the receiving device with the adaptive correction circuit turned on and off under conditions of various system operation modes.

show abstract

Features of adaptive phase correction of optical wave distortion under conditions of intensity fluctuations

Botygina

Emaleev

Lavrinov

et al. 2019

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

For the first time the reason of loss of efficiency of adaptive phase correction at propagation of optical waves in turbulent atmosphere under conditions of strong intensity fluctuations is experimentally explained. According to the data of experiments performed both on horizontal and vertical atmospheric routes, it was found that when the radius of coherence in the optical wave becomes less than the first Fresnel zone, intensity fluctuations begin to affect the data of phase measurements. This results in the fact that the main meter of the adaptive optics (AO) system - Hartmann’s sensor - in the presence of deep amplitude modulation no longer provides the correctness of phase distribution measurements. Based on the study of the behavior of the modal components of the phase fluctuations reconstructed from the measurement data at different operating modes, it was found that, first of all, the lower modes of phase fluctuations decomposition - tilts, defocusing and astigmatism - are distorted and, as the analysis of these modes shows, they differ greatly from the classical modes corresponding to the mode of weak fluctuations.

show abstract

Two-Mirror Adaptive System for Correction of Atmospheric Disturbances of the Large Solar Vacuum Telescope

Cited by 9 publications

References 1 publication

Efficiency of stabilization of laser radiation on the stand of an adaptive optical system

Efficiency of stabilization of laser radiation on the stand of an adaptive optical system

Emulation of atmospheric turbulence for image stabilization of laser radiation on the stand of adaptive optical system

Features of adaptive phase correction of optical wave distortion under conditions of intensity fluctuations

Contact Info

Product

Resources

About