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12 November 2020 New construction decisions in the creation of the wavefront tilt corrector
L. V. Antoshkin, A. G. Borzilov, V. V. Lavrinov, I. M. Tsoroev
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Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115601Y (2020) https://doi.org/10.1117/12.2575582
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation
Abstract
A new model of an optical deflector is proposed for controlling the tilt angles of optical radiation in adaptive optical systems and stabilizing its image at the input aperture. The deflector contains an electronic control unit that works with digital and analog input signals, and an actuator consisting of piezoceramic actuators and a flat mirror. Unique design solutions of the actuator ensure the preservation of flatness of the mirror over the entire range of tilt angles, and the electronic damping system suppresses the vibration of the mirror with a pulse control signal. The adaptive optics system with the presented deflector can be applied in astronomical telescopes, in ground-based vision systems on turbulent atmospheric paths, and in laser sounding problems.
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L. V. Antoshkin, A. G. Borzilov, V. V. Lavrinov, and I. M. Tsoroev "New construction decisions in the creation of the wavefront tilt corrector", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115601Y (12 November 2020); https://doi.org/10.1117/12.2575582
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KEYWORDS
Wavefronts
Mirrors
Atmospheric optics
Control systems
Adaptive optics
Atmospheric turbulence
Atmospheric propagation
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