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14 September 2020 FPGA-based 2 kHz closed-loop adaptive optical system with stacked actuator deformable mirror
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Abstract
An adaptive optical system that implements a phase conjugation algorithm designed to compensate for the effect of atmospheric turbulence the propagating laser beam is presented. The system allows compensating for the influence of atmospheric disturbances up to 200 Hz (in terms of sine). To achieve the compensation effect system operates at a frequency of 2000 Hz (in terms of fps - frames per second). Such high performance can be achieved only when using FPGA as the master control element of the system. The results of correction of disturbances obtained by using a heat fan, simulating the turbulence to frequencies of 200 Hz, are presented.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. V. Sheldakova, A. L. Rukosuev, V. M. Belousov, I. V. Galaktionov, A. N. Nikitin, V. V. Samarkin, and A. V. Kudryashov "FPGA-based 2 kHz closed-loop adaptive optical system with stacked actuator deformable mirror", Proc. SPIE 11508, Unconventional Imaging and Adaptive Optics 2020, 115080K (14 September 2020); https://doi.org/10.1117/12.2569315
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