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- W4295676859 abstract "We present the laboratory verification of a method for re- moving the effects of frozen-flow atmospheric turbulence using a Linear Quadratic Gaussian (LQG) controller, also known as a Kalman Filter. This method, which we term Predictive Fourier Control, can identify correlated atmospheric motions due to layers of frozen flow turbulence, and can predictively remove the effects of these correlated motions in real-time. Our laboratory verification suggests a factor of 3 improvement in the RMS residual wavefront error and a 10% improvement in measured Strehl of the system. We found that the RMS residual wavefront error was suppressed from 35.0 nm to 11.2 nm due to the use of Predictive Fourier Control, and that the far field Strehl improved from 0.479 to 0.520." @default.
- W4295676859 created "2022-09-14" @default.
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- W4295676859 date "2015-04-14" @default.
- W4295676859 modified "2023-09-26" @default.
- W4295676859 title "A laboratory demonstration of an LQG technique for correcting frozen flow turbulence in adaptive optics systems" @default.
- W4295676859 doi "https://doi.org/10.48550/arxiv.1504.03686" @default.
- W4295676859 hasPublicationYear "2015" @default.
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