Abstract

The distributed-spline-based aberration reconstruction (D-SABRE) method is proposed for distributed wavefront reconstruction with applications to large-scale adaptive optics systems. D-SABRE decomposes the wavefront sensor domain into any number of partitions and solves a local wavefront reconstruction problem on each partition using multivariate splines. D-SABRE accuracy is within 1% of a global approach with a speedup that scales quadratically with the number of partitions. The D-SABRE is compared to the distributed cumulative reconstruction (CuRe-D) method in open-loop and closed-loop simulations using the YAO adaptive optics simulation tool. D-SABRE accuracy exceeds CuRe-D for low levels of decomposition, and D-SABRE proved to be more robust to variations in the loop gain.

© 2016 Optical Society of America

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Supplementary Material (2)

NameDescription
» Visualization 1: MP4 (1840 KB)      Demonstration of the DPME stage on a global wavefront decomposition (40 × 40 WFS grid) into 400 partitions.
» Visualization 2: MP4 (486 KB)      Demonstration of combined DMPE and DDA stages on a global wavefront decomposition (16 × 16 WFS grid) into 16 partitions.

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