Wavefront reconstruction accuracy strongly depends on the way the wavefront distortion points match the wavefront sensing locations. A multi-dither sensor largely improves the wavefront reconstruction accuracy in large telescope AO systems.
© 2011 OSA
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(220.1080) Optical design and fabrication : Active or adaptive optics
A. Vyas, M. B. Roopashree, and B. R. Prasad, "Multi-dither Shack Hartmann sensor for large telescopes: A numerical performance evaluation," in Imaging and Applied Optics, OSA Technical Digest (CD) (Optical Society of America, 2011), paper ATuA4.
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