Wavefront-aberration sorting and correction for a dual-deformable-mirror adaptive-optics system
Optics Letters, Vol. 33, Issue 22, pp. 2602-2604 (2008)
http://dx.doi.org/10.1364/OL.33.002602
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Abstract
Many next-generation adaptive optics (AO) systems for vision will have two deformable mirrors (DMs) instead of one: a high-stroke, low-resolution mirror (the woofer) and a low-stroke, high-resolution mirror (the tweeter). We developed a zonal wavefront-control algorithm and validated it using simulations. Rather than separating the woofer and tweeter corrections into two independent control processes or using a modal decomposition, the algorithm we proposed uses wavefront slope measurements from a single Shack–Hartmann wavefront sensor to generate control signals for both deformable mirrors within a single zonal control. A Lagrange multiplier is chosen to integrate two DMs into a single-DM wavefront control, and a damped least-squares control is employed to suppress the correlation between the two DMs.
© 2008 Optical Society of America
OCIS Codes
(170.1790) Medical optics and biotechnology : Confocal microscopy
(330.4460) Vision, color, and visual optics : Ophthalmic optics and devices
(220.1080) Optical design and fabrication : Active or adaptive optics
ToC Category:
Medical Optics and Biotechnology
History
Original Manuscript: June 26, 2008
Revised Manuscript: September 8, 2008
Manuscript Accepted: September 10, 2008
Published: November 7, 2008
Virtual Issues
Vol. 4, Iss. 1 Virtual Journal for Biomedical Optics
Citation
Weiyao Zou, Xiaofeng Qi, and Stephen A. Burns, "Wavefront-aberration sorting and correction for a dual-deformable-mirror adaptive-optics system," Opt. Lett. 33, 2602-2604 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-22-2602
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