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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 29 — Oct. 10, 2012
  • pp: 7115–7123

Weighted Fried reconstructor and spatial-frequency response optimization of Shack–Hartmann wavefront sensing

Tenghao Li, Mali Gong, Lei Huang, Yuntao Qiu, and Qiao Xue  »View Author Affiliations

Applied Optics, Vol. 51, Issue 29, pp. 7115-7123 (2012)

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Two modified Fried wavefront reconstructors are proposed, both based on an enhanced geometry that combines and balances those of Fried and Hudgin with an additional weight. The optimal weights for both of them are derived with the analytical frequency response functions, which can provide near-unity spatial frequency response over broad bandwidth to the Shack–Hartmann wavefront sensing system. Comparisons between the proposed reconstructors and the classical ones are presented in the frequency domain, and simulations have further confirmed the frequency characteristic and the reconstruction performance of the new reconstructors. It is expected that the optimized reconstructors can help improve the performance of adaptive optics systems for high-power laser wavefront control and other relevant optical systems that require high-accuracy wavefront sensing.

© 2012 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing

ToC Category:
Atmospheric and Oceanic Optics

Original Manuscript: July 23, 2012
Revised Manuscript: September 10, 2012
Manuscript Accepted: September 10, 2012
Published: October 10, 2012

Tenghao Li, Mali Gong, Lei Huang, Yuntao Qiu, and Qiao Xue, "Weighted Fried reconstructor and spatial-frequency response optimization of Shack–Hartmann wavefront sensing," Appl. Opt. 51, 7115-7123 (2012)

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