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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 33, Iss. 12 — Jun. 15, 2008
  • pp: 1321–1323

Band-limited wavefront reconstruction with unity frequency response from Shack–Hartmann slopes measurements

Seung-Whan Bahk  »View Author Affiliations


Optics Letters, Vol. 33, Issue 12, pp. 1321-1323 (2008)
http://dx.doi.org/10.1364/OL.33.001321


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Abstract

The analytic frequency responses of the traditional wavefront reconstructors of Hudgin, Fried, and Southwell are presented, which exhibit amplification or attenuation of the original signal at high spatial frequencies. To overcome this problem, a reconstructor with unity frequency response is developed based on a band-limited derivative calculation. The algorithm is both numerically and experimentally confirmed.

© 2008 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
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: March 5, 2008
Manuscript Accepted: April 2, 2008
Published: June 9, 2008

Citation
Seung-Whan Bahk, "Band-limited wavefront reconstruction with unity frequency response from Shack-Hartmann slopes measurements," Opt. Lett. 33, 1321-1323 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-12-1321


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