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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 36 — Dec. 20, 2009
  • pp: 6967–6972

Performance comparison between Shack–Hartmann and astigmatic hybrid wavefront sensors

Shane Barwick  »View Author Affiliations


Applied Optics, Vol. 48, Issue 36, pp. 6967-6972 (2009)
http://dx.doi.org/10.1364/AO.48.006967


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Abstract

Simulations on Kolmogorov phase screens are employed to compare the relative performance of an astigmatic hybrid wavefront sensor (AHS) to that of a Shack–Hartmann sensor (SHS). The AHS is shown to improve phase reconstruction accuracy when the subaperture phase contains significant energy in curvature modes and a moderate to high number of photons are collected. Dual use of the AHS and SHS may extend enhanced reconstruction to low signal levels. The AHS is also shown to have a small benefit for tilt-only reconstruction when the beam has sufficient power.

© 2009 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(350.1260) Other areas of optics : Astronomical optics
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Imaging Systems

History
Original Manuscript: October 13, 2009
Manuscript Accepted: November 10, 2009
Published: December 11, 2009

Citation
Shane Barwick, "Performance comparison between Shack-Hartmann and astigmatic hybrid wavefront sensors," Appl. Opt. 48, 6967-6972 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-36-6967

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