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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 1 — Jan. 1, 2009
  • pp: A1–A4

Acousto-optic wavefront sensing and reconstruction

Adir Stup, Eyal M. Cimet, Erez N. Ribak, and Vassilios Albanis  »View Author Affiliations


Applied Optics, Vol. 48, Issue 1, pp. A1-A4 (2009)
http://dx.doi.org/10.1364/AO.48.0000A1


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Abstract

We employ an acousto-optic cell as a tunable-pitch wavefront sensor and study its performance. The index of refraction of two cross-standing waves forms, in the near field, an adjustable array of caustics. These caustics, similar to the lenslets used for Hartmann–Shack sensing, were measured to have an extended focal relief of 200 times their pitch. We discovered a strong interaction between the caustics and source speckle, so much so that we had to modulate the beam to reduce it. We measured ocular wavefronts at different frequencies and established the consistency and reliability of the reconstruction.

© 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
(030.6140) Coherence and statistical optics : Speckle

History
Original Manuscript: April 21, 2008
Manuscript Accepted: July 25, 2008
Published: August 20, 2008

Virtual Issues
Vol. 4, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Adir Stup, Eyal M. Cimet, Erez N. Ribak, and Vassilios Albanis, "Acousto-optic wavefront sensing and reconstruction," Appl. Opt. 48, A1-A4 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-1-A1

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