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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 4 — May. 4, 2011

Parallel wavefront optimization method for focusing light through random scattering media

Meng Cui  »View Author Affiliations

Optics Letters, Vol. 36, Issue 6, pp. 870-872 (2011)

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A parallel wavefront optimization method is demonstrated experimentally to focus light through random scattering media. The simultaneous modulation of multiple phase elements, each at a unique frequency, enables a parallel determination of the optimal wavefront. Compared to a pixel-by-pixel measurement, the reported parallel method uses the target signal in a highly efficient way. With 441 phase elements, a high-quality focus was formed through a glass diffuser with a peak-to-background ratio of 270 . The accuracy and repeatability of the system were tested through experiments.

© 2011 Optical Society of America

OCIS Codes
(110.7050) Imaging systems : Turbid media
(110.0113) Imaging systems : Imaging through turbid media
(110.1080) Imaging systems : Active or adaptive optics

ToC Category:
Imaging Systems

Original Manuscript: November 22, 2010
Revised Manuscript: December 27, 2010
Manuscript Accepted: February 8, 2011
Published: March 9, 2011

Virtual Issues
Vol. 6, Iss. 4 Virtual Journal for Biomedical Optics

Meng Cui, "Parallel wavefront optimization method for focusing light through random scattering media," Opt. Lett. 36, 870-872 (2011)

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