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Optics Letters

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  • Vol. 24, Iss. 3 — Feb. 1, 1999
  • pp: 181–183

Ultrasonic tagging of photon paths in scattering media: parallel speckle modulation processing

S. Lévêque, A. C. Boccara, M. Lebec, and H. Saint-Jalmes  »View Author Affiliations


Optics Letters, Vol. 24, Issue 3, pp. 181-183 (1999)
http://dx.doi.org/10.1364/OL.24.000181


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Abstract

Tagging of photon trajectories in scattering media is possible by application of a localized ultrasonic field to the sample and by measurement of the induced speckle modulation. Instead of using a single optical detector, which integrates the signal of many speckle grains, we propose a more efficient detection scheme that uses a CCD camera and parallel lock-in detection to record the full modulation of the speckle. The advantage of this multiplex detection is demonstrated, as well as the imaging capabilities of the process for biological tissues.

© 1999 Optical Society of America

OCIS Codes
(000.1430) General : Biology and medicine
(030.6140) Coherence and statistical optics : Speckle
(040.1520) Detectors : CCD, charge-coupled device
(100.0100) Image processing : Image processing

Citation
S. Lévêque, A. C. Boccara, M. Lebec, and H. Saint-Jalmes, "Ultrasonic tagging of photon paths in scattering media: parallel speckle modulation processing," Opt. Lett. 24, 181-183 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-3-181


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References

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