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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 22 — Aug. 1, 2002
  • pp: 4739–4742

Autocorrelation of Scattered Laser Light for Ultrasound-Modulated Optical Tomography in Dense Turbid Media

Hui Li and Lihong V. Wang  »View Author Affiliations


Applied Optics, Vol. 41, Issue 22, pp. 4739-4742 (2002)
http://dx.doi.org/10.1364/AO.41.004739


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Abstract

Based on measurement of the intensity autocorrelation function, a new method to determine the modulation depth of scattered laser light modulated by an ultrasonic wave in turbid media was applied to ultrasound-modulated optical tomography. Good signal-to-noise ratios and high sensitivities were demonstrated. Images of double optically absorbing objects buried in a highly optically scattering gel sample were obtained. The contrast was more than 10%, and the spatial resolution was approximately 2 mm.

© 2002 Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(110.7170) Imaging systems : Ultrasound
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5270) Medical optics and biotechnology : Photon density waves
(170.7050) Medical optics and biotechnology : Turbid media

Citation
Hui Li and Lihong V. Wang, "Autocorrelation of Scattered Laser Light for Ultrasound-Modulated Optical Tomography in Dense Turbid Media," Appl. Opt. 41, 4739-4742 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-22-4739


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References

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