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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 8 — Aug. 1, 2001
  • pp: 1962–1967

Detection of inhomogeneities with ultrasound tagging of light

Erel Granot, Aner Lev, Zvi Kotler, Bruno G. Sfez, and Haim Taitelbaum  »View Author Affiliations


JOSA A, Vol. 18, Issue 8, pp. 1962-1967 (2001)
http://dx.doi.org/10.1364/JOSAA.18.001962


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Abstract

Ultrasound modulated light for optical tomography is very useful, since it can provide three-dimensional data with minimal mathematical processing. Although several experimental studies have shown the potential of this method, the link between the ultrasound location and the modulated signal intensity at the detector is not yet fully understood. We derive an analytical formula relating the position of the ultrasound transducer and the optical signal at the detector. We also derive an expression for the signal-to-shot-noise ratio as a function of the transducer position. We show that in certain conditions this ratio is only slowly decreasing as a function of the light penetration depth, which makes this technique attractive for optical tomography.

© 2001 Optical Society of America

OCIS Codes
(170.7050) Medical optics and biotechnology : Turbid media
(170.7170) Medical optics and biotechnology : Ultrasound

Citation
Erel Granot, Aner Lev, Zvi Kotler, Bruno G. Sfez, and Haim Taitelbaum, "Detection of inhomogeneities with ultrasound tagging of light," J. Opt. Soc. Am. A 18, 1962-1967 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-8-1962


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