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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 24 — Dec. 15, 2000
  • pp: 1777–1779

Transport-based image reconstruction in turbid media with small source—detector separations

Andrew Dunn and David Boas  »View Author Affiliations


Optics Letters, Vol. 25, Issue 24, pp. 1777-1779 (2000)
http://dx.doi.org/10.1364/OL.25.001777


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Abstract

We demonstrate a new method for imaging through several millimeters of a turbid sample with a resolution of approximately 100 μm by combining aspects of confocal reflectance microscopy and diffuse optical tomography. By laterally displacing the pinhole aperture of a confocal microscope we can achieve small source–detector separations and detect minimally scattered light. A reconstruction algorithm based on the first Born approximation to the radiative transport equation is then used to reconstruct an image of a 100-μm absorbing object located 2 mm beneath the surface.

© 2000 Optical Society of America

OCIS Codes
(170.0180) Medical optics and biotechnology : Microscopy
(170.1790) Medical optics and biotechnology : Confocal microscopy
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.3660) Medical optics and biotechnology : Light propagation in tissues

Citation
Andrew Dunn and David Boas, "Transport-based image reconstruction in turbid media with small source—detector separations," Opt. Lett. 25, 1777-1779 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-24-1777


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