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Proceedings Paper

Time-resolved transillumination of turbid media
Author(s): Gerhard Mitic; Jochen G. Koelzer; Johann Otto; Erich Plies; Gerald Soelkner; Wolfgang Zinth
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Paper Abstract

The suitability and limits of time-resolved transillumination to determine inner details of biological tissues are investigated by phantom experiments. The achievable improvement is demonstrated by using different phantoms (absorbing objects embedded in a turbid medium). By means of line-scans across a sharp edge the spatial resolution and its dependence on temporal resolution can be determined. To demonstrate the physical resolution according to the Rayleigh-criterion, measurements were performed on blackened bead pairs. Investigations with partially transparent beads demonstrate the high sensitivity of time-resolving techniques with respect to variations in scattering or absorption coefficients.

Paper Details

Date Published: 1 February 1994
PDF: 7 pages
Proc. SPIE 2082, Quantification and Localization Using Diffuse Photons in a Highly Scattering Medium, (1 February 1994); doi: 10.1117/12.167481
Show Author Affiliations
Gerhard Mitic, Siemens AG and Ludwig-Maximilians-Univ. (Germany)
Jochen G. Koelzer, Siemens AG (Germany)
Johann Otto, Siemens AG (Germany)
Erich Plies, Siemens AG (Germany)
Gerald Soelkner, Siemens AG (Germany)
Wolfgang Zinth, Ludwig-Maximilians-Univ. (Germany)

Published in SPIE Proceedings Vol. 2082:
Quantification and Localization Using Diffuse Photons in a Highly Scattering Medium
Britton Chance; David T. Delpy; Marco Ferrari; Martin J. C. van Gemert; Gerhard J. Mueller; Valery V. Tuchin, Editor(s)

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