Time-resolved transillumination of turbid media

Gerhard Mitic; Jochen G. Koelzer; Johann Otto; Erich Plies; Gerald Soelkner; Wolfgang Zinth

doi:10.1117/12.167481

1 February 1994 Time-resolved transillumination of turbid media

Gerhard Mitic, Jochen G. Koelzer, Johann Otto, Erich Plies, Gerald Soelkner, Wolfgang Zinth

Proceedings Volume 2082, Quantification and Localization Using Diffuse Photons in a Highly Scattering Medium; (1994) https://doi.org/10.1117/12.167481
Event: Europto Biomedical Optics '93, 1993, Budapest, Hungary

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.

Citation Download Citation

Gerhard Mitic, Jochen G. Koelzer, Johann Otto, Erich Plies, Gerald Soelkner, and Wolfgang Zinth "Time-resolved transillumination of turbid media", Proc. SPIE 2082, Quantification and Localization Using Diffuse Photons in a Highly Scattering Medium, (1 February 1994); https://doi.org/10.1117/12.167481

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