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1 January 1998 Detection of hidden objects in tissuelike phantoms by backscattered diffused light
Janusz Przeslawski, J. Calsamiglia, N. Garcia, H. De Raedt, Kristel F. L. Michielsen
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Proceedings Volume 3194, Photon Propagation in Tissues III; (1998) https://doi.org/10.1117/12.301060
Event: BiOS Europe '97, 1997, San Remo, Italy
Abstract
We present both experimental data and theoretical calculations of near-IR light backscattered from tissue like phantoms with hidden objects. The experimental setup constitutes an innovative detection system with a set of optical fibers sticked into a 2 ps resolution streak-camera scanning the light reflected by the illuminated sample. The data show that small, mm-size objects can be detected up to 12 mm in depth from the illuminated surface. The theory, that solves exactly the diffusion equation and introduces the sample boundary conditions, is in excellent agreement with the data.
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Janusz Przeslawski, J. Calsamiglia, N. Garcia, H. De Raedt, and Kristel F. L. Michielsen "Detection of hidden objects in tissuelike phantoms by backscattered diffused light", Proc. SPIE 3194, Photon Propagation in Tissues III, (1 January 1998); https://doi.org/10.1117/12.301060
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KEYWORDS
Tissue optics
Diffusion
Natural surfaces
Optical fibers
Optical scanning systems
Picosecond phenomena
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