Application of time-gated CCD camera with image intensifier in contactless detection of absorbing inclusions buried in optically turbid medium which mimics local changes in oxygenation of the brain tissue |
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Authors: | P Sawosz N Zolek M Kacprzak R Maniewski A Liebert |
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Institution: | 1. Na??cz Institute of Biocybernetics and Biomedical Engineering PAS, 4 Trojdena Str., 02-109, Warsaw, Poland
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Abstract: | The near infrared spectroscopy may be implemented using various optoelectronic techniques, however, most of them do not allow to carry out measurements at short source-detector separation. We propose a method, based on time-gated intensified CCD camera, which allows for contactless measurements and can be carried out at short source-detector separation. This technique was tested on a phantom with absorbing inclusions buried in an optically turbid medium which mimics local changes in oxygenation of the brain tissue. |
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