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

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...

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Bibliographic Details
Published in:Opto-electronics review 2012, Vol.20 (4), p.309-314
Main Authors: Sawosz, P., Zolek, N., Kacprzak, M., Maniewski, R., Liebert, A.
Format: Article
Language:English
Subjects:
Lasers
Materials Science
Nanotechnology
Optical and Electronic Materials
Optical Devices
Optics
Original Papers
Photonics
Physics
Physics and Astronomy
short source-detector separation
time-gated intensified CCD camera
time-resolved NIRS
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Summary: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.
ISSN:1230-3402
1896-3757
1896-3757
DOI:10.2478/s11772-012-0041-y