Please use this identifier to cite or link to this item: https://doi.org/10.1364/OE.16.013643
Title: Fast time-domain diffuse optical tomography using pseudorandom bit sequences
Authors: Mo, W.
Chen, N. 
Issue Date: 1-Sep-2008
Citation: Mo, W., Chen, N. (2008-09-01). Fast time-domain diffuse optical tomography using pseudorandom bit sequences. Optics Express 16 (18) : 13643-13650. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.16.013643
Abstract: We report a novel time-domain diffuse optical tomography to determine the optical properties in a faster speed than the conventional ones. Instead of using the ultrashort pulse laser, a 2.5 Gbps pseudorandom bit sequence is used to modulate the near-infrared light for tissue-like phantom illumination. The time-resolved signal can be retrieved very quickly by demodulation with the reference signal. The system impulse response has a full width at half maximum around 800 picoseconds and the 2-dimentional maps of optical properties can be obtained within a few seconds. The high signal-to-noise ratio and the environmental illumination insensitivity warrant a great potential for applications in clinical noninvasive breast cancer detection. © 2008 Optical Society of America.
Source Title: Optics Express
URI: http://scholarbank.nus.edu.sg/handle/10635/67055
ISSN: 10944087
DOI: 10.1364/OE.16.013643
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