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Rev Sci Instrum. 2014 May;85(5):053105. doi: 10.1063/1.4875593.

MONSTIR II: a 32-channel, multispectral, time-resolved optical tomography system for neonatal brain imaging.

Author information

1
Biomedical Optics Research Laboratory, Department of Medical Physics and Bioengineering, University College London, London WC1E 6BT, United Kingdom.

Abstract

We detail the design, construction and performance of the second generation UCL time-resolved optical tomography system, known as MONSTIR II. Intended primarily for the study of the newborn brain, the system employs 32 source fibres that sequentially transmit picosecond pulses of light at any four wavelengths between 650 and 900 nm. The 32 detector channels each contain an independent photo-multiplier tube and temporally correlated photon-counting electronics that allow the photon transit time between each source and each detector position to be measured with high temporal resolution. The system's response time, temporal stability, cross-talk, and spectral characteristics are reported. The efficacy of MONSTIR II is demonstrated by performing multi-spectral imaging of a simple phantom.

PMID:
24880351
DOI:
10.1063/1.4875593
[Indexed for MEDLINE]

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