Comparison of two time-resolved detectors for diffuse optical tomography: photomultiplier tube-time-correlated single photon counting and multi-channel streak camera
被引:8
作者:
Poulet, P
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ULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, FranceULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, France
Poulet, P
[1
]
Zint, CV
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机构:
ULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, FranceULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, France
Zint, CV
[1
]
Torregrossa, M
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机构:
ULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, FranceULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, France
Torregrossa, M
[1
]
Uhring, W
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ULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, FranceULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, France
Uhring, W
[1
]
Cunin, B
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ULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, FranceULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, France
Cunin, B
[1
]
机构:
[1] ULP, UMR 7004 CNRS, Inst Biol Phys, F-67085 Strasbourg, France
来源:
OPTICAL TOMOGRAPHY AND SPECTROSCOPY OF TISSUE V
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2003年
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4955卷
Two experimental setups for time-resolved diffuse optical tomography (DOT) are described. The first involves a titanium-sapphire laser and a streak camera in a synchroscan mode. A multiple-arm light guide allows to measure simultaneously the temporal profiles of photons re-emitted at different boundary sites of the objects studied. The second one uses picosecond laser diodes and a multiple-anode micro-channel plate photomultiplier tube followed by parallel time-correlated single photon counting channels. The two instruments are described and their main specifications compared: instrument response and time resolution, sweep time, temporal stability, sensitivity and its inter-channel variation, cross-talk between adjacent channels. We will also discuss detector-specific data analysis prior to image reconstruction. Both instruments have been tested with phantoms simulating tissues and the absorption and reduced scattering images obtained have been compared.