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Proceedings Article

Comparison of two time-resolved detectors for diffuse optical tomography: photomultiplier tube--time-correlated single photon counting and multichannel streak camera

[+] Author Affiliations
Patrick Poulet, Chantal V. Zint, Murielle Torregrossa

Univ. Louis Pasteur (France)

Wilfried Uhring, Bernard Cunin

Lab. Physique et Applications des Semi-conducteurs, CNRS (France)

Proc. SPIE 4955, Optical Tomography and Spectroscopy of Tissue V, 154 (July 30, 2003); doi:10.1117/12.476841
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From Conference Volume 4955

  • Optical Tomography and Spectroscopy of Tissue V
  • Britton Chance; Robert R. Alfano; Bruce J. Tromberg; Mamoru Tamura; Eva M. Sevick-Muraca
  • San Jose, CA | January 25, 2003

abstract

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.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Patrick Poulet ; Chantal V. Zint ; Murielle Torregrossa ; Wilfried Uhring and Bernard Cunin
"Comparison of two time-resolved detectors for diffuse optical tomography: photomultiplier tube--time-correlated single photon counting and multichannel streak camera", Proc. SPIE 4955, Optical Tomography and Spectroscopy of Tissue V, 154 (July 30, 2003); doi:10.1117/12.476841; http://dx.doi.org/10.1117/12.476841


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