Abstract
A new and simple gated-photon counting system is described for the recovery of optical parameters in diffusive media. The system is based on a 60ns width-sliding gate that enables reconstruction of the photon decay curve detected when a pulse is impinged on the diffusive media. Patterson-Chance method allows the optical parameters of the medium under investigation to be accurately retrieved. Experimental results on a phantom modeling breast tissue demonstrate the feasibility of the technique. Good agreement with Time-Correlated Single Photon Counting was achieved leading to less than 10% of miss-estimation on the optical parameters.
© 2002 Optical Society of America
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