We have performed time-resolved imaging of diffusely scattering solid phantoms containing an optical inhomogeneity with increased absorption or scattering to simulate a human breast with a tumor inside. Images based on time-domain quantities derived from measured distributions of times of flight of photons are compared to those based on Fourier components. Investigations of contrast and signal- to-noise ratio of transillumination images recorded at different exposure times, i.e. at different numbers of photons detected, show that full images of the phantoms can be obtained within a few minutes only. In addition, we demonstrate that low power picosecond semiconductor lasers are suited for fast time-resolved imaging.


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    Title :

    Fast time-resolved imaging of diffusely scattering solid phantoms for optical mammography


    Contributors:

    Conference:

    Photon Propagation in Tissues II ; 1996 ; Vienna,Austria


    Published in:

    Publication date :

    1996-12-06





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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