Time-dependent optical spectroscopy and imaging for biomedical applications

While optical spectroscopy and imaging are essential tools in science and engineering, their application in living tissue is complicated by multiple scattering of light. In spectroscopy, this scattering causes uncertainty in the pathlength traveled by photons in the tissue, while images suffer reduced resolution and contrast. Picosecond light sources and fast detectors have made it possible to address these problems by direct measurement of the photon time-of-flight

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