Proceedings PaperPicosecond spectroscopy and imaging with pulsed and amplitude-modulated laser light: diffused photon density waves in highly scattering media
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The possibility that clear images could be obtained of certain objects in the human body such as tumors, aneurysms, stroke volumes, degenerative diseases of the brain such as Alzheimer's, Parkinson's and MID has been moving rapidly ahead during the past half dozen years. These advances are, on the one hand, better understood by the theory of photon migration, photon density, and on the other hand, by technical developments which have made the difficult problem of time resolved spectroscopy and phase modulation spectroscopy not only simple but also economical. The face that the laser community has seen fit to regard this as an important part of laser developments and technology is gratifying and surely essential to the development of the technology and its biomedical applications.