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Imaging spatially varying dynamic media with diffusing correlation waves

  • US 6,076,010 A
  • Filed: 06/20/1996
  • Issued: 06/13/2000
  • Est. Priority Date: 06/20/1996
  • Status: Expired due to Term
First Claim
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1. A method for determining properties of a medium, said method comprising the steps of:

  • irradiating the medium with radiation that is capable of diffusing through the medium;

    receiving at a detector position streams of photons scattered from objects within the medium as said radiation diffuses through the medium;

    measuring at said detector position temporal intensity fluctuations of the photon streams; and

    determining spatially varying dynamic or optical properties of the medium based on one of (a) broadening of measured power spectrums and (b) decay of temporal correlation functions of the measured temporal intensity fluctuations.

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