Method for analyzing a diffusing sample by time resolution measurement
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United States of America Patent
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Jun 7, 2005
Grant Date -
Jun 12, 2003
app pub date -
May 17, 2001
filing date -
May 18, 2000
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Expired
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Abstract
A method for analyzing a diffusing sample comprises steps of: a) illuminating the sample with temporally coherent and wavelength-modulated incident light beam; b) producing a succession of interference signals with the diffuse light; c) combining each interference signal with a reference signal (Ref(t,τ0)) generating a time port; d) extracting the continuous component of each signal characteristic of the predetermined delay (τ0) derived form c); applying a nonlinear function on each of the continuous components of the signals characterizing the predetermined delay (τ0); and f) averaging each of the images, with the non-linear function, of the continuous components of the signals characterizing the predetermined delay (τ0). The invention is useful for observing organs of the human body.
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