Method of measuring properties of dispersed particles in a container and corresponding apparatus
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United States of America Patent
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Sep 11, 2007
Grant Date -
Dec 2, 2004
app pub date -
Jun 17, 2002
filing date -
Jun 18, 2001
priority date (Note) -
Expired
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Abstract
A method of measuring properties of particles immersed in a body (B), comprising the performing of a series of instantaneous acquisitions by illumination of the body with a temporally coherent light beam (152) of predetermined width D and predetermined wavelength .lamda. such as to generate scattered radiation (155) by scattering interaction of the light beam with the particles, and the detection of a plurality of values of the intensity of the total radiation (155, 156 155',156') coming from the body at a plurality of points simultaneously, the points being at a distance z from the body such that the points can receive the scattered radiation (155, 155') which comes from substantially all of the directions in which the particles are capable of scattering, and that each of the points receives the scattered radiation (155, 155') of a large number of particles, and processing (100) of the series of acquisitions in a manner such as to determine the properties of the particles.
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