Optics: measuring and testing – For size of particles – By particle light scattering
Reexamination Certificate
2007-09-11
2007-09-11
Nguyen, Sang H. (Department: 2886)
Optics: measuring and testing
For size of particles
By particle light scattering
C356S434000
Reexamination Certificate
active
10480997
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 λ 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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M. Giglio, et al.: “Space Intensity Correlations in the Newar Field of the Scattered Light: A Direct Measurement of the Density Correlation Function g(r)” Physical Review Letter, vol. 85, No. 7, Dec. 23, 1999-Aug. 14, 2000, pp. 1416-1419, XP002225445.
Brogioli Doriano
Giglio Marzio
Potenza Marco
Vailati Alberto
INFM Istituto Nazionale per La Fisica Della Materia
Nguyen Sang H.
Sughrue & Mion, PLLC
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