The technique heterodyne near field scattering HNFS , originally developed for low-angle static light scattering, has also been implemented for carrying out dynamic light scattering. While the classical dynamic light scattering method measures the intensity-intensity correlation function, dynamic HNFS gives directly the field-field correlation function, without any assumption on the statistical properties of the sample, as the ones required by the Siegert relation. The technique has been tested with calibrated Brownian particles and its performances compared to those of the classical dynamic light scattering method.
Dynamic heterodyne near field scattering / D. Magatti, M.D. Alaimo, M.A.C. Potenza, F. Ferri. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - 92:24(2008 Jun 16), pp. 241101.241101.1-241101.241101.3. [10.1063/1.2937841]
Dynamic heterodyne near field scattering
M.D. AlaimoSecondo
;M.A.C. PotenzaPenultimo
;
2008
Abstract
The technique heterodyne near field scattering HNFS , originally developed for low-angle static light scattering, has also been implemented for carrying out dynamic light scattering. While the classical dynamic light scattering method measures the intensity-intensity correlation function, dynamic HNFS gives directly the field-field correlation function, without any assumption on the statistical properties of the sample, as the ones required by the Siegert relation. The technique has been tested with calibrated Brownian particles and its performances compared to those of the classical dynamic light scattering method.
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