Eur. Phys. J. AP
Volume 17, Number 3, March 2002
|Page(s)||201 - 208|
|Section||Surfaces, Interfaces and Films|
|Published online||15 March 2002|
Small angle static light scattering: absolute intensity measurements
Service de Chimie moléculaire, Bât. 125, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
Corresponding author: firstname.lastname@example.org
Revised: 23 November 2001
Accepted: 7 December 2001
Published online: 15 March 2002
We describe a home made small angle light scattering apparatus. The detection is based on a high sensitivity 16 bits CCD camera placed in the focal plane of a lens. The apparatus is calibrated in such a way that it allows measurements of the scattered intensity in absolute values as a function of the scattering vector. Carefully characterized latex particle suspensions (determined size distribution and particle density number) are used to test the validity of calibrations. Particle scattering patterns in absolute units show good agreement with computed intensities using Mie theory. The apparatus performances are finally discussed.
PACS: 42.25.Fx – Diffraction and scattering / 39.90.+d – Other instrumentation and techniques for atomic and molecular physics / 82.70.-y – Disperse systems; complex fluids
© EDP Sciences, 2002
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