Real space and Fourier microscopy of ordered suspension
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Due to these specific length scales and the comparably slow diffusional dynamics colloidal suspensions are conveniently accessed via light scattering or microscopy. In this work we address two microscopic approaches realized on the same samples of ordering model latex spheres. One is the conventional high-resolution real space video microscopy. The other is a Fourier microscopy realized via introduction of a Bertrand lens into the imaging optics. In this case the equivalent of a two dimensional light scattering pattern is obtained. The combination of both techniques yields valuable information about both local and global, ensemble averaged properties of the sample.
T.Palberg, R. Biehl
Inst. f. Physik, Johannes Gutenberg-Universität, Mainz
Scientific and Technical Information
Edition CDR 5, pp. 17-34
December 2001
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