Article-Journal

Differential Dynamic Microscopy: Probing Wave Vector Dependent Dynamics with a Microscope
Optical microscopy is an excellent tool to investigate the structure and dynamics of soft and biological materials. In this …
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Optical generation of Voronoi diagram
We present results of experiments of diffraction by an amplitude screen, made of randomly distributed circular holes. By careful …
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X-ray-scattering information obtained from near-field speckle
Whenever coherent radiation impinges on a scattering object, a speckled intensity pattern is produced. In the far field the speckle …
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Soft X-ray Fresnel-like diffraction from thin films edges by an ultrafast laser plasma source
Table-top ultrafast X-ray sources are a promising tool in physics of matter as well as in biology and medicine. An intriguing feature …
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Correlations of light in the deep Fresnel region: An extended Van Cittert and Zernike theorem
We derive an extension of the Van Cittert and Zernike theorem (VCZT), which holds very near to planar quasihomogeneous radiation …
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New trends in light scattering
In this article we review some of the most important new developments in light scattering that have emerged over the past 10 years. …
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Fluctuations in Diffusion Processes in Microgravity
It has been shown recently that diffusion processes exhibit giant nonequilibrium fluctuations (NEFs). That is, the diffusing fronts …
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Gradient-driven fluctuations experiment: fluid fluctuations in microgravity
We describe an experimental breadboard developed for the investigation of nonequilibrium fluctuations induced by macroscopic …
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Scaling Behavior for the Onset of Convection in a Colloidal Suspension
We investigate the early stages of mass convection in a colloidal suspension at high solutal Rayleigh number R a^ s. From the time …
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Transient oscillations in Soret-driven convection in a colloidal suspension
We present measurements of the transient stage of Soret-driven convective instability. The sample is a diluted colloidal suspension of …
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