Microgravity research in space is a complex activity where the often scarce resources available for the launch, accommodation, and operation of instrumentation call for a careful experiment planning and instrument development. In this paper we describe a module of the Selectable Optical Diagnostic Instrument, that has been designed as a compact optical diagnostic instrument for colloidal physics experiments. The peculiarity of the instrument is the combination of a novel light scattering technique known as near field scattering and standard microscopy with a low-coherence laser light source. We describe its main design features, as well as measurement results on colloidal aggregation taken on the International Space Station.

SODI-COLLOID: a combination of static and dynamic light scattering on board the International space station / S. Mazzoni, M.A.C. Potenza, M.D. Alaimo, S.J. Veen, M. Dielissen, E. Leussink, J.L. Dewandel, O. Minster, E. Kufner, G. Wegdam, P. Schall. - In: REVIEW OF SCIENTIFIC INSTRUMENTS. - ISSN 0034-6748. - 84:4(2013), pp. 043704.1-043704.10. [10.1063/1.4801852]

SODI-COLLOID: a combination of static and dynamic light scattering on board the International space station

M.A.C. Potenza
Secondo
;
2013

Abstract

Microgravity research in space is a complex activity where the often scarce resources available for the launch, accommodation, and operation of instrumentation call for a careful experiment planning and instrument development. In this paper we describe a module of the Selectable Optical Diagnostic Instrument, that has been designed as a compact optical diagnostic instrument for colloidal physics experiments. The peculiarity of the instrument is the combination of a novel light scattering technique known as near field scattering and standard microscopy with a low-coherence laser light source. We describe its main design features, as well as measurement results on colloidal aggregation taken on the International Space Station.
near-field scattering; velocimetry
Settore FIS/03 - Fisica della Materia
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/232706
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