Invited Article: Refractive index matched scanning of dense granular materials | Zendy

Joshua A. Dijksman | Zendy; Frank Rietz | Zendy; Kinga A. Lőrincz | Zendy; Martin van Hecke | Zendy; Wolfgang Losert | Zendy

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Invited Article: Refractive index matched scanning of dense granular materials

Author(s) -

Joshua A. Dijksman,

Frank Rietz,

Kinga A. Lőrincz,

Martin van Hecke,

Wolfgang Losert

Publication year - 2012

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.3674173

Subject(s) - refractive index , materials science , suspension (topology) , particle (ecology) , granular material , layer (electronics) , optics , phase (matter) , composite material , optoelectronics , physics , oceanography , quantum mechanics , homotopy , pure mathematics , geology , mathematics

We review an experimental method that allows to probe the time-dependent structure of fully three-dimensional densely packed granular materials and suspensions by means of particle recognition. The method relies on submersing a granular medium in a refractive index matched fluid. This makes the resulting suspension transparent. The granular medium is then visualized by exciting, layer by layer, the fluorescent dye in the fluid phase. We collect references and unreported experimental know-how to provide a solid background for future development of the technique, both for new and experienced users.

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