Experiments in Fluids

, 54:1611

Wide band Fresnel super-resolution applied to capillary breakup of viscoelastic fluids

  • Jorge E. Fiscina
  • Pierre Fromholz
  • Rainer Sattler
  • Christian Wagner
Research Article

DOI: 10.1007/s00348-013-1611-6

Cite this article as:
Fiscina, J.E., Fromholz, P., Sattler, R. et al. Exp Fluids (2013) 54: 1611. doi:10.1007/s00348-013-1611-6

Abstract

We report a technique based on Fresnel diffraction with white illumination that permits the resolution of capillary surface patterns of <100 nm. We investigate Rayleigh–Plateau-like instability on a viscoelastic capillary bridge and show that we can overcome the resolution limit of optical microscopy. The viscoelastic filaments are approximately 20 μ thick at the end of the thinning process when the instability sets in. The wavy distortions grow exponentially in time and the pattern is resolved by an image treatment that is based on an approximation of the measured rising flank of the first Fresnel peak.

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Jorge E. Fiscina
    • 1
    • 2
  • Pierre Fromholz
    • 1
    • 3
  • Rainer Sattler
    • 1
  • Christian Wagner
    • 1
  1. 1.ExperimentalphysikUniversität des SaarlandesSaarbrückenGermany
  2. 2.Gravitation GroupTATA Institute of Fundamental ResearchMumbaiIndia
  3. 3.ICFP, Département de PhysiqueEcole Normale supérieureParisFrance

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