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Article Dans Une Revue Journal de Physique I Année : 1993

Optical diffraction of stretched lacunary spring networks

Pascal Monceau
  • Fonction : Auteur
Jean-Claude Lévy
  • Fonction : Auteur
Hervé Isambert
Denise Berger
  • Fonction : Auteur

Résumé

A network of randomly occupied sites connected by springs is submitted to an external stretch; the optical diffraction pattern of the distorted network is experimentally and analytically studied. Some regions are just shifted as a whole and related shifts are measured by means of diffraction, some regions are uniformly distorted and this distortion is optically detected. The techniques of pattern reconstruction in real space by filtering in Fourier space enable typical defects to be localized. Fractal random media are also considered.

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jpa-00246837 , version 1 (04-02-2008)

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Pascal Monceau, Jean-Claude Lévy, Hervé Isambert, Denise Berger. Optical diffraction of stretched lacunary spring networks. Journal de Physique I, 1993, 3 (9), pp.1891-1899. ⟨10.1051/jp1:1993219⟩. ⟨jpa-00246837⟩

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