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Axis 3 : PERCEPTION ENGINEERING & WHITE LIGHT PROCESSING

This aims of axis 3 are to :

Characterize structured surfaces for a better understanding of tactile and visual properties

Projects :
  • SENPERVITA project : the effects of strengthening or antagonism between visual and tactile perception of textured surfaces on the "perceived quality" of manufactured goods ;
  • CAPT-3D project : Mapping three-dimensional textures ;
  • MORPHO-RHEO : Mechanical behavior of a textured contact: from the morphological description of the 3rd body to the rheological parameters.

Functionalize and structure surfaces to optimize use properties

Projects :
  • LIRCOW project : updatable color laser marking for secure traceability ;
  • EMITEX-ASTORIX project : infrared surface emissivity to optimize the performance of heat pipes in solar thermal power plants ;
  • R2EX : design and realization of resonant networks with extreme efficiency ;
  • EMANATION : Study of the mechanisms of self-organization of metallic nanoparticles in TiO2 layers and their applications in photo-catalysis ;
  • GONIO-MIRE : Realization of a new type of color calibration chart ;
  • CONVERT : Growth of cobalt nanoparticles in glasses by thermal poling and laser irradiation.

to model behaviors as leverage in materials engineering

Projects :
  • SCAM project : Electromagnetic modeling of scattering by thin layers containing metal nanoparticles ;
  • MORPHORHEO Action : Multi-mode imaging and image analysis to connect the particle morphology of the resulting degradation of the rubbing surfaces and the rheology of the interface material from a tribological viewpoint ;
  • PHOTO-THERMO-COAT : Modeling the photonic properties of nanostructured nanocomposite coatings and Colloidal elaboration of thermoactive composites.
  • The aim is not only to develop quantitative characterization methods (adjusted for example to human perception), but beyond that, to develop real materials and surfaces engineering for perceptual specifications or specific interactions with light. For example, we aim to develop "low cost" industrial processes for the production of multiscale textures that produce specific visual effects. The French national research agency (ANR) project P2N PHOTOFLEX 2012, which includes three LABEX partners, combines all these approaches with the goal of producing photochromic inorganic nanostructured films on flexible substrates.