Stimulating a broad spectrum of scientific, technological and commercial outcomes from innovative research and unique expertise

SANDRA HELENA PERATELLO, PHD

Phone: (418) 656-2131 #5926


Professional background :

  • Researcher at the University of Araraquara-UNESP-Brazil on optical memories based on chalcogenide glasses, 2008-2010
  • Postdoctoral studies at the University of Araraquara-UNESP-Brazil: Photo-expansion phenomena in glasses based on GeS, 2004-2008
  • Doctoral thesis on materials science, research topic: Photo-expansion phenomena in glasses based on GeS, 2003 (Institute of Physics -USP-Brazil), 2003
  • Program CAPES-DAAD (INM-Saarbrucken-Germany), 2000
  • Internship on the development of GRIN lenses by sol-gel process (INM-Saarbrucken-Germany), 1999
  • Master’s degree in Materials Science, research topic: ORMOCER for the protection of stainless steel (Institute of Physics of-USP-Brazil), 1998
  • Graduated from the Physics Institute of São Carlos-USP-Brazil, 1996


Research fields :

  • Photoinduced phenomena in chalcogenide glasses;
  • Laser-matter interaction;
  • Preparation of glasses and thin films.


Current projects :

  • Photo-inscription of diffraction arrays in chalcogenide glasses based on GaP;
  • Nanostructures in chalcogenide glasses in the GeGaAsS / Se / Te glass system;
  • Production of waveguides in GeS glasses with a femtosecond laser writing technique;
  • Photo-dissolution of silver nanoparticles in chalcogenide glasses using a femtesecond laser.


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