This year we take part in organization of three conferencies which are closery related with objectives of OPSA Project:

• XVII Symposium on Condensed Matter Physics - SFKM 2007 
  Vršac, Serbia, 16 - 20 September 2007 
  
• VII National Conference Physics and Technology of Materials 
  Čačak, Serbia, August 6 - 8, 2007, 
  
• International School and Conference on Optics and Optical Materials - ISCOM07, 
  3-7 September 2007, Belgrade, Serbia