Raf Theunissen, PhD candidate at the von Karman Institute since 2004, has received the award of "best paper for the year 2007" from the journal "Measurement Science and Technology" for the following paper: "An adaptive sampling and windowing interrogation method in PIV" published in Measurement Science and Technology, Vol 18 pp 275-287 (2007) with the collaboration of Fulvio Scarano and M.L. Riethmuller.