Prof. Dr. Paul Urbach, head of the Optics Research Group of Delft University of Technology, the Netherlands and fromer president and member of the executive committee of the European Optical Society. Research areas of his optics group include Integrated Photonics, Interferometry and Imaging, Diffraction Theory, Data Storage.Prof. Dr. Guangjun Zhang is full time professor at Beijing University of Aeronautics and Astronautics, China and vice president of Beihang University. Prof. Zhang conducts researches and teaching on computer vision, opto-electronics measurement and dynamic tracking, and precision opto-mechanics technology.