**About the Editor**

**Pierre-Alexandre Blanche** currently holds the position of Research Professor at the Wyant College of Optical Sciences at the University of Arizona (Tucson, AZ, USA). Dr. Blanche has published more than 60 scientific articles in high-ranking international journals, has participated to more than 60 conferences, is the author of 12 books or book chapters, and has been granted 8 patents with 3 more pending. His fields of interest include diffraction optics, holography, 3D and see-through displays (AR/HUD), as well as non-linear and photonic materials.
