The European Office of SPIE, an international society advancing an interdisciplinary approach to the science and application of light. The SPIE Digital Library houses 260,000 technical papers from conference proceedings and journals in cutting edge technologies such as biophotonics, nanotechnology, sensors, lasers, electro-optics, imaging, solar energy and communications. SPIE Europe is heavily involved in Photonics²¹, the European Technology Platform in promoting public awareness of photonic technologies.