Optical engineering will meet nanotechnology, science and photonics applications at SPIE's Optics + Photonics 2007 conference and exhibition, to be held August 26-30 at the San Diego Convention Center. The event will feature four international symposia: Optical Engineering + Applications, NanoScience + Engineering, Photonic Devices + Applications and Solar Energy + Applications. More than 5000 scientists, engineers, manager and instrumention innovators are expected to attend, with 280 exhibitors, more than 3100 technical presentations, 70 courses and 1000 technical presentations, and top-level speakers on optics and photonics research, training and products. Topics will include emerging technologies and market trends in organic photovoltaic energy sources, nanotechnology, solid-state lighting and solar energy. Register by August 15 to save $100 over on-site prices. For more information, visit: spie.org/optics-photonics.xml