Optoelectronic devices Photonics 53 Semiconductors 45 Integrated optics 43 Optoelectronics 41 Design and construction 39 Optical communications 36 Materials 31 Equipment and supplies 27 Optical properties 19 Microelectromechanical systems 18 Integrated circuits 16 Optical wave guides 16 Silicon 14 Electrooptical devices 12 Optical detectors 12 Lasers 11 Nanotechnology 11 Fiber optics 10 Imaging systems 9 Light 9 Optics 9 Electronic apparatus and appliances 8 Mathematics 8 Nanostructured materials 8 Electronic circuits 7 Handbooks, manuals, etc 7 Mechatronics 7 Miniature electronic equipment 7 Photoelectric cells 7