Optical fibers Optical communications 73 Fiber optics 45 Optical amplifiers 25 Optical detectors 16 Optical fiber detectors 13 Polymers 12 Lasers 10 Optical wave guides 10 Optical properties 9 Testing 9 Time-domain reflectometry 8 Bragg gratings 7 Microstructure 7 Solitons 7 Industrial applications 6 Materials 5 Analysis 4 Digital communications 4 Equipment and supplies 4 Measurement 4 Optical tomography 4 Semiconductor lasers 4 Tomography 4 Artificial satellites in telecommunication 3 Data transmission systems 3 Diffraction gratings 3 Photonics 3 Acetone 2 Amplifiers (Electronics) 2