- Optics, Lasers, Photonics, Optical Devices 58
- Nuclear Physics, Heavy Ions, Hadrons 48
- Physics, general 46
- Condensed Matter Physics 45
- Theoretical, Mathematical and Computational Physics 45
- Physical Chemistry 18
- Atomic/Molecular Structure and Spectra 9
- Analytical Chemistry 5
- Inorganic Chemistry 5
- Atomic, Molecular, Optical and Plasma Physics 4
- Industrial Chemistry/Chemical Engineering 4
- Solid State Physics 4
- Characterization and Evaluation of Materials 3
- Chemistry/Food Science, general 3
- Materials Science, general 3
- Quantum Optics 3
- Ceramics, Glass, Composites, Natural Materials 2
- Communications Engineering, Networks 2
- Electrochemistry 2
- Engineering, general 2