- Optics, Lasers, Photonics, Optical Devices 88
- Nuclear Physics, Heavy Ions, Hadrons 60
- Classical and Continuum Physics 42
- Nuclear Energy 38
- Astronomy, Observations and Techniques 37
- Electronics and Microelectronics, Instrumentation 36
- Classical Mechanics 35
- Security Science and Technology 35
- Condensed Matter Physics 33
- Thermodynamics 32
- Nuclear Fusion 30
- Strongly Correlated Systems, Superconductivity 29
- Nuclear Medicine 28
- Optical and Electronic Materials 26
- Waste Management/Waste Technology 26
- Characterization and Evaluation of Materials 22
- Electrical Engineering 22
- Measurement Science and Instrumentation 22
- Engineering Thermodynamics, Heat and Mass Transfer 21
- Mathematical Methods in Physics 21