Classification
PEG - Optics
70
PEGB - Optics - theory
7
PEJ - Laser physics, laser materials
6
TGH - Technical optics
6
PEGC - Propagation and transmission of optical waves
3
CUM - Laser spectroscopy
2
FJH - Semiconductor physics
2
PCB - Statistical physics
2
PJA - Atomic physics - general
2
ATEA - Information storage and retrieval
1
CMA - Photochemistry - comprehensive works
1
CUR - Infrared spectroscopy
1
DZE - Data privacy, data security
1
FJN - Optical properties of solids
1
FPN - Nondestructive testing
1
PBA - Quantum theory
1
PEA - Electromagnetism
1
PKJ - Quantum electrodynamics
1
PKLF - Elementary particles - specific reactions, phenomenology
1
TBT - Optoelectronics, optical fibers, displays
1
TBTK - Infrared systems
1
TGBO - Optical measurement
1