Laser 21 Lasers Surface and Interface and Thin Film 21 Surfaces (Physics) Optical Materials 12 Optical materials 12 Surfaces (Technology) 12 Surfaces, Interfaces and Thin Film 12 Thin films 12 Spectroscopy 4 Spectrum analysis 4 Microwaves, RF Engineering and Optical Communications 3 Nanotechnology 3 Physical Chemistry 3 Physical chemistry 3 Soft and Granular Matter 3 Soft condensed matter 3 Telecommunication 3 Atomic, Molecular and Chemical Physics 2 Atoms 2 Characterization and Analytical Technique 2 Classical Electrodynamics 2 Electrodynamics 2 Materials-Analysis 2 Molecules 2 Nanophysics 2 Nanoscience 2 Polymers 2 Semiconductors 2 Accelerator Physics 1