Engineering & Materials Science
Free electron lasers
90%
Masers
89%
Microwaves
78%
Cyclotron resonance
55%
Electron beams
47%
Cyclotrons
34%
Electrons
30%
Applicators
28%
Waveguides
27%
Microwave heating
26%
Experiments
20%
Drilling
18%
Electron guns
18%
Particle accelerators
15%
Wigglers
14%
Magnetic fields
13%
Powder metals
13%
Electrostatic accelerators
13%
Basalt
11%
Melting
11%
Plasmas
10%
Silicon
10%
Transmission electron microscopy
10%
Solidification
10%
Laser modes
10%
3D printers
10%
X ray lasers
9%
Spectroscopy
8%
Wavelength
8%
Powders
8%
Heating
7%
Amplification
7%
Metal foil
7%
Solenoids
6%
Ferroelectric materials
6%
Concretes
6%
Glass
6%
Resonators
5%
X ray scattering
5%
Ignition
5%
Laser mode locking
5%
Transistors
5%
Radiation
5%
Electric potential
5%
Electromagnetic waves
5%
Temperature
5%
Physics & Astronomy
masers
100%
microwaves
75%
cyclotron resonance
63%
free electron lasers
52%
oscillators
32%
electron beams
31%
waveguides
27%
cyclotrons
22%
free electrons
20%
fireballs
19%
basalt
16%
electron guns
15%
thermites
13%
traveling waves
13%
amplifiers
13%
interactions
12%
ball lightning
11%
heating
11%
bursts
11%
cathodes
10%
output
10%
drilling
10%
ignition
9%
cavities
9%
high gain
8%
silicon
8%
dusty plasmas
8%
harmonics
8%
energy
8%
air
8%
accelerators
8%
magnetic fields
8%
Doppler effect
7%
melting
6%
x rays
6%
pulses
6%
metal powder
6%
ejection
6%
electrons
6%
atmospheres
6%
low currents
6%
wavelengths
5%
radiation
5%
bubbles
5%
electron energy
5%
electrostatics
5%
nanoparticles
5%
backward waves
5%
locking
5%
foils
5%
Mathematics
Electron Beam
28%
Waveguide
23%
Experiment
16%
Microwave
12%
Electron
12%
Interaction
9%
Free Electron Laser
9%
Magnetic Field
8%
Energy
8%
Powder
6%
Radiation
6%
Harmonic
6%
Anomalous
6%
Wavelength
5%
Doppler Effect
5%
Beam Steering
5%
Metals
5%
