Physics & Astronomy
amplifiers
13%
augmentation
6%
axial modes
31%
backward waves
100%
bandwidth
7%
beam currents
8%
broadband
7%
cells
19%
Child-Langmuir law
6%
cyclotrons
9%
diodes
9%
electric potential
6%
electron acceleration
21%
electrons
28%
energy
11%
fiber lasers
7%
fibers
12%
field emission
6%
foils
10%
injection
21%
injection locking
8%
interactions
12%
ions
12%
laser beams
6%
laser plasmas
10%
lasers
35%
magnetic fields
13%
masers
10%
modulation
13%
nonlinear optics
6%
oscillations
17%
oscillators
76%
output
11%
plasma density
10%
ponderomotive forces
6%
power amplifiers
12%
profiles
17%
proton energy
7%
protons
9%
pulses
34%
radiation pressure
11%
repetition
8%
scaling
10%
self consistent fields
5%
simulation
30%
space charge
9%
thresholds
7%
traveling wave amplifiers
15%
tuning
20%
waveguides
12%
Engineering & Materials Science
Amplification
8%
Anodes
6%
Conversion efficiency
7%
Cyclotrons
18%
Diodes
12%
Electric potential
6%
Electric space charge
7%
Electron cyclotron resonance
6%
Electrons
19%
Experiments
6%
Feedback
5%
Fiber amplifiers
11%
Fiber lasers
13%
Fibers
15%
Field emission
13%
Full width at half maximum
5%
Horn antennas
6%
Laser produced plasmas
17%
Laser pulses
11%
Lasers
13%
Light amplifiers
9%
Light emission
5%
Magnetic fields
12%
Masers
14%
Micelles
5%
Microwaves
5%
Modulation
14%
Neutron scattering
5%
Plasma filled waveguides
8%
Power amplifiers
10%
Seed
6%
Spontaneous emission
5%
Stimulated Raman scattering
8%
Supercontinuum generation
7%
Tuning
12%
Ultraviolet spectrometers
6%
Wavelength
6%