Physics & Astronomy
lasers
100%
pulses
85%
plasma accelerators
81%
accelerators
74%
laser plasmas
67%
electron beams
56%
electrons
51%
radiation
38%
free electron lasers
36%
energy
29%
radiation sources
29%
plasma waves
29%
plasma density
26%
photons
22%
injection
21%
x rays
20%
high power lasers
20%
plasma acceleration
19%
high energy electrons
19%
betatrons
17%
pumps
17%
relativistic electron beams
17%
wakes
17%
amplifiers
17%
laser plasma interactions
15%
coherent radiation
15%
spontaneous emission
15%
emittance
14%
simulation
14%
propagation
14%
laser beams
14%
interactions
13%
waveguides
13%
ionization
12%
radiation therapy
12%
physics
11%
shot
11%
masers
10%
wavelengths
10%
high gain
10%
peppers
9%
self focusing
9%
probes
8%
electro-optics
8%
electromagnetic radiation
8%
pulse duration
8%
synchrotron radiation
8%
kinetic theory
8%
light sources
8%
characterization
8%
Engineering & Materials Science
Electrons
51%
Laser pulses
45%
Lasers
43%
Free electron lasers
32%
Plasmas
31%
Plasma accelerators
31%
Electron beams
29%
Particle accelerators
21%
Radiation
20%
Plasma waves
18%
Plasma density
15%
Spontaneous emission
15%
Wigglers
13%
Masers
12%
Superradiance
12%
Femtosecond lasers
11%
Waveguides
10%
Plasma interactions
9%
X rays
9%
Photons
8%
Ultrashort pulses
8%
Ionization
8%
Ions
8%
Wavelength
7%
Compton scattering
7%
Synchrotron radiation
6%
Magnetic fields
6%
Scattering
6%
Plasma oscillations
6%
Electron injection
5%
Electromagnetic waves
5%
Polycyclic aromatic hydrocarbons
5%
Betatrons
5%
Electromagnetic pulse
5%
Electrooptical effects
5%