Physics & Astronomy
wave generation
72%
continuous radiation
57%
pumping
51%
semiconductor lasers
35%
pulses
30%
multichannel communication
27%
continuous wave lasers
17%
Q switched lasers
17%
polaritons
14%
high power lasers
14%
radiant flux density
13%
light sources
12%
phonons
10%
microwaves
10%
high resolution
9%
spectroscopy
8%
excitation
7%
crystals
7%
Engineering & Materials Science
Terahertz waves
100%
Semiconductor lasers
45%
Q switched lasers
22%
Terahertz spectroscopy
22%
Pumping (laser)
22%
Phonons
19%
High power lasers
16%
Laser pulses
16%
Linewidth
15%
Light sources
13%
Crystals
12%
Microwaves
10%
Infrared radiation
10%
Communication
6%
Chemical Compounds
Wave
57%
Semiconductor
28%
Terahertz Spectroscopy
18%
Communication
11%
Microwave
10%