Engineering & Materials Science
Photons
100%
Binary sequences
74%
Optical radar
70%
Semiconductor lasers
69%
Wavelength
49%
Earth (planet)
47%
Distributed feedback lasers
45%
Avalanche photodiodes
44%
Detectors
44%
Solid state lasers
43%
Light modulators
40%
Gallium arsenide
40%
Indium
36%
Telescopes
33%
Climate change
30%
Autocorrelation
29%
Signal to noise ratio
23%
Acoustics
23%
Carbon
21%
Feedback
17%
Physics & Astronomy
differential absorption lidar
79%
carbon cycle
50%
photons
46%
indium gallium arsenides
45%
climate change
44%
semiconductor lasers
43%
negative feedback
37%
distributed feedback lasers
31%
detectors
31%
solid state lasers
29%
retrieval
29%
misalignment
27%
autocorrelation
27%
low noise
27%
avalanches
27%
linearity
27%
wavelengths
26%
field of view
26%
photodiodes
25%
modulators
24%
envelopes
24%
signal to noise ratios
23%
telescopes
21%
atmospheres
19%
saturation
19%
requirements
19%
energy
16%
acoustics
16%
pulses
14%
Earth & Environmental Sciences
laser
63%
lidar
54%
detector
49%
wavelength
42%
gallium
36%
indium
35%
avalanche
31%
field of view
31%
feasibility study
30%
linearity
30%
semiconductor
30%
solid state
29%
signal-to-noise ratio
27%
carbon cycle
27%
energy source
27%
autocorrelation
27%
acoustics
23%
code
21%
saturation
20%
atmosphere
16%
climate change
16%
need
15%
energy
13%
parameter
9%
rate
9%