Engineering & Materials Science
Photons
100%
Femtosecond lasers
83%
Air
76%
Lasers
66%
Raman scattering
61%
Stimulated emission
59%
Ionization
54%
Nitrogen
46%
Laser pulses
43%
Microwaves
42%
Excited states
39%
Spectroscopy
38%
Imaging techniques
38%
Velocity measurement
37%
Scattering
36%
Plasmas
35%
Conjugated polymers
34%
Raman spectroscopy
33%
Radar
31%
Oxygen
28%
Four wave mixing
25%
Slow light
22%
Pumps
21%
Molecules
20%
Wavelength
19%
Electric field measurement
18%
Calcite
18%
Atoms
17%
Photoexcitation
17%
Photoluminescence
16%
Rayleigh scattering
16%
Remote sensing
16%
Electric fields
14%
Polarization mode dispersion
14%
Nitric oxide
14%
Harmonic generation
14%
Temperature measurement
14%
Hyperspectral imaging
13%
Molecular oxygen
13%
Gases
12%
Hypersonic flow
12%
Quantum efficiency
12%
Blood
11%
Polymer blends
11%
Carrier concentration
11%
Vibrational spectra
11%
Infrared radiation
11%
Energy transfer
11%
Atmospheric pressure
11%
Photoconductivity
10%
Fibers
10%
Charge carriers
10%
Liquids
10%
Ultrashort pulses
10%
Hydrogen
10%
Temperature
10%
Hypersonic aerodynamics
10%
Photonic crystal fibers
10%
Boundary layers
9%
Argon
9%
Flow velocity
9%
Explosives detection
9%
Radar measurement
9%
Saturable absorbers
9%
Electrons
9%
Flow measurement
9%
Nonlinear optics
9%
Vapors
9%
Plasma devices
9%
Fluorescence
8%
Monitoring
8%
Sapphire
8%
Krypton
8%
Flow structure
8%
Wind tunnels
7%
Ultraviolet lasers
7%
Excitons
7%
Tunnels
7%
Mach number
7%
Light sources
7%
Spontaneous emission
6%
Dyes
6%
Electric potential
6%
Single crystals
5%
Linewidth
5%
Xenon
5%
Amplification
5%
Time delay
5%
Polymers
5%
Methane
5%
Refraction
5%
Wavelength division multiplexing
5%
Mirrors
5%
Ignition
5%
Photophysics
5%
Carrier lifetime
5%
Gain measurement
5%
Anomaly detection
5%
Rubidium
5%
Microstructure
5%
Physics & Astronomy
air
52%
microwave scattering
42%
pulses
39%
lasing
38%
lasers
34%
photons
33%
Raman spectroscopy
28%
Raman spectra
27%
excitation
27%
ionization
23%
stimulated emission
22%
propagation
21%
marking
18%
oxygen
18%
radar
16%
radar detection
16%
nitrogen
15%
pumps
15%
dissociation
14%
polymers
13%
spores
12%
pumping
12%
electric fields
12%
group velocity
12%
blood
12%
molecules
11%
probes
11%
nitric oxide
11%
ultraviolet lasers
10%
electronics
10%
polymer blends
10%
fragments
10%
spectroscopy
10%
acids
10%
high gain
10%
microwaves
9%
energy transfer
9%
four-wave mixing
9%
velocity measurement
9%
plasma jets
9%
explosives detection
8%
fibers
8%
calcite
8%
air flow
8%
shot
8%
coherent scattering
7%
apertures
7%
wavelengths
7%
radar measurement
7%
liquids
7%
vibrational spectra
7%
atmospheric pressure
7%
temperature measurement
7%
quantum efficiency
7%
electron recombination
7%
Rayleigh scattering
7%
magnetic anomalies
6%
interactions
6%
hypersonic flow
6%
high voltages
6%
gases
6%
electron attachment
6%
harmonic generations
6%
neutral atoms
6%
photoexcitation
6%
spontaneous emission
6%
charge carriers
6%
velocity distribution
6%
scattering
5%
photoconductivity
5%
photoluminescence
5%
discrimination
5%
methane
5%
energy
5%
shift
5%
ignition
5%
wings
5%
microstructure
5%
Chemical Compounds
Stimulated Emission
40%
Coherent Anti-Stokes Resonance Raman Spectroscopy
30%
Excited State Absorption
22%
Conjugated Polymer
20%
Pump
19%
Four Wave Mixing
12%
Electronic Excitation
12%
Electric Field
11%
Forster Synthesis
11%
Dissociation
11%
Dioxygen
10%
Refraction
10%
Excited State
10%
Photoexcitation
9%
Energy Transfer
9%
Poly(phenylene) Polymer
9%
Nitrogen
8%
Microwave
8%
Vibrational Spectrum
8%
Charge Carrier
8%
Blood Analysis
7%
Time
7%
Polycrystalline Film
7%
Flow
7%
Multiphoton Ionization (MPI)
7%
Photoconductivity
7%
Ionization
6%
NIR Spectroscopy
6%
Luminiscence Type
6%
Exciton
6%
Scattering Spectroscopy
6%
Photoluminescence
6%
Gas
6%
Probe
6%
Pink
6%
Optical Limiting
5%
Second-Harmonic Generation
5%
Energy
5%
Thomson Scattering
5%
Carrier Generation and Recombination
5%