Physics & Astronomy
ignition
93%
liquid oxygen
80%
lasers
73%
combustion chambers
63%
injectors
61%
ignition systems
52%
waveguides
45%
YAG lasers
39%
photonics
39%
Raman spectroscopy
34%
solid state lasers
34%
chips
32%
silicon
31%
sensors
30%
rockets
30%
methane
30%
gases
29%
holography
26%
microelectromechanical systems
23%
diodes
23%
silicon nitrides
23%
mirrors
23%
thrust chambers
22%
thermal lensing
22%
plasmons
22%
end effectors
21%
silicon oxides
21%
gallium selenides
21%
igniters
20%
infrared absorption
20%
indium selenides
20%
emitters
20%
configurations
20%
resonators
20%
propellants
20%
spark ignition
20%
internal combustion engines
18%
torches
17%
laser-induced breakdown spectroscopy
16%
stress analysis
16%
performance
16%
radiation counters
16%
figure of merit
15%
engines
15%
breakdown
15%
high power lasers
15%
strip
15%
characterization
15%
manufacturing
14%
wafers
14%
pulses
14%
solar cells
14%
absorbers
14%
slots
13%
absorbers (materials)
13%
thermal expansion
13%
ellipsometry
13%
coupled modes
13%
cryogenics
12%
inspection
12%
light emission
12%
nitrides
12%
temperature measurement
12%
energy
12%
pumps
12%
slabs
11%
fine structure
11%
modules
11%
cavities
11%
damage
11%
temperature distribution
11%
emerging
10%
simulation
10%
quantum dots
10%
nonintrusive measurement
10%
vapor deposition
10%
silicon dioxide
10%
temperature
10%
laser plasmas
10%
amplifier design
10%
engineering
10%
steels
10%
copper
9%
laser cavities
9%
photoluminescence
9%
heat
9%
thermal boundary layer
8%
products
8%
evaluation
8%
flight
8%
switches
8%
cells
8%
high resolution
8%
optimization
8%
thin films
8%
metals
8%
wavelengths
8%
propagation
8%
cooling
8%
Engineering & Materials Science
Evanescent fields
100%
Waveguides
69%
Lasers
64%
MOEMS
64%
Ignition
60%
Photonics
53%
Plasmons
48%
Chemical sensors
47%
Silicon nitride
41%
Combustion chambers
41%
Infrared radiation
40%
Ignition systems
29%
Rockets
29%
Particle detectors
28%
Silicon
24%
Propellants
24%
Laser damage
23%
Gases
23%
Neodymium lasers
22%
High energy lasers
22%
Infrared absorption
21%
Radiation counters
21%
Sensors
20%
Silicon photonics
20%
Fused silica
19%
Profilometry
18%
Level measurement
18%
Diodes
17%
Predictive maintenance
17%
Plasmonics
17%
Phase control
17%
Geometry
17%
Grippers
16%
Patents and inventions
16%
Electric sparks
15%
Liquids
14%
Light sources
14%
Lighting
14%
End effectors
14%
Cryogenics
14%
Mirrors
13%
Combustors
13%
Internal combustion engines
13%
Slags
13%
Costs
13%
Scattering
12%
Resonators
12%
Fires
12%
Methane
12%
Monitoring
12%
Rocket engines
12%
Nozzles
11%
Numerical analysis
11%
Hydrodynamics
11%
Analytical models
11%
Feedback
11%
Demonstrations
10%
Laser pulses
10%
Microsystems
10%
Metals
10%
Machine learning
10%
Wavelength
9%
Photodetectors
8%
Semiconductor lasers
8%
Finite difference time domain method
8%
Hot Temperature
8%
Steel
7%
Ray tracing
7%
Infrared detectors
7%
Temperature
7%
Engines
7%
Modal analysis
7%
Cooling
6%
Yttrium aluminum garnet
6%
Laser produced plasmas
6%
Polysilicon
6%
Neodymium
6%
Recycling
6%
Microcontrollers
6%
Plasmas
6%
Automobile electronic equipment
6%
Spark plugs
6%
Cooling water
6%
Vacuum
6%
Consumer electronics
5%
Optical sensors
5%
Laser ablation
5%
Bragg reflectors
5%
Gas generators
5%
Optical waveguides
5%
Belt drives
5%