Physics & Astronomy
glass
100%
combustion synthesis
78%
luminescence
69%
energy transfer
58%
fluorescence
42%
oxyfluorides
40%
germanates
37%
ions
36%
europium
34%
yttrium
30%
cross relaxation
27%
augmentation
26%
energy levels
23%
ceramics
23%
semiconductor lasers
22%
photoluminescence
20%
temperature measurement
19%
phonons
19%
optical properties
18%
irradiation
18%
temperature
17%
sensitivity
16%
photons
15%
erbium
13%
performance
12%
lasers
12%
pulsed lasers
12%
pumping
12%
transmittance
12%
crystal field theory
11%
excitation
10%
body temperature
10%
quantum efficiency
10%
molecular weight
9%
human body
8%
trivalent ions
8%
wave excitation
8%
neodymium
8%
continuous wave lasers
8%
oxides
8%
temperature sensors
8%
heat
7%
pulses
7%
fluorides
6%
wavelengths
6%
glass transition temperature
6%
bandwidth
6%
continuous radiation
6%
photonics
6%
ligands
5%
heat treatment
5%
Engineering & Materials Science
Glass
68%
Energy transfer
66%
Laser beam effects
43%
Relaxation processes
42%
Infrared radiation
41%
Optical properties
35%
Semiconductor lasers
35%
Fluorescence
33%
Doping (additives)
32%
Ions
26%
Luminescence
14%
Photonics
11%
Molecular weight
10%
Bandwidth
6%
Chemical Compounds
Glass
59%
Energy Transfer
49%
Combustion Synthesis
33%
Thermometry
31%
Luminiscence Type
27%
Optical Property
20%
Fluorescence
16%
Ion
11%
Application
7%
Alkaline Earth Metal
7%
Fluoride
5%
Weight
5%