Mathematics
Ytterbium
100%
Erbium
96%
Optical Fiber
66%
Radiation
47%
Fiber
17%
Dose
16%
Erbium-doped Fiber
9%
Transmittance
8%
Photodarkening
7%
Spacecraft
6%
Orbit Space
6%
Period of time
6%
Wavelength
5%
Absorbing
5%
Resistance
5%
Monitoring
5%
Collision
5%
Engineering & Materials Science
Photochromism
89%
Ytterbium
76%
Erbium
70%
Optical fibers
47%
Radiation
35%
Fibers
25%
Gamma rays
18%
Ionizing radiation
10%
Dosimetry
9%
Protons
9%
Orbits
6%
Wavelength
6%
Earth (planet)
6%
Physics & Astronomy
ytterbium
50%
erbium
43%
optical fibers
34%
fibers
25%
radiation
24%
dosage
17%
gamma rays
13%
low Earth orbits
11%
background radiation
10%
radiation tolerance
10%
ionizing radiation
9%
vehicles
8%
transmittance
7%
protons
5%
collisions
5%
Chemical Compounds
Fiber
29%
Dose
13%
Ionizing Radiation
11%
Transmittance
9%
Collision
9%
Wavelength
6%
Proton
5%
Resistance
5%
Environment
5%