Physics & Astronomy
waveguides
97%
gratings
86%
whispering gallery modes
63%
tomography
54%
chips
51%
laser cavities
51%
spectrometers
50%
polarization
39%
bioinstrumentation
36%
resonators
35%
beam waveguides
34%
lasers
33%
performance
32%
signal fading
30%
oxynitrides
30%
fabrication
30%
platforms
30%
cavities
29%
divergence
28%
rare earth elements
27%
wavelengths
25%
Fourier analysis
25%
sensors
25%
collimation
24%
ring lasers
24%
lenses
22%
balls
22%
photonics
22%
optical waveguides
21%
couplers
20%
teeth
19%
Q factors
18%
rings
18%
Raman spectroscopy
18%
silicon
18%
output
17%
light sources
17%
polymers
16%
illumination
16%
electron beams
15%
urine
15%
ions
15%
Raman spectra
14%
decoupling
12%
thermal emission
12%
fading
12%
water
12%
laser modes
12%
misalignment
10%
CMOS
9%
Engineering & Materials Science
Aluminum oxide
100%
Refractive index
70%
Photonics
42%
Laser resonators
37%
Resonators
37%
Optical tomography
37%
Arrayed waveguide gratings
33%
Wavelength
32%
Ring lasers
32%
Waveguides
31%
Lasers
29%
Biosensors
26%
Laser modes
25%
Rare earths
23%
Polarization
23%
Biomarkers
22%
Fabrication
19%
Oxidation
19%
Ions
17%
Optical losses
17%
Luminescence
15%
Sputtering
13%
Photolithography
13%
Doping (additives)
12%
Etching
11%
Sensors
11%
Spectrometers
10%
Flow of gases
10%
Air
9%
Labels
9%
Light sources
7%
Optical gain
7%
Photonic devices
6%
Costs
6%
Integrated optics
5%
Ophthalmology
5%
Histology
5%
Cardiology
5%