Airy Patterns and the Rayleigh Criterion
r = 2.4 µm
Airy
Patterns
D = 0.5 µm
Radial Intensity
Distribution
Illumination Cone
Sparrow Limit
Reached
Rayleigh Criterion
Reached
r = (1.22 x Wavelength) / ( 2 x N.A.)
r = (1.22 x 512) / (2 x 0.15)
r = 2.0 µm = 2039 nm
400 nm
Wavelength
0.5 µm
Sepertation Distance (D)
0.1
Numerical Aperture