from two distant point sources separated
by an angle 
is incident
upon a lens of diameter D. In each case the observation plane is the back focal plane
of the lens. According to Rayleigh's criterion the images are resolvable if and only if
The images below depict the irradiance pattern produced when light of wave length
from two distant point sources separated
by an angle is incident
upon a lens of diameter D. In each case the observation plane is the back focal plane
of the lens. According to Rayleigh's criterion the images are resolvable if and only if
= 601 nm, and D = 4696 microns, and varying ,
 
|
 
|
 
|
 
|
Keeping the angle and diameter constant at = 0.0001906 rad, and D = 4553 microns and varying
,
 = 471 nm
|
 = 547 nm
|
 = 590 nm
|
 = 711 nm
|
Keeping the angle and wave length constant at = 0.0002141 rad, = 545 nm,
 D = 5818 microns |
 D = 5005 microns |
 D = 3846 microns |
 D = 3128 microns |
Created by Srihari Angaluri
and Kiril Vidimce
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