FRAUNHOFER DIFFRACTION
Far-field diffraction patterns — single slit, double slit, circular aperture
Aperture Type
Single Slit
Double Slit
Circular Aperture
N-Slit Grating
Wavelength λ:
550
nm
Slit Width a:
0.10
mm
Slit Separation d:
0.25
mm
N Slits:
2
Screen Distance:
1.0
m
Animate λ: OFF
I(θ) = I₀ sinc²(πa sinθ/λ) for single slit