Rayleigh Criterion (Angular Resolution)
θ = 1.22·λ / D
What it says
Gives the minimum angular separation resolvable by a circular aperture of a given diameter at a given wavelength.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
λ | Wavelength (m) | L |
D | Aperture diameter (m) | L |
θ | Minimum resolvable angle (rad) | 1 |
Work it out
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Connects to
Filed under Optics · derive through it in the explorer