Physics
Wave optics
Fraunhofer interference and diffraction; optional two-dimensional wave solver.
What happens
Fraunhofer interference and diffraction; optional two-dimensional wave solver.
I/I₁(0) = sinc²(β) [sin(Nγ)/sin γ]²; I(0)/I₁(0) = N²
Equations used in the module
Equations β = πa sin θ/λ; γ = πd sin θ/λ I/I₁(0) = sinc²(β) [sin(Nγ)/sin γ]²; I(0)/I₁(0) = N² 0 < a ≤ d; d sin θ = mλ a sin θ = mλ, m ≠ 0: I = 0 u_tt = c²(u_xx+u_yy); cΔt√(1/Δx²+1/Δy²) ≤ 1
