ΔL = 0 nm
Δφ = 0 waves
Pattern: —
Δφ = 0 waves
Pattern: —
Path difference ΔL = 2(d₁ − d₂)
Bright fringes: ΔL = mλ
Dark fringes: ΔL = (m+½)λ
In the circular fringe pattern, rings contract/expand as ΔL changes by λ/2.
Bright fringes: ΔL = mλ
Dark fringes: ΔL = (m+½)λ
In the circular fringe pattern, rings contract/expand as ΔL changes by λ/2.