The Interference Background Image
        Σ1
                Amplitude
                Phase
                
                
                Σ2
                    
                λ = 400 nm
                    λ = 550 nm
                    λ = 700 nm
                Blue
                    Green
                    Red
                Δ = 600 nm
            Interference
Color
                
            Color
Optical Path Differeence (Δ): 600 nm