Double Gaussian PSF

FFT-Based Convolution with Analytical Point Spread Function

Interactive Double Gaussian PSF Simulation

PSF(x,y) = A₁ × exp(-(x²+y²)/(2σ₁²)) + A₂ × exp(-(x²+y²)/(2σ₂²))

Where A₁, A₂ are amplitudes and σ₁, σ₂ are standard deviations

Narrow Gaussian σ₁ (nm) 30 nm

Wide Gaussian σ₂ (nm) 100 nm

Narrow Amplitude A₁ 0.8

Wide Amplitude A₂ 0.2

Grid Size

Feature Size (nm) 200 nm

FWHM₁ (nm)

FWHM₂ (nm)

Peak Intensity

Total Energy