Remember that widening an aperture in the spatial domain narrows the diffraction pattern in the frequency domain.
approximations. The work involves determining when it is mathematically "safe" to simplify a complex wave integral based on the distance from an aperture. Frequency Analysis of Imaging Systems : Goodman introduces the Optical Transfer Function (OTF) Modulation Transfer Function (MTF) introduction to fourier optics goodman solutions work
PSF = np.abs(np.fft.fftshift(np.fft.fft2(pupil)))**2 Remember that widening an aperture in the spatial