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A computer model is presented that can be used to determine the image formed by a 8-f Fourier imaging system. With the model we optimised data density in a thin film Fourier holographic arrangement. Results of the simulations were experimentally verified in the holographic memory
card system. We optimised the capacity in function of sparsity and Fourier filtering close to the Nyquist aperture. We achieved a data density of 1.1-bit/μm2. Our results suggest that the sparse pages combined with spatially filtered Fourier spectrum lead to better performance
compared to balanced codes.