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(1)¡¡Optical Fourier-transform theory based on geometrical optics Optical Engineering, Vol.41, No.1, pp.13-16, 2002-1
¡¡A new theory of the Fourier-transform property of a lens, based on geometrical optics instead of diffraction and wave optics, is presented. This simple theory is useful for quick understanding of optical correlators and other Fourier optical processors.
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