Abstract
An optical Fourier processor that allows the use of broadband light
sources and colored inputs is designed, fabricated, and tested. We
develop a design technique based on phase manipulation in the Fourier
plane to construct an image processor that provides a chromatically
corrected image making use of the good aberrations behavior of
symmetrical optical systems. Only a small number of diffractive
lenses and one achromatic refractive lens are required to obtain a real
image. We verify our design experimentally using holographic
lenses, which are presented, owing to their versatility, as a good
alternative to expensive blazed diffractive elements.
© 2001 Optical Society of America
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