Design of dynamically adjustable anamorphic fractional Fourier transformer
Erden, M. F.
Haldun M. Özaktaş
Elsevier BV * North-Holland
52 - 60
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We form optical systems by using only free space portions and cylindrical lenses, and consider these systems as anamorphic fractional Fourier transformers. We dynamically adjust the transform order, scale factor and field curvature of both orthogonal dimensions of anamorphic fractional Fourier transformation by just changing the focal lengths of cylindrical lenses used in the proposed setups. Here, we also consider two approaches for implementing cylindrical lenses with dynamically adjustable focal lengths. There may also be some other methods to obtain cylindrical lenses having adjustable focal lengths which can successfully be used in these proposed setups.
Optical instrument lenses
Anamorphic fractional Fourier transformation