Acta Optica Sinica, Volume. 15, Issue 10, 1404(1995)
Optical Implementations of the Fractional Fourier Transform Using Lenses
The optical structures for implementation of the fractional Fourier transform were analyzed based on the theory of impulse response functions of the lens combination optical systems, and the meaning of the standard focal length was discussed. Several general optical setups were provided. By using these setups, the standard focal length can be adjusted easily. It will be significant for designing a spatial variant fliting system with multiple cascaded optical fractional Fourier transformers.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese]. Optical Implementations of the Fractional Fourier Transform Using Lenses[J]. Acta Optica Sinica, 1995, 15(10): 1404