An alternative way to perform fractional Fourier transform is proposed. The system is illuminated by a divergent beam. It has one more degree of freedom in arrangement than the previous system. Mathematically, the cho...An alternative way to perform fractional Fourier transform is proposed. The system is illuminated by a divergent beam. It has one more degree of freedom in arrangement than the previous system. Mathematically, the choice of focal length of one of the two lenses depends on an easily adjustable parameter which determines the location of illuminating point source.展开更多
文摘An alternative way to perform fractional Fourier transform is proposed. The system is illuminated by a divergent beam. It has one more degree of freedom in arrangement than the previous system. Mathematically, the choice of focal length of one of the two lenses depends on an easily adjustable parameter which determines the location of illuminating point source.
