Jing Xie, Junyong Zhang, Xue Pan, Shenlei Zhou, Weixin Ma, "Multi-reference lens-less Fourier-transform holography with a Greek-ladder sieve array," Chin. Opt. Lett. 18, 020901 (2020)

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- Chinese Optics Letters
- Vol. 18, Issue 2, 020901 (2020)

Fig. 1. (a) Schematic of a Greek-ladder sieve array, in which the white area is transparent; (b) the intensity distribution of one Greek-ladder sieve along the axis; (c) the first Airy spot with a diameter of 15.2 μm; (d) the second Airy spot with a diameter of 21.5 μm.

Fig. 2. Schematic of multiple reference lens-less Fourier-transform holography, in which the Greek-ladder sieve array plays the role of splitter, and condenser lenses and the three pinholes work as filters and quasi-point light sources on the object plane.

Fig. 3. (a) Test object with four transparent lines, anti-clockwise from the upper-right corner: , , , and ; (b) hologram on the CCD with ; (c) reconstructed image ( ); (d) enlargement of one subgraph ( ); (e) weighted-average reconstruction from the three subgraphs in (c) ( ).

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