Multi-reference lens-less Fourier-transform holography with a Greek-ladder sieve array

Jing Xie; Junyong Zhang; Xue Pan; Shenlei Zhou; Weixin Ma

doi:10.3788/COL202018.020901

Journals >Chinese Optics Letters >Volume 18 >Issue 2 >Page 020901 > Article

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

Multi-reference lens-less Fourier-transform holography with a Greek-ladder sieve array

Jing Xie¹, Junyong Zhang^1、*, Xue Pan¹, Shenlei Zhou¹, and Weixin Ma²

Author Affiliations

¹Key Laboratory of High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Shanghai Institute of Laser Plasma, China Academy of Engineering Physics, Shanghai 201800, China

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DOI: 10.3788/COL202018.020901 Cite this Article Set citation alerts

Jing Xie, Junyong Zhang, Xue Pan, Shenlei Zhou, Weixin Ma. Multi-reference lens-less Fourier-transform holography with a Greek-ladder sieve array[J]. Chinese Optics Letters, 2020, 18(2): 020901 Copy Citation Text

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(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 z 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. 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

z

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.

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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. 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.

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Fig. 3. (a) Test object with four transparent lines, anti-clockwise from the upper-right corner:

50 μm \times 250 μm

100 μm \times 200 μm

150 μm \times 150 μm

, and

200 μm \times 300 μm

; (b) hologram on the CCD with

1024 \times 1024 pixels

; (c) reconstructed image (

1024 \times 1024 pixels

); (d) enlargement of one subgraph (

101 \times 101 pixels

); (e) weighted-average reconstruction from the three subgraphs in (c) (

101 \times 101 pixels

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Jing Xie, Junyong Zhang, Xue Pan, Shenlei Zhou, Weixin Ma. Multi-reference lens-less Fourier-transform holography with a Greek-ladder sieve array[J]. Chinese Optics Letters, 2020, 18(2): 020901

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