Optimization of Self-Interference Digital Holographic System Based on Collins Formula

Fig. 1. Schematic of SIDH system based on GPL and its effect on different types of light. (a) Schematic of SIDH system based on GPL; (b) liquid crystal orientation in the GPL; lightpath of incident light of (c) RCP, (d) LCP, and (e) LP on GPL

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Fig. 2. Schematic of phase effects on polarized light in the SIDH system based on GPL

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Fig. 3. Optical propagation in the SIDH system ( $u_{01}$ is RCP light and $u_{02}$ is LCP light)

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Fig. 4. Experimental setup

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Fig. 5. Experimental results of a priori experiment. Holograms with phase shifts of (a) 0, (b) π/2, (c) π, and (d) 3π/2; (e) amplitude map; (f) phase map; (g) reconstructed image at $z_{r e c} = 29.4 m m$

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Fig. 6. Holograms from experiment 1. Holograms with phase shifts of (a) 0, (b) π/2, (c) π, and (d) 3π/2; (e) amplitude map; (f) phase map

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Fig. 7. Reconstructed images from experiment 1 at different reconstruction distances. (a)(b) $189.3 m m$ ; (c) $187.3 m m$ ; (d) $191.3 m m$

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Fig. 8. Variation in $k$ with $z_{0}$ and $z_{h}$

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Fig. 9. Experimental results. (a)‒(c) Phase distribution and reconstructed images at $z_{r e c} = 826.0 m m$ in experiment 2; (d)‒(f) phase distribution and reconstructed images at $z_{r e c} = 328.0 m m$ in experiment 3

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Table 1. Experimental conditions and results for three experiments

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Table 1. Experimental conditions and results for three experiments

Experiment	$z_{0} / m m$	$z_{h} / m m$	$z_{r e c}$			Parameter $k$	Resolution / $(l p / m m)$
Experiment	$z_{0} / m m$	$z_{h} / m m$	Theoretical $/ m m$	Actual $/ m m$	Error /%	Parameter $k$	Ideal	Actual
1	14	30	$186.3$	189.3	1.58	1.2960	56.6	25.398
2	14	80	$821.6$	826.0	0.53	1.0258	56.6	40.318
3	15	48	324.0	328.0	1.20	0.8099	52.1	50.797

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Yating Wang, Kongsong Xue, Mengyao Mao, Canhua Xu. Optimization of Self-Interference Digital Holographic System Based on Collins Formula[J]. Acta Optica Sinica, 2025, 45(1): 0109001

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Paper Information

Category: Holography

Received: Aug. 16, 2024

Accepted: Sep. 18, 2024

Published Online: Jan. 23, 2025

The Author Email: Xu Canhua (xucanhua@fzu.edu.cn)

DOI:10.3788/AOS241435

CSTR:32393.14.AOS241435

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology