1.Department of Family Medicine, Ewha Womans University College of Medicine, Seoul 07804, South Korea
2.Department of Physics, Gachon University, Seongnam, Gyeonggi-do 13120, South Korea
Daeho Yang (sheepvs5@gachon.ac.kr)
收稿日期:2024-09-25,
修回日期:2025-02-23,
录用日期:2025-03-09,
网络出版日期:2025-05-12,
纸质出版日期:2025-07-31
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Spatial incoherence-driven optical reconstruction of holograms with observer shift-invariance[J]. LSA, 2025,14(7):1942-1953.
Sohn, Y. J. & Yang, D. Spatial incoherence-driven optical reconstruction of holograms with observer shift-invariance. Light: Science & Applications, 14, 1942-1953 (2025).
Spatial incoherence-driven optical reconstruction of holograms with observer shift-invariance[J]. LSA, 2025,14(7):1942-1953. DOI: 10.1038/s41377-025-01823-z.
Sohn, Y. J. & Yang, D. Spatial incoherence-driven optical reconstruction of holograms with observer shift-invariance. Light: Science & Applications, 14, 1942-1953 (2025). DOI: 10.1038/s41377-025-01823-z.
Coherence preserves phase consistency between wavefields
enabling accurate recording and reconstruction in holography. Although recent advances in computational optics have realized holographic data acquisition using incoherent light by computationally retrieving information
optical reconstruction still requires partially coherent light sources. We demonstrate a hologram that reconstructs 3-dimensional distribution utilizing incoherence. By decomposing incoherent light into infinitesimal coherent lights and calculating their propagations
the incoherent sum is optimized to resemble the desired 3-dimensional scene
whereas individual coherent lights reconstruct completely different intensities. Incoherence provides high image quality and a wide eyebox
with the reconstructed intensity remaining shift-invariant under pupil displacement
allowing a 1000-fold expansion of the eyebox. We confirm the shift-invariance through a proof-of-concept experiment and demonstrate real-time synthesis of incoherent holograms using a neural network
significantly reducing computational costs. Our method could inspire new approaches in photonics using incoherent light and be practically adopted in holographic displays.
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