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13 March 2024 Wavelength-multiplexed orbital angular momentum meta-holography
Jaehyuck Jang, Junsuk Rho, Seong-Won Moon, Joohoon Kim
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Proceedings Volume PC12897, High Contrast Metastructures XIII; PC1289708 (2024) https://doi.org/10.1117/12.3001275
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
In our study, we introduce wavelength-multiplexed orbital angular momentum meta-holography, aiming to expand holographic information channels by leveraging light's wavelength and orbital angular momentum (OAM). We selectively employed red, green, and blue as primary colors, and incorporated four unique OAM channels (-2, -1, 1, and 2). Through the utilization of a metasurface comprising three distinct types of wavelength-selective meta-atoms, we successfully encoded the twelve holographic images onto a single metasurface. This advancement holds significant potential for applications in various fields, providing opportunities for advanced holography and augmented reality systems.
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Jaehyuck Jang, Junsuk Rho, Seong-Won Moon, and Joohoon Kim "Wavelength-multiplexed orbital angular momentum meta-holography", Proc. SPIE PC12897, High Contrast Metastructures XIII, PC1289708 (13 March 2024); https://doi.org/10.1117/12.3001275
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KEYWORDS
Angular momentum
Holography
Color
Crosstalk
Design and modelling
Holograms
Switching
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