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2018•Applied OpticsRequires access

Color holographic display using single chip LCOS

Zhe Han, Boxia Yan, Qi Yan, Yanwei Wang, Yu Wang

Open publisher page 25 citations

Abstract

An algorithm for calculating a phase-only computer-generated hologram (CGH) for 3D color display using single chip liquid crystal on silicon (LCOS) is proposed. As an evolution of the G-S iteration, the proposed algorithm was obtained by replacing the Fresnel diffraction of single wavelength in the G-S algorithm with a color Fresnel diffraction process. Moreover, combined with "Ping-Pong" iteration, this algorithm was used to calculate 3D color holograms. Finally, a hologram that is capable of projecting a color 3D image was generated. Numerical simulation was performed, and an optical reconstruction system based on single spatial light modulation (SLM) was built to prove this method. Both numerical and optical reconstruction results indicated that the proposed method realized 3D color holographic display using single chip LCOS.

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What this paper is about

An algorithm for calculating a phase-only computer-generated hologram (CGH) for 3D color display using single chip liquid crystal on silicon (LCOS) is proposed. As an evolution of the G-S iteration, the proposed algorithm was obtained by replacing the Fresnel diffraction of single wavelength in the G-S algorithm with a color Fresnel diffraction process. Moreover, combined with "Ping-Pong" iteration, this algorithm was used to calculate 3D color holograms. Finally, a hologram that is capable of projecting a color 3D image was generated. Numerical simulation was performed, and an optical reconstruction system based on single spatial light modulation (SLM) was built to prove this method. Both numerical and optical reconstruction results indicated that the proposed method realized 3D color holographic display using single chip LCOS.

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Available abstract

An algorithm for calculating a phase-only computer-generated hologram (CGH) for 3D color display using single chip liquid crystal on silicon (LCOS) is proposed. As an evolution of the G-S iteration, the proposed algorithm was obtained by replacing the Fresnel diffraction of single wavelength in the G-S algorithm with a color Fresnel diffraction process. Moreover, combined with "Ping-Pong" iteration, this algorithm was used to calculate 3D color holograms. Finally, a hologram that is capable of projecting a color 3D image was generated. Numerical simulation was performed, and an optical reconstruction system based on single spatial light modulation (SLM) was built to prove this method. Both numerical and optical reconstruction results indicated that the proposed method realized 3D color holographic display using single chip LCOS.

Key concepts: Liquid crystal on silicon, Holography, Holographic display, Optics, Spatial light modulator, Computer-generated holography, Fresnel diffraction, Diffraction

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