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Scalable coarse integral holographic video display with integrated spatial image tiling
Optics Express
|April 1, 2020
Summary
This study introduces a scalable Coarse Integral Holography (CIH) display using multiple spatial light modulators (SLMs) to double image size and field-of-view (FOV). This advancement enables larger, wider holographic 3D imaging. Keywords: holographic display, scalable, field-of-view, spatial light modulator.
Area of Science:
- Optics and Photonics
- Display Technology
- 3D Imaging
Background:
- Previous Coarse Integral Holography (CIH) displays had limited size and field-of-view (FOV) despite using high-bandwidth spatial light modulators (SLMs).
- Scanning holographic images from a single SLM restricted the achievable display dimensions.
Purpose of the Study:
- To develop a scalable CIH display system capable of larger image sizes and wider FOVs.
- To demonstrate a method for seamless spatial tiling of holographic images from multiple SLMs.
Main Methods:
- Proposed a scalable approach utilizing seamless spatial tiling of full-bandwidth images from two high-bandwidth SLMs.
- Employed a resonant scanner and a high-performance galvanometric scanner for image tiling.
- Integrated full-parallax holographic 3D images into the proof-of-concept system.
Main Results:
- Achieved a scalable CIH display with twice the final image size and doubled horizontal FOV.
- Successfully demonstrated a proof-of-concept system with integrated full-parallax holographic 3D images.
- The system effectively tiled holographic content from multiple SLMs.
Conclusions:
- The proposed method offers a scalable solution for large-size, wide-FOV holographic displays.
- This technique has the potential to scale further by tiling images from more than two SLMs.
- Advancements in CIH display technology pave the way for more immersive holographic experiences.
