Volumetric display with holographic parallel optical access and multilayer fluorescent screen

Area of Science:

• Optics and Photonics
• Display Technology
• 3D Imaging

Background:

• Volumetric displays offer immersive 3D visualization.
• Existing technologies face limitations in voxel density and color reproduction.
• High-power excitation sources can damage display materials.

Purpose of the Study:

• To propose and demonstrate a novel volumetric display system.
• To enhance volumetric image voxelization speed and density.
• To achieve full-color voxel rendering in a volumetric display.

Main Methods:

• Utilizing holographic parallel optical access with a spatial light modulator.
• Employing two-photon excitation for voxel illumination.
• Developing a novel multilayer fluorescent screen for color generation.
• Minimizing voxel axial length through thin-layer screen design.

Main Results:

• Demonstrated increased voxel count per unit time via holographic access.
• Achieved full-color (blue-green and red) voxel display capabilities.
• Successfully minimized the axial length of displayed voxels.
• Validated the system's performance with functional volumetric displays.

Conclusions:

• The proposed holographic volumetric display significantly advances 3D imaging capabilities.
• The developed multilayer screen is crucial for high-resolution, full-color volumetric visualization.
• This approach overcomes previous limitations in volumetric display performance and color fidelity.