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Full-Space Three-Dimensional Holograms Enabled by a Reflection-Transmission Integrated Reconfigurable Metasurface
Rui Feng1,2, Yaokai Yu1,2, Dongyang Wu1,2
1State key Laboratory of Extreme Environment Optoelectronic Dynamic Measurement Technology and Instrument, North University of China, Taiyuan 030051, China.
Nanomaterials (Basel, Switzerland)
|July 25, 2025
Summary
Researchers developed a reconfigurable metasurface to create full-space 3D holograms. This technology enables advanced millimeter-wave imaging and data storage applications with potential for 3D displays and secure anti-counterfeiting.
Area of Science:
- Metamaterials and Nanophotonics
- Electromagnetics and Wave Manipulation
- Holography and Imaging
Background:
- Metasurfaces offer precise control over electromagnetic waves.
- Holographic technology is crucial for advanced imaging and data storage.
- Reconfigurable metasurfaces enable dynamic control of wave properties.
Purpose of the Study:
- To realize full-space three-dimensional holograms using a reflection-transmission integrated reconfigurable metasurface.
- To demonstrate dynamic holographic pattern generation through electronic tuning of meta-atoms.
- To explore potential applications in millimeter-wave imaging, data storage, and display technologies.
Main Methods:
- Fabrication of a reflection-transmission integrated reconfigurable metasurface.
- Utilizing electronically tunable meta-atoms for phase control.
- Implementation of a modified weighted Gerchberg-Saxton (WGS) algorithm for hologram generation.
- Numerical simulations and experimental measurements for validation.
Main Results:
- Achieved nearly 360° phase coverage in reflection and 180° in transmission.
- Generated an octahedron hologram in reflection space at 6.25 GHz.
- Generated a diamond hologram in transmission space at 6.75 GHz.
- Validated full-space hologram generation through simulations and experiments.
Conclusions:
- The developed metasurface successfully generates full-space 3D holograms with dynamic control.
- This technology holds promise for next-generation 3D displays, high-capacity optical communication, and anti-counterfeiting solutions.
- The findings represent a significant advancement in metasurface-based holographic applications.
