Laser-excited volumetric display using aerial re-imaging by parabolic mirrors

Kota Kumagai; Shun Miura; Yoshio Hayasaki

doi:10.1117/12.2593770

20 June 2021 Laser-excited volumetric display using aerial re-imaging by parabolic mirrors

Kota Kumagai, Shun Miura, Yoshio Hayasaki

Proceedings Volume 11788, Digital Optical Technologies 2021; 117880K (2021) https://doi.org/10.1117/12.2593770
Event: SPIE Digital Optical Technologies, 2021, Online Only

Abstract

A volumetric display forms three-dimensional (3D) graphics in real space by generating light emission or scattering points as volume pixels (voxels). In order to realize this display, we have proposed several types of system using femtosecond-laser-excited voxel and holographic beam control with computer-generated hologram. In our systems, a gas-state type which employs air as a screen shows touch interaction applications between user and graphics, and also demonstrated augmented reality in real 3D space. However, this system still has a challenge to display color graphics because the color of the aerial voxel is monochromatic bluish white. In this research, we try to form the graphics with multi-color by selectively re-imaging light from voxels with only arbitrary colors using two parabolic mirrors including variable color filters.

Conference Presentation

Citation Download Citation

Kota Kumagai, Shun Miura, and Yoshio Hayasaki "Laser-excited volumetric display using aerial re-imaging by parabolic mirrors", Proc. SPIE 11788, Digital Optical Technologies 2021, 117880K (20 June 2021); https://doi.org/10.1117/12.2593770

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