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Appl Opt. 2013 Jan 1;52(1):A281-9. doi: 10.1364/AO.52.00A281.

Floating volumetric image formation using a dihedral corner reflector array device.

Author information

1
Graduate School of Engineering, Osaka City University, 3-3-139 Sugimoto, Osaka 558-8585, Japan. miyazaki@elec.eng.osaka‐cu.ac.jp

Abstract

A volumetric display system using an optical imaging device consisting of numerous dihedral corner reflectors placed perpendicular to the surface of a metal plate is proposed. Image formation by the dihedral corner reflector array (DCRA) is free from distortion and focal length. In the proposed volumetric display system, a two-dimensional real image is moved by a mirror scanner to scan a three-dimensional (3D) space. Cross-sectional images of a 3D object are displayed in accordance with the position of the image plane. A volumetric image is observed as a stack of the cross-sectional images. The use of the DCRA brings compact system configuration and volumetric real image generation with very low distortion. An experimental volumetric display system including a DCRA, a galvanometer mirror, and a digital micro-mirror device was constructed to verify the proposed method. A volumetric image consisting of 1024×768×400 voxels was formed by the experimental system.

PMID:
23292404

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