Analysis of optical characteristics of photopolymer-based VHOE for multiview autostereoscopic 3D display system

Byung-Chul Cho; Jung-Sik Gu; Eun-Soo Kim

doi:10.1117/12.469263

3 June 2002 Analysis of optical characteristics of photopolymer-based VHOE for multiview autostereoscopic 3D display system

Byung-Chul Cho, Jung-Sik Gu, Eun-Soo Kim

Author Affiliations +

Proceedings Volume 4659, Practical Holography XVI and Holographic Materials VIII; (2002) https://doi.org/10.1117/12.469263
Event: Electronic Imaging, 2002, San Jose, California, United States

Abstract

Generally, an autostereoscopic display presents a 3D image to a viewer without the need for glasses or other encumbering viewing aids. In this paper, we propose a new autostereoscopic 3D video display system which allows viewers to observe 3D images in the same range of viewing angle. In this system, a photopolymer-based VHOE is made from volume holographic recording materials and it is used for projecting a multiview images to the spatially different directions sequentially in time. Since this technique is based on the VHOE made from the photorefractive photopolymer instead of the conventional parallax barrier or lenticular sheet, the resolution and parallax number of the proposed VHOE-based 3D display system are limited by the photopolymer's physical and optical properties. To make the photopolymer to be applicable for a multiview autostereoscopic 3D display system, the photopolymer must be capable of achieving some properties such as a low distortion of the diffracted light beam, high diffraction efficiency, and uniform intensities of the reconstructed diffracted lights from the fully recorded diffraction gratings. In this paper, the optical and physical characteristics of the DuPont HRF photopolymer-based VHOE such as a distortion of displayed image, uniformity of the diffracted light intensity, photosensitivity and diffraction efficiency are measured and discussed.

Citation Download Citation

Byung-Chul Cho, Jung-Sik Gu, and Eun-Soo Kim "Analysis of optical characteristics of photopolymer-based VHOE for multiview autostereoscopic 3D display system", Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); https://doi.org/10.1117/12.469263

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