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Proceedings Paper

Lens customization method to minimize aberration in integral imaging
Author(s): Matheus Miranda; Jonghyun Kim; Keehoon Hong; Byoungho Lee
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Paper Abstract

Conventionally the elemental lenses of the lens-array used in integral imaging have spherical surface profiles, thus they suffer from intrinsic lens aberrations such as spherical aberration and astigmatism. Aberrations affect the ability of the lens to focus light in a single point, or to collimate light from a point source. In integral imaging, this results in a loss of image quality of the reconstructed image due to distortions. The viewing characteristics of the integral imaging system, such as viewing angle and image resolution, are also affected by aberrations. We propose the use of a custom made aspherical lens-array which was specifically designed to minimize distortions due to aberrations and hence improve the reconstructed image quality. Ray optics calculations are used in order to analyze the aberrations and find the initial lens surface profile. Lens optimization is performed with the aid of numerical simulation software. The designed lens-array is compared to a conventional spherical lens-array of same properties. The design, optimization, and fabrication processes are described and the experiments are presented and compared with the computer simulations.

Paper Details

Date Published: 15 October 2015
PDF: 7 pages
Proc. SPIE 9676, AOPC 2015: Optical Design and Manufacturing Technologies, 96760X (15 October 2015); doi: 10.1117/12.2200946
Show Author Affiliations
Matheus Miranda, Seoul National Univ. (Korea, Republic of)
Jonghyun Kim, Seoul National Univ. (Korea, Republic of)
Keehoon Hong, Electronics and Telecommunications Research Institute (Korea, Republic of)
Byoungho Lee, Seoul National Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 9676:
AOPC 2015: Optical Design and Manufacturing Technologies
Lin Li; Kevin P. Thompson; Ligong Zheng, Editor(s)

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