Lens customization method to minimize aberration in integral imaging

Matheus Miranda; Jonghyun Kim; Keehoon Hong; Byoungho Lee

doi:10.1117/12.2200946

15 October 2015 Lens customization method to minimize aberration in integral imaging

Matheus Miranda, Jonghyun Kim, Keehoon Hong, Byoungho Lee

Proceedings Volume 9676, AOPC 2015: Optical Design and Manufacturing Technologies; 96760X (2015) https://doi.org/10.1117/12.2200946
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

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.

Citation Download Citation

Matheus Miranda, Jonghyun Kim, Keehoon Hong, and Byoungho Lee "Lens customization method to minimize aberration in integral imaging", Proc. SPIE 9676, AOPC 2015: Optical Design and Manufacturing Technologies, 96760X (15 October 2015); https://doi.org/10.1117/12.2200946

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KEYWORDS

Monochromatic aberrations

Lens design

Spherical lenses

Image quality

Integral imaging

3D image reconstruction

3D image processing

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