Fourier RGB synthetic aperture color holographic capture for wide angle holographic display

Anna Gołoś; Weronika Zaperty; Grzegorz Finke; Piotr Makowski; Tomasz Kozacki

doi:10.1117/12.2237317

14 September 2016 Fourier RGB synthetic aperture color holographic capture for wide angle holographic display

Anna Gołoś, Weronika Zaperty, Grzegorz Finke, Piotr Makowski, Tomasz Kozacki

Proceedings Volume 9970, Optics and Photonics for Information Processing X; 99701E (2016) https://doi.org/10.1117/12.2237317
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

In this work we present a high pixel count color holographic registration system that is designed to provide 3D holographic content of real-world large objects. Captured data is dedicated for holographic displays with a wide-viewing angle. The registration in color is realized by means of sequential recording with the use of three RGB laser light sources. The applied Fourier configuration of capture system gives large viewing angle and an optimal coverage of the detector resolution. Moreover, it enables to filter out zero order and twin image. In this work the captured Fourier holograms are transformed to general Fresnel type that is more suitable for 3D holographic displays. High resolution and large pixel count of holographic data and its spatial continuity is achieved through synthetic aperture concept with camera scanning and subpixel correlation based stitching. This grants an access to many tools of numerical hologram processing e.g. continuous viewing angle adjustment, and control of 3D image position and size. In this paper the properties of 1D synthetic aperture (60000 x 2500 pixels) are investigated. Each of the RGB 1D SA holograms is composed of 71 frames, which after stitching result in approx. 150 Megapixel hologram pixel count and 12° angular field of view. In experimental part high quality numerical reconstructions for each type of the hologram are shown. Moreover, the captured holograms are used for generation of hybrid hologram that is assembled from a set of RGB holograms of different color statues of height below 20 cm. In the final experiment this hybrid hologram as well as RGB hologram of a single object are reconstructed in the color holographic display.

Citation Download Citation

Anna Gołoś, Weronika Zaperty, Grzegorz Finke, Piotr Makowski, and Tomasz Kozacki "Fourier RGB synthetic aperture color holographic capture for wide angle holographic display", Proc. SPIE 9970, Optics and Photonics for Information Processing X, 99701E (14 September 2016); https://doi.org/10.1117/12.2237317

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