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Proceedings Paper

High collimated coherent illumination for reconstruction of digitally calculated holograms: design and experimental realization
Author(s): Alexander Morozov; German Dubinin; Sergey Dubynin; Igor Yanusik; Sun Il Kim; Chil-Sung Choi; Hoon Song; Hong-Seok Lee; Andrey Putilin; Sergey Kopenkin; Yuriy Borodin
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Paper Abstract

Future commercialization of glasses-free holographic real 3D displays requires not only appropriate image quality but also slim design of backlight unit and whole display device to match market needs. While a lot of research aimed to solve computational issues of forming Computer Generated Holograms for 3D Holographic displays, less focus on development of backlight units suitable for 3D holographic display applications with form-factor of conventional 2D display systems. Thereby, we report coherent backlight unit for 3D holographic display with thickness comparable to commercially available 2D displays (cell phones, tablets, laptops, etc.). Coherent backlight unit forms uniform, high-collimated and effective illumination of spatial light modulator. Realization of such backlight unit is possible due to holographic optical elements, based on volume gratings, constructing coherent collimated beam to illuminate display plane. Design, recording and measurement of 5.5 inch coherent backlight unit based on two holographic optical elements are presented in this paper.

Paper Details

Date Published: 26 June 2017
PDF: 10 pages
Proc. SPIE 10335, Digital Optical Technologies 2017, 103350J (26 June 2017); doi: 10.1117/12.2270181
Show Author Affiliations
Alexander Morozov, SAMSUNG R&D Institute Rus. (Russian Federation)
German Dubinin, SAMSUNG R&D Institute Rus. (Russian Federation)
Sergey Dubynin, SAMSUNG R&D Institute Rus. (Russian Federation)
Igor Yanusik, SAMSUNG R&D Institute Rus. (Russian Federation)
Sun Il Kim, Samsung Advanced Institute of Technology (Korea, Republic of)
Chil-Sung Choi, Samsung Advanced Institute of Technology (Korea, Republic of)
Hoon Song, Samsung Advanced Institute of Technology (Korea, Republic of)
Hong-Seok Lee, Samsung Advanced Institute of Technology (Korea, Republic of)
Andrey Putilin, P.N. Lebedev Physical Institute (Russian Federation)
Sergey Kopenkin, Moscow State Technical Univ. of RadioTechnics, Electronics and Automatics (Russian Federation)
Yuriy Borodin, Moscow State Technical Univ. of RadioTechnics, Electronics and Automatics (Russian Federation)


Published in SPIE Proceedings Vol. 10335:
Digital Optical Technologies 2017
Bernard C. Kress; Peter Schelkens, Editor(s)

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