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학술지 Viewing Conditions of Multiplexed Holographic Images
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저자
손정영, 김진웅, 문경애, 김재한, Oleksii Chernyshov
발행일
201508
출처
Optics and Lasers in Engineering, v.71, pp.66-73
ISSN
0143-8166
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.optlaseng.2015.03.014
협약과제
14MR8100, 디지털 홀로그래픽 테이블탑형 단말 기술 개발, 김진웅
초록
The time and spatial multiplexing which are frequently employed in holographic displays based on display chips of the same characteristics, to increase reconstructed image size and resolution can hardly improve the viewing condition such as viewing zone and viewing angles more than what a chip can offer. This is demonstrated optically and experimentally with the holographic displays built with an array of 2×10 DMDs which is formed both by time and spatial multiplexing. It is considered that the viewing condition of the spatial multiplexing is somewhat worse than that obtained by time multiplexing because the reconstructed image size of each chip cannot be smaller than the hologram size. Furthermore, the spatially multiplexed image can be noisier than that obtained from time multiplexing but it shows better light efficiency. Added on this, it does not introduce a distortion in the image as in the time multiplexing.
키워드
Computer holography, Digital holography, Holographic display, Multiplex holography
KSP 제안 키워드
Computer holography, Light efficiency, Multiplex holography, Time multiplexing, Viewing condition, digital holography, holographic display, image size, reconstructed image, spatial multiplexing(SMX)