TY - JOUR
T1 - Quantitative characterization of holographic displays based on liquid-crystal-on-silicon spatial light modulator
AU - Song, Hong Joo
AU - Lee, Jeongno
AU - Han, Chul Jong
AU - Park, Kyoungwon
AU - Lee, Yong Hyun
AU - Song, Nam Chol
AU - Park, Jung Ho
N1 - Funding Information:
This work was supported by the Ministry of Trade, Industry & Energy (MOTIE), Korea, under the Industrial Technology Innovation Program (grant number 20000844: Microdisplay Technology Development of 6000 ppi Light Phase Modulation Method for Multifocus).
Funding Information:
This work was supported by the Ministry of Trade, Industry & Energy (MOTIE), Korea , under the Industrial Technology Innovation Program (grant number 20000844 : Microdisplay Technology Development of 6000 ppi Light Phase Modulation Method for Multifocus).
Publisher Copyright:
© 2020 Korean Physical Society
Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2020/10
Y1 - 2020/10
N2 - This report discusses the effect of speckle size on the quality of holographic images based on a liquid-crystal-on-silicon (LCoS) spatial light modulator (SLM). Further, it proposes methods of quantifying the average speckle size and holographic image resolution. These methods enable both characteristics to be compared using the same unit (the number of pixels in the holographic image), providing an intuitive and effective comparative analysis method. In particular, by varying the LCoS resolution ratio, the change in the resolvable minimum pixels of the holographic image is interpreted in conjunction with the average speckle size; moreover, an analysis of the correlation between the latter two is presented. This approach, based on LCoS resolution division, could provide useful insights into single-SLM-based, full-color holographic displays using space division. Furthermore, it could be extended to other components, including more advanced LCoS SLMs, and used to identify the relative effects on image quality with speckles.
AB - This report discusses the effect of speckle size on the quality of holographic images based on a liquid-crystal-on-silicon (LCoS) spatial light modulator (SLM). Further, it proposes methods of quantifying the average speckle size and holographic image resolution. These methods enable both characteristics to be compared using the same unit (the number of pixels in the holographic image), providing an intuitive and effective comparative analysis method. In particular, by varying the LCoS resolution ratio, the change in the resolvable minimum pixels of the holographic image is interpreted in conjunction with the average speckle size; moreover, an analysis of the correlation between the latter two is presented. This approach, based on LCoS resolution division, could provide useful insights into single-SLM-based, full-color holographic displays using space division. Furthermore, it could be extended to other components, including more advanced LCoS SLMs, and used to identify the relative effects on image quality with speckles.
KW - Holography
KW - Image quality
KW - Liquid crystal on silicon (LCoS)
KW - Quantification
KW - Resolution
KW - Speckle size
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U2 - 10.1016/j.cap.2020.07.014
DO - 10.1016/j.cap.2020.07.014
M3 - Article
AN - SCOPUS:85089561209
VL - 20
SP - 1136
EP - 1144
JO - Current Applied Physics
JF - Current Applied Physics
SN - 1567-1739
IS - 10
ER -