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Complex spatial light modulation capability of a dual layer in-plane switching liquid crystal panelopen access

Authors
Jang, Seong-WooChoi, WonwooKim, SoobinLee, JonghyunNa, SehwanHam, SangwonPark, JuseongKang, HoonJu, Byeong-KwonKim, Hwi
Issue Date
18-May-2022
Publisher
NATURE PORTFOLIO
Citation
SCIENTIFIC REPORTS, v.12, no.1
Indexed
SCIE
SCOPUS
Journal Title
SCIENTIFIC REPORTS
Volume
12
Number
1
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/142254
DOI
10.1038/s41598-022-12292-4
ISSN
2045-2322
Abstract
Complex spatial light modulator (SLM), which can simultaneously control the amplitude and phase of light waves, is a key technology for wide-range of wave-optic technologies including holographic three-dimensional displays. This paper presents a flat panel complex spatial light modulator that consists of dual in-plane switching liquid crystal panels with double-degrees of freedom of voltage inputs. The proposed architecture features single-pixel level complex light modulation enabling complex light modulation in entire free space, which is most contrast to conventional macro-pixel based complex modulation techniques. Its complex light modulation capability is verified with theoretical simulation and experimental characterization, and a three-dimensional holographic image reconstruction without conjugate noise. It is believed that the proposed flat panel complex SLM can be an essential device for a wide range of advanced wave optic technologies.
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