Global control of colored moiré pattern in layered optical structures
Global control of colored moiré pattern in layered optical structures
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DOI:
10.1016/j.optcom.2018.01.013
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发表时间:
2018-05
影响因子:
2.4
通讯作者:
Kunyang Li;Yangui Zhou;Di-fu Pan;Xueyan Ma;Hongqin Ma;Haowen Liang;Jianying Zhou
中科院分区:
文献类型:
--
作者:
Kunyang Li;Yangui Zhou;Di-fu Pan;Xueyan Ma;Hongqin Ma;Haowen Liang;Jianying Zhou
Accurate description of visual effect of colored moiré pattern caused by layered optical structures consisting of gratings and Fresnel lens is proposed in this work. The colored moiré arising from the periodic and quasi-periodic structures is numerically simulated and experimentally verified. It is found that the visibility of moiré pattern generated by refractive optical elements is related to not only the spatial structures of gratings but also the viewing angles. To effectively control the moiré visibility, two constituting gratings are slightly separated. Such scheme is proved to be effective to globally eliminate moiré pattern for displays containing refractive optical films with quasi-periodic structures.