Reducing the crosstalk effect in phase-only spatial light modulators based on double-phase method

被引：1
|
作者：
Zhang, Junyi [1 ]
Li, Haifeng [1 ,2 ]
Liu, Xu [1 ]
机构：
[1] Zhejiang Univ, Coll Opt Sci & Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China
[2] Zhejiang Univ, Ningbo Res Inst, Ningbo 315100, Zhejiang, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2020年 / 465卷 / 465期
基金：
中国国家自然科学基金;
关键词：
Holographic display; Double-phase hologram; Crosstalk; Spatial light modulators; HOLOGRAMS; BEAM; PROJECTION; DISPLAY; FIELDS; IMAGE;
D O I：
10.1016/j.optcom.2020.125595
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This study proposes a method for reducing the crosstalk effect in phase-only spatial light modulators (SLMs) for double-phase holograms (DPHs). New encoding equations for DPHs are deduced according to the crosstalk model of the SLM. The crosstalk effect of the SLM is obtained via measurement of the diffraction efficiency of binary phase gratings as opposed to measurement of the point spread function. The results of experiments indicate that this method can significantly improve the image quality of DPHs in the optical reconstruction.
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页数：7
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