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Improvement of the performance of the twisted-nematic liquid-crystal display as a phase modulator
Ma, Baiheng1,2; Yao, Baoli1; Li, Ze1,2; Ye, Tong1
作者部门瞬态光学国家重点实验室
2011-06-10
发表期刊APPLIED OPTICS
ISSN0003-6935
卷号50期号:17页码:2588-2593
摘要A twisted-nematic liquid-crystal display (TN-LCD) placed between two linear polarizers (P) generally produces coupled intensity and phase modulations. For the purpose of phase-only modulation, quarter-wave plates (QWPs) are often used in front of or behind the LCD. In this paper, we demonstrate theoretically and experimentally the QWPs' effect on the modulation properties of the TN-LCD based on the general Jones matrix descriptions for all the devices, which circumvents the inconvenience of the traditional method on the basis of the TN-LCD's internal parameters. We prove that the phase modulation depth of the TN-LCD can be further increased in the configuration of P-1-QWP(1)-LCD-QWP(2)-P-2 with each component properly oriented, provided that the mean intensity transmission is decreased to a lower level. By observing the diffracted patterns of the Ronchi phase grating or blazed grating addressed onto the TN-LCD, we verify the validity of the proposed method. Improved reconstructed image quality from the kinoform loaded on the TN-LCD is obtained in this configuration. This approach is valuable when the TN-LCD is employed as a phase modulator, especially for the modern, thinner TN-LCD. (C) 2011 Optical Society of America
文章类型Article
关键词Spatial Light Modulators Jones Matrix-method Only Modulation Polarization States Television Devices
WOS标题词Science & Technology ; Physical Sciences
DOI10.1364/AO.50.002588
URL查看原文
收录类别SCI ; EI
关键词[WOS]SPATIAL LIGHT MODULATORS ; JONES MATRIX-METHOD ; ONLY MODULATION ; POLARIZATION STATES ; TELEVISION ; DEVICES
语种英语
WOS研究方向Optics
WOS类目Optics
WOS记录号WOS:000291872800012
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/19724
专题瞬态光学研究室
作者单位1.Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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Ma, Baiheng,Yao, Baoli,Li, Ze,et al. Improvement of the performance of the twisted-nematic liquid-crystal display as a phase modulator[J]. APPLIED OPTICS,2011,50(17):2588-2593.
APA Ma, Baiheng,Yao, Baoli,Li, Ze,&Ye, Tong.(2011).Improvement of the performance of the twisted-nematic liquid-crystal display as a phase modulator.APPLIED OPTICS,50(17),2588-2593.
MLA Ma, Baiheng,et al."Improvement of the performance of the twisted-nematic liquid-crystal display as a phase modulator".APPLIED OPTICS 50.17(2011):2588-2593.
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