基于金属-介质-金属结构的反射式彩色滤光片特性研究

丁秋兰, 周云, 叶燕, 陈林森

丁秋兰, 周云, 叶燕, 陈林森. 基于金属-介质-金属结构的反射式彩色滤光片特性研究[J]. 应用光学, 2012, 33(4): 693-697.
引用本文: 丁秋兰, 周云, 叶燕, 陈林森. 基于金属-介质-金属结构的反射式彩色滤光片特性研究[J]. 应用光学, 2012, 33(4): 693-697.
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DING Qiu-lan, ZHOU Yun, YE Yan, CHEN Lin-sen. Reflection characteristics of metal-dielectric-metal reflective-type color filter[J]. Journal of Applied Optics, 2012, 33(4): 693-697.
Citation: DING Qiu-lan, ZHOU Yun, YE Yan, CHEN Lin-sen. Reflection characteristics of metal-dielectric-metal reflective-type color filter[J]. Journal of Applied Optics, 2012, 33(4): 693-697.
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基于金属-介质-金属结构的反射式彩色滤光片特性研究

  • 苏州大学 信息光学工程研究所,江苏 苏州 215006

详细信息
    通讯作者:

    丁秋兰（1961-），女，江苏苏州人，主要从事微纳米结构加工、亚波长光学器件相关的理论和工艺研究工作。

  • 中图分类号: TN27；O438

Reflection characteristics of metal-dielectric-metal reflective-type color filter

  • Institute of Information Optical Engineering,Soochow University,Suzhou 215006,China

摘要

    摘要
  • 摘要: 研究了金属-介质-金属结构在可见光波段的反射滤光特性。该结构由柔性透明基底、金属层、介质-金属纳米光栅结构组成。利用严格耦合波分析法(RCWA)模拟了TM偏振光入射时，亚波长介质-金属光栅的占宽比、周期和厚度等结构参数对反射光谱特性的影响。理论模拟结果表明：光栅的结构参数变化可改变反射波段，进而调节滤光颜色。在此基础上，进一步优化结构参数，得到了基于减色法的彩色滤光片结构，获得了青色、品红色和黄色三原色。该结构的主要优点是，当入射角在0～45范围内变化时，反射光谱谷值位置和反射带宽基本不变。本文所提出的结构特别适合用于反射式彩色显示。
    Abstract: Reflection filtering characteristics of metal-dielectric-metal (MDM) structure at visible region are investigated theoretically. The structure consists of 3 parts: the flexible transparent substrate, the metal layer and the dielectric-metal grating layer. By using rigorous couple-wave analysis (RCWA), the reflection characteristics of transverse magnetic (TM) polarized light are analyzed as a function of the duty cycle, the period and the thickness of the dielectric-metal grating. It is found that different colors can be obtained by adjusting the parameters of the structure. Based on the simulation results and the cyan-magentayellow (CMY) color scheme, a high-performance color filter is proposed by optimizing the structural parameters and the 3 prime colors including cyan, magenta and yellow are obtained. The reflection valley and the bandwidths remain almost unchanged over a wide incident angle range of 0～45. The proposed color filter is suitable for filtering used in reflective-type color displays.
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    • 参考文献(1)
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  • 刊出日期:  2012-07-14

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