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Plasmonic color tuning

机译：等离子颜色调整

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摘要

In general, color filter is an optical component to permit the transmission of a specific color in cameras, displays, and microscopes. Each filter has its own unchangeable color because it is made by chemical materials such as dyes and pigments. Therefore, in order to express various colorful images in a display, one pixel should have three sub-pixels of red, green, and blue colors. Here, we suggest new plasmonic structure and method to change the color in a single pixel. It is comprised of a cavity and a metal nanoaperture. The optical cavity generally supports standing waves inside it, and various standing waves having different wavelength can be confined together in one cavity. On the other hand, although light cannot transmit sub-wavelength sized aperture, surface plasmons can propagate through the metal nanoaperture with high intensity due to the extraordinary transmission. If we combine the two structures, we can organize the spatial distribution of amplitudes according to wavelength of various standing waves using the cavity, and we can extract a light with specific wavelength and amplitude using the nanoaperture. Therefore, this cavity-aperture structure can simultaneously tune the color and intensity of the transmitted light through the single nanoaperture. We expect that the cavity-apertures have a potential for dynamic color pixels, micro-imaging system, and multiplexed sensors.
机译：通常，滤色镜是一种光学组件，可以在照相机，显示器和显微镜中透射特定的颜色。每个滤镜都有自己不变的颜色，因为它是由化学材料制成的，例如染料和颜料。因此，为了在显示器中表现出各种彩色图像，一个像素应具有红色，绿色和蓝色的三个子像素。在这里，我们提出了新的等离子体结构和方法来改变单个像素中的颜色。它由空腔和金属纳米孔组成。光学腔通常在其内部支撑驻波，并且可以将具有不同波长的各种驻波限制在一个腔中。另一方面，尽管光不能透射亚波长尺寸的孔，但是由于非凡的透射，表面等离子体激元可以以高强度传播通过金属纳米孔。如果将这两种结构结合起来，我们可以使用空腔根据各种驻波的波长来组织振幅的空间分布，并且可以使用纳米孔径提取具有特定波长和振幅的光。因此，这种腔孔结构可以同时调节通过单个纳米孔的透射光的颜色和强度。我们期望腔孔具有用于动态彩色像素，微成像系统和多路复用传感器的潜力。

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  • 来源
    《Emerging liquid crystal technologies XI》|2016年|976904.1-976904.6|共6页
  • 会议地点 San Francisco CA(US)
  • 作者

    Byoungho Lee; Hansik Yun; Seung-Yeol Lee; Hwi Kim;

  • 作者单位

    National Creative Research Center for Active Plasmonics Application Systems Inter-University Semiconductor Research Center and School of Electrical Engineering Seoul National University, Gwanak-Gu Gwanakro 1, Seoul 08826, South Korea;

    National Creative Research Center for Active Plasmonics Application Systems Inter-University Semiconductor Research Center and School of Electrical Engineering Seoul National University, Gwanak-Gu Gwanakro 1, Seoul 08826, South Korea;

    National Creative Research Center for Active Plasmonics Application Systems Inter-University Semiconductor Research Center and School of Electrical Engineering Seoul National University, Gwanak-Gu Gwanakro 1, Seoul 08826, South Korea;

    Department of Electronics and Information Engineering, College of Science and Technology, Korea University, 2511 Sejong-ro, Sejong 339-700, Korea;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Nanophotonics; surface plasmons; cavity; nanoaperture; color filter; cavity-aperture;

    机译：纳米光子学表面等离激元腔纳米孔径彩色滤光片腔孔;

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