Aluminum plasmonic multicolor meta-Hologram

Yao Wei Huang, Wei Ting Chen, Wei Yi Tsai, Pin Chieh Wu, Chih Ming Wang, Greg Sun, Din Ping Tsai

研究成果: Article

302 引文 斯高帕斯(Scopus)

摘要

We report a phase-modulated multicolor meta-hologram (MCMH) that is polarization-dependent and capable of producing images in three primary colors. The MCMH structure is made of aluminum nanorods that are arranged in a two-dimensional array of pixels with surface plasmon resonances in red, green, and blue. The aluminum nanorod array is patterned on a 30 nm thick SiO2 spacer layer sputtered on top of a 130 nm thick aluminum mirror. With proper design of the structure, we obtain resonances of narrow bandwidths to allow for implementation of the multicolor scheme. Taking into account of the wavelength dependence of the diffraction angle, we can project images to specific locations with predetermined size and order. With tuning of aluminum nanorod size, we demonstrate that the image color can be continuously varied across the visible spectrum.

原文English
頁(從 - 到)3122-3127
頁數6
期刊Nano letters
15
發行號5
DOIs
出版狀態Published - 2015 五月 13

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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    Huang, Y. W., Chen, W. T., Tsai, W. Y., Wu, P. C., Wang, C. M., Sun, G., & Tsai, D. P. (2015). Aluminum plasmonic multicolor meta-Hologram. Nano letters, 15(5), 3122-3127. https://doi.org/10.1021/acs.nanolett.5b00184