• Chinese Optics Letters
  • Vol. 20, Issue 2, 021601 (2022)
Jintong Liu, Kun Feng, Yusi Wang, Qingyuan Li, Nan Chen, and Yikun Bu*
Author Affiliations
  • School of Electronic Science and Engineering (National Model Microelectronics College), Xiamen University, Xiamen 361005, China
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    (a) Schematic view of the proposed structure. (b) Optical constants of a-Si (180 nm) under different experimental conditions. (c) Optical constants of a-Si in the design. (d) Optical constants of SiO.
    Fig. 1. (a) Schematic view of the proposed structure. (b) Optical constants of a-Si (180 nm) under different experimental conditions. (c) Optical constants of a-Si in the design. (d) Optical constants of SiO.
    Optical admittance diagrams of the structure without and with the AR layers at 400 nm (first row), 500 nm (second row), and 600 nm (third row). The intersection of the two black dashed lines represents the point (1,0).
    Fig. 2. Optical admittance diagrams of the structure without and with the AR layers at 400 nm (first row), 500 nm (second row), and 600 nm (third row). The intersection of the two black dashed lines represents the point (1,0).
    (a) Calculated (red) and measured (blue) reflection spectra of the proposed device at normal incidence. (b) Calculated spectral reflectance curves with (red line) and without (blue line) the AR layers. (c), (d) Illustration of color coordinates calculated from the reflection spectra in (a) on the CIE 1931 chromaticity diagram.
    Fig. 3. (a) Calculated (red) and measured (blue) reflection spectra of the proposed device at normal incidence. (b) Calculated spectral reflectance curves with (red line) and without (blue line) the AR layers. (c), (d) Illustration of color coordinates calculated from the reflection spectra in (a) on the CIE 1931 chromaticity diagram.
    (a) Absorption spectrum of Ag (black), a-Si (red), and SiO (blue). (b) Absorption spectrum of whole device. (c) Reflection spectra at different incidence angles. (d), (e) Simulated and measured angle-insensitive reflection spectrum. (f) Pictures of the sample observed from different angles.
    Fig. 4. (a) Absorption spectrum of Ag (black), a-Si (red), and SiO (blue). (b) Absorption spectrum of whole device. (c) Reflection spectra at different incidence angles. (d), (e) Simulated and measured angle-insensitive reflection spectrum. (f) Pictures of the sample observed from different angles.
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    Jintong Liu, Kun Feng, Yusi Wang, Qingyuan Li, Nan Chen, Yikun Bu. High-color-purity, high-brightness and angle-insensitive red structural color[J]. Chinese Optics Letters, 2022, 20(2): 021601
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    Category: Optical Materials
    Received: Jul. 15, 2021
    Accepted: Aug. 17, 2021
    Posted: Aug. 19, 2021
    Published Online: Oct. 11, 2021
    The Author Email: Yikun Bu (buyikun0522@xmu.edu.cn)