Laser & Optoelectronics Progress, Volume. 58, Issue 9, 0905002(2021)
Plasmonic Color Filter Based on Rectangular Metal Block Array Structure
Fig. 1. Color filter based on rectangular metal block array structure, and its dispersion relationship and transmission spectra. (a) Three-dimensional structural diagram; (b) dispersion curve of TM/TE waveguide mode for asymmetric waveguide film composed of MgF2, Si3N4, and air; (c) transmission spectra for conditions: Px=300 nm, Py=400 nm; Px=400 nm, Py=500 nm; Px=500 nm, Py=350 nm
Fig. 2. Effects of color filter structural parameters H1, H2, H3, fx, and fy on transmission spectra for TM polarization state, Px=400 nm, and Py=300 nm. (a) H1 is 60‒140 nm; (b) H2 is 0‒50 nm; (c) H3 is 20‒60 nm; (d) when fy=0.7, fx is 0.5‒0.9; (e) when fx=0.7, fy is 0.5‒0.9
Fig. 3. Influence of
Fig. 4. Influence of
Fig. 5. Influence of Py on transmission spectrum and its chromaticity coordinate diagram of color filter when Px and φ are fixed. (a) Transmission spectra for Px=300 nm and φ=0° when Py is 300‒600 nm; (b) CIE1931 chromaticity diagram corresponding to Fig. 5(a); (c) transmission spectra for Px=500 nm and φ=0° when Py is 300‒600 nm; (d) CIE1931 chromaticity diagram corresponding to Fig. 5(c)
Fig. 6. All-optical control achieved by three different sizes of filters with rectangular metal block array structure. (a) Transmission spectra under different polarization angles (Ⅰ: Px=300 nm, Py=400 nm; Ⅱ: Px=400 nm, Py=500 nm; Ⅲ:Px=500 nm, Py=300 nm); (b) three-dimentional structures of filters with different sizes corresponding to Fig. 6(a); (c) CIE1931 chromaticity diagram corresponding to Fig. 6(a)
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Gongli Xiao, Yuting Yang, Hongyan Yang, Kaifu Zhang, Lizhen Zeng, Haiou Li, Xingpeng Liu, Tao Fu. Plasmonic Color Filter Based on Rectangular Metal Block Array Structure[J]. Laser & Optoelectronics Progress, 2021, 58(9): 0905002
Category: Diffraction and Gratings
Received: Sep. 11, 2020
Accepted: Oct. 21, 2020
Published Online: May. 12, 2021
The Author Email: Yang Hongyan (yhy.gl@126.com)