TY - GEN
T1 - Subwavelength metallic gratings as an integrated device
T2 - Optical Components and Materials VIII
AU - Nguyen-Huu, Nghia
AU - Lo, Yu-Lung
AU - Chen, Yu Bin
AU - Yang, Tsai Yu
PY - 2011/5/2
Y1 - 2011/5/2
N2 - Subwavelength metallic gratings were proposed as integrated polarized-RGB (red, green, and blue) color filters here and their performance was further numerically optimized with the rigorous coupled-wave analysis (RCWA) method and the genetic algorithm (GA). Grating types include the single-layer type and the double-layer one while parameters to be optimized are the period, filling factor, and thickness of each layer. The ideal performance is defined both by the large extinction ratio over the visible range and by the high transmittance aiming at wavelengths of 700 nm (R), 546.1 nm (G), and 435.8 nm (B). Results showed that a double-layer grating achieves about 50% transmission efficiency and a large extinction ratio (60dB), which are better than those in previous studies. If the proposed design can integrate with popular liquid crystal display panels, a promising way can be paved to reduce the volume and cost of display electronics.
AB - Subwavelength metallic gratings were proposed as integrated polarized-RGB (red, green, and blue) color filters here and their performance was further numerically optimized with the rigorous coupled-wave analysis (RCWA) method and the genetic algorithm (GA). Grating types include the single-layer type and the double-layer one while parameters to be optimized are the period, filling factor, and thickness of each layer. The ideal performance is defined both by the large extinction ratio over the visible range and by the high transmittance aiming at wavelengths of 700 nm (R), 546.1 nm (G), and 435.8 nm (B). Results showed that a double-layer grating achieves about 50% transmission efficiency and a large extinction ratio (60dB), which are better than those in previous studies. If the proposed design can integrate with popular liquid crystal display panels, a promising way can be paved to reduce the volume and cost of display electronics.
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U2 - 10.1117/12.871600
DO - 10.1117/12.871600
M3 - Conference contribution
AN - SCOPUS:79955451246
SN - 9780819484710
T3 - Proceedings of SPIE - The International Society for Optical Engineering
BT - Optical Components and Materials VIII
Y2 - 25 January 2011 through 26 January 2011
ER -