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    Title: Tunable band gap in a photonic crystal modulated by a nematic liquid crystal
    Authors: Liu, Chen-Yang;Chen, Lien-wen
    Contributors: 淡江大學機械與機電工程學系
    Date: 2005-07
    Issue Date: 2013-07-09 15:31:20 (UTC+8)
    Publisher: College Park: American Physical Society
    Abstract: Photonic crystals (PCs) have many potential applications because of their ability to control light-wave propagation. We have investigated the tunable band gap in a photonic crystal modulated by a nematic liquid crystal. Numerical simulations show that the band gaps can be continuously tuned in two-dimensional square and triangular lattices of cylinders by infiltrating nematic liquid crystals. Then we can control the band gap in a PC structure. We also analyzed the gap maps of tunable band gap by considering various indices modulation of liquid crystals. These results can be used as tunable field-sensitive polarizer in photonic integrated circuits.
    Relation: Physical Review B (Condensed Matter and Materials Physics) 72(4), 045133(5pages)
    DOI: 10.1103/PhysRevB.72.045133
    Appears in Collections:[機械與機電工程學系暨研究所] 期刊論文

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