Research Article

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2019, 12(3): 543–548

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https://doi.org/10.1007/s12274-018-2249-8

Decorative near-infrared transmission filters featuring high-efficiency and angular-insensitivity employing 1D photonic crystals

Chengang Ji1,§, Chenying Yang1,2,§, Weidong Shen2 (*), Kyu-Tae Lee3, Yueguang Zhang2, Xu Liu2, and L. Jay Guo1 (*)

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1 Department of Electrical Engineering and Computer Science, The University of Michigan, Ann Arbor, Michigan 48109, USA
2 State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, China
3 Department of Physics, Inha University, Incheon 22212, Republic of Korea
§ Chengang Ji and Chenying Yang contributed equally to this work.

Keywords: near-infrared (NIR)-transmitting filters, colored decorations, photonic crystals, multilayer structures
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  • Abstract
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We present a new scheme for visibly-opaque but near-infrared-transmitting filters involving 7 layers based on one-dimensional ternary photonic crystals, with capabilities in reaching nearly 100% transmission efficiency in the near-infrared region. Different decorative reflection colors can be created by adding additional three layers while maintaining the near-infrared transmission performance. In addition, our proposed structural colors show great angular insensitivity up to ±60° for both transverse electric and transverse magnetic polarizations, which are highly desired in various fields. The facile strategy described here involves a simple deposition method for the fabrication, thereby having great potential in diverse applications such as image sensors, anti-counterfeit tag, and optical measurement systems.
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Decorative near-infrared transmission filters featuring high-efficiency and angular-insensitivity employing 1D photonic crystals. Nano Res. 2019, 12(3): 543–548 https://doi.org/10.1007/s12274-018-2249-8

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