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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2020-02-19
Terahertz Beam Splitter Based on I-Shaped Metasurface
By
Wu Pan,

    Dr. Wu Pan

    College of Photoelectric Engineering

    Chongqing University of Posts and Telecommunications

    China

    Homepage

Xueyin Wang,

    Dr. Xueyin Wang

    College of Photoelectric Engineering

    Chongqing University of Posts and Telecommunications

    China

    Homepage

Qi Chen,

    Dr. Qi Chen

    College of Photoelectric Engineering

    Chongqing University of Posts and Telecommunications

    China

    Homepage

Xinyu Ren,

    Dr. Xinyu Ren

    College of Photoelectric Engineering

    Chongqing University of Posts and Telecommunications

    China

    Homepage

Yong Ma

    Dr. Yong Ma

    College of Photoelectric Engineering

    Chongqing University of Posts and Telecommunications

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 90, 27-35, 2020
doi:10.2528/PIERM19102804 | Google Scholar

Abstract
A linear polarization beam splitter operating in terahertz band is proposed and experimentally verified in this paper. The unit cell of beam splitter is composed of the top ``I'' type metal pattern, the middle dielectric layer, and the bottom metal layer. Each subarray structure of the device consists of four unit cells that rotate progressively at an angle of 45˚. The horizontal and vertical sub-arrays form the gradient metasurface of 4×4. The incident linear polarized terahertz wave is reflected by the device and divided into four beams with approximately equal power, while having different propagating directions in the 0.18-0.30 THz band. The proposed terahertz beam splitter has the advantages of small size, low cost, and easy processing, and it can be applied to terahertz stealth and terahertz imaging.
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Citation
Wu Pan, Xueyin Wang, Qi Chen, Xinyu Ren, and Yong Ma, "Terahertz Beam Splitter Based on I-Shaped Metasurface," Progress In Electromagnetics Research M, Vol. 90, 27-35, 2020.
doi:10.2528/PIERM19102804
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