Mr. Qianwen Xu Profile

Qianwen Xu

at Chongqing Univ of Posts and Telecommunications

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Author

Publications (2)

Proceedings Article | 24 November 2021 Paper

Banknotes anti-counterfeiting system based on THz-TDS confocal imaging

Yong Ma, Yi Liu, Jincheng He, Longliang Yang, Lihao Yang, Wu Pan, Zhen Zhang, Huan Yang, Xingye Zhou, Shixiong Liang, Zhihong Feng, Jiacheng Liu, Yuhang Han, Qianwen Xu

Proceedings Volume 12061, 120611H (2021) https://doi.org/10.1117/12.2606730

KEYWORDS: Imaging systems, Confocal microscopy, Image resolution, Terahertz radiation, Metals, Millimeter wave imaging, Signal to noise ratio, Spatial resolution, Digital watermarking, Telecommunications

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Proceedings Article | 24 November 2021 Paper

A dual-polarization mode terahertz modulator based on metamaterial and HEMT structures

Longliang Yang, Yong Ma, Wu Pan, Zhen Zhang, Jincheng He, Yi Liu, Huan Yang, Xingye Zhou, Jiacheng Liu, Yuhang Han, Qianwen Xu

Proceedings Volume 12061, 120611E (2021) https://doi.org/10.1117/12.2606697

KEYWORDS: Terahertz radiation, Modulators, Metamaterials, Field effect transistors, Modulation, Dielectric polarization, Telecommunications, Polarization, Structural design, Wireless communications

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